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Jewish ethnic divisions
Jewish ethnic divisions
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Jewish ethnic divisions refer to many distinctive communities within the world's Jewish population. Although "Jewish" is considered an ethnicity itself, there are distinct ethnic subdivisions among Jews, most of which are primarily the result of geographic branching from an originating Israelite population, mixing with local communities, and subsequent independent evolutions.[1][2]

During the millennia of the Jewish diaspora, the communities would develop under the influence of their local environments; political, cultural, natural and demographic. Today, the manifestation of these differences among the Jews can be observed in Jewish cultural expressions of each community, including Jewish linguistic diversity, culinary preferences, liturgical practices, religious interpretations, and degrees and sources of genetic admixture.[2][3]

Historical background

[edit]

Ancient Israel and Judah

[edit]

The full extent of the cultural, linguistic, religious or other differences among the Israelites in antiquity is unknown. Following the defeat of the Kingdom of Israel in the 720s BCE and the Kingdom of Judah in 586 BCE, the Jewish people became dispersed throughout much of the Middle East and Africa, especially in Egypt and North Africa to the west, as well as in Yemen to the south, and in Mesopotamia to the east. The Jewish population in ancient Israel was severely reduced by the Jewish–Roman wars and by the later hostile policies of the Christian emperors[4] against non-Christians, but the Jews always retained a presence in the Levant. Paul Johnson writes of this time: "Wherever towns survived, or urban communities sprang up, Jews would sooner or later establish themselves. The near-destruction of Palestinian Jewry in the second century turned the survivors of Jewish rural communities into marginal town-dwellers. After the Arab conquest in the seventh century, the large Jewish agricultural communities in Babylonia were progressively wrecked by high taxation, so that there too the Jews drifted into towns and became craftsmen, tradesmen, and dealers. Everywhere these urban Jews, the vast majority literate and numerate, managed to settle, unless penal laws or physical violence made it impossible."[5]

Jewish ethnic/cultural divisions map

Jewish communities continued to exist in Palestine in relatively small numbers: during the early Byzantine 6th century there were 43 communities; during the Islamic period and the intervening Crusades there were 50 (including Jerusalem, Tiberias, Ramleh, Ashkelon, Caesarea, and Gaza); and during the early Ottoman 14th century there were 30 (including Haifa, Shechem, Hebron, Ramleh, Jaffa, Gaza, Jerusalem, and Safed). The majority of the Jewish population during the High Middle Ages lived in Iberia (what is now Spain and Portugal) and in the region of Mesopotamia and Persia (what is now Iraq and Iran), the former known as the Sefardim and the latter known as the Mizrahim. A substantial population existed also in central Europe, the so-called Ashkenazim.[6] Following the expulsion of Sephardim from Iberia during the 15th century, a mass migration into the Ottoman Empire swelled the size of many eastern communities including those in Palestine; the town of Safed reached 30,000 Jews by end of the 16th century. The 16th century saw many Ashkenazi Kabbalists drawn to the mystical aura and teachings of the Jewish holy city. Johnson notes that in the Arab-Muslim territories, which included most of Spain, all of North Africa, and the Near East south of Anatolia in the Middle Ages, the Jewish condition was easier as a rule, than it was in Europe.[7]

Over the centuries following the Crusades and Inquisition, Jews from around the world began emigrating in increasing numbers. Upon arrival, these Jews adopted the customs of the Mizrahi and Sephardi communities into which they moved.[citation needed]

Diaspora

[edit]
Painting of a Jewish man from the Ottoman Empire, 1779

Following the failure of the second revolt against the Romans and the exile, Jewish communities could be found in nearly every notable center throughout the Roman Empire, as well as scattered communities found in centers beyond the Empire's borders in northern Europe, in eastern Europe, in southwestern Asia, and in Africa. Farther to the east along trade routes, Jewish communities could be found throughout Persia and in empires even farther east including in India and China. In the Early Middle Ages of the 6th to 11th centuries, the Radhanites traded along the overland routes between Europe and Asia earlier established by the Romans, dominated trade between the Christian and the Islamic worlds, and used a trade network that covered most areas of Jewish settlement.[citation needed]

In the middle Byzantine period, the khan of Khazaria in the northern Caucasus and his court converted to Judaism, partly in order to maintain neutrality between Christian Byzantium and the Islamic world. This event forms the framework for Yehuda Halevi's work The Kuzari (c.1140), but how much the traces of Judaism within this group survived the collapse of the Khazar empire is a matter of scholarly debate. Arthur Koestler, in his book The Thirteenth Tribe (1976), and more recently Shlomo Sand in his book The Invention of the Jewish People (2008) theorized that East-European Jews are more ethnically Khazar than they are Semitic.[8][9][10][11][12][13][14][15][16][17][18] Genetic studies have not supported this theory.[19][20][21][22][23][24][25][26][27][28][29][30][31][32][33][34]

In western Europe, following the collapse of the Western Roman Empire in 476, and especially after the re-orientation of trade caused by the Moorish conquest of Iberia in the early 8th century, communications between the Jewish communities in northern parts of the former western empire became sporadic. At the same time, rule under Islam, even with dhimmi status, resulted in freer trade and communications within the Muslim world, and the communities in Iberia remained in frequent contact with Jewry in North Africa and the Middle East, but communities further afield, in central and south Asia and central Africa, remained more isolated, and continued to develop their own unique traditions. For the Sephardim in Spain, it resulted in a "Hebrew Golden Age" in the 10th to 12th centuries.[35] The 1492 expulsion from Spain by the Catholic Monarchs however, made the Sephardic Jews hide and disperse to France, Italy, England, the Netherlands, Scandinavia, parts of what is now northwestern Germany, and to other existing communities in Christian Europe, as well as to those within the Ottoman Empire, to the Maghreb in North Africa and smaller numbers to other areas of the Middle East, and eventually to the Americas in the early 17th century.

In northern and Christian Europe during this period, financial competition developed between the authority of the Pope in Rome and nascent states and empires. In western Europe, the conditions for Jewry differed between the communities within the various countries and over time, depending on background conditions. With both pull and push factors operating, Ashkenazi emigration to the Americas would increase in the early 18th century with German-speaking Ashkenazi Jews, and end with a tidal wave between 1880 and the early 20th century with Yiddish-speaking Ashkenazim, as conditions in the east deteriorated under the failing Russian Empire. After the Holocaust, which resulted in the murder of more than 6 million Jews living in Europe, North America became the place where the majority of Jews live.[36]

Modern divisions

[edit]
Jewish women in Algeria, 1851

Historically, European Jews have been classified as belonging to two major groups: the Ashkenazim, or "Germanics" (Ashkenaz meaning "Germany" in Medieval Hebrew), denoting their Central European base, and the Sephardim, or "Spaniards" (Sefarad meaning "Hispania" or "Iberia" in Hebrew), denoting their Spanish and Portuguese base. A third historic term Mizrahim, or "Easterners" (Mizrach being "east" in Hebrew) has been used to describe other non-European Jewish communities which have bases which are located further to the east, but its usage has changed both over time and relative to the location where it was used. One definition is the Jews who never left the Middle East, in contrast to the Sephardim who went west to Spain, Portugal, and North Africa. A similar three-part distinction in the Jewish community of 16th-century Venice is noted by Johnson as being "divided into three nations, the Penentines from Spain, the Levantines who were Turkish subjects, and the Natione Tedesca or Jews of German origin..."[37] The far more recent meaning of the term, to include both Middle Eastern and North African Jews in a single term, developed within Zionism in the mid-1940s, when Jews from these countries were all combined in one category as the target of an immigration plan. According to some sources, the current sense of the term as the name of an ethnic group distinct from European-born Jews was invented at this time.[38] The term constitutes a third major layer to some, and following the partition of Mandatory Palestine and Israeli independence, the Mizrahim's often-forced migration, led to their establishment of communities in the newly constructed Israel.

The divisions between these major groups are rough and their boundaries are not solid. The Mizrahim for example, are a heterogeneous collection of Jewish communities which are often as unrelated to each other as they are to any of the earlier mentioned Jewish groups. In traditional religious usage and sometimes in modern usage, however, Mizrahim overlap with termed Sephardi due to factors including the similar styles of liturgy, despite independent evolutions from Sephardim proper.[39][2] Thus, among such Mizrahim there are Iranian Jews, Iraqi Jews, Egyptian Jews, Sudanese Jews, Tunisian Jews, Algerian Jews, Moroccan Jews, Lebanese Jews, Libyan Jews, Syrian Jews, Bukharan Jews, Georgian Jews, Kurdish Jews, Afghan Jews, and Mountain Jews. Other Asian groups that evolved separately from Sephardim such as Indian Jews including the Malabar Yehuddim (Cochin Jews), Bene Israel, Bnei Menashe and Bene Ephraim, and Chinese Jews, most notably the Kaifeng Jews.

The Suleiman ben Pinchas Cohen family of Yemen, circa 1944

Yemenite Jews ("Teimanim") from Yemen are sometimes included, although their style of liturgy is unique compared to other Mizrahim. Additionally, there is a difference between the pre-existing Middle Eastern and North African Jewish communities as distinct from the descendants of those Sephardi migrants who established themselves in the Middle East and North Africa after the expulsion of the Jews from Spain by the Catholic Monarchs in 1492, and in 1497 from the expulsion decreed in Portugal.[39]

Distinct smaller Jewish groups include the Italian rite Jews (i.e. only descendants of ancient Italian Jewish community without later migrants to Italy); the Romaniotes of Greece; various African Jews, including most numerously the Beta Israel of Ethiopia; as well as various other distinct but now extinct communities.[citation needed]

Despite this diversity, Ashkenazi Jews represent the bulk of modern Jewry, estimated at between 70% and 80% of all Jews worldwide;[40] prior to World War II and the Holocaust however, it was 90%.[40] Ashkenazim developed in Europe, but underwent massive emigration in search of better opportunities and during periods of civil strife and warfare. As a result of this, they became the overwhelming majority of Jews in the New World continents and countries, which previously were without native European or Jewish populations. These include the United States, Mexico, Canada, Argentina, and Brazil, but with Venezuela and Panama being exceptions since Sephardim still compose the majority of the Jewish communities in these two countries. In France, more recent Sephardi Jewish immigrants from North Africa and their descendants now outnumber the pre-existing Ashkenazim.[41][42]

Genetic studies

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Despite the evident diversity displayed by the world's distinctive Jewish populations, both culturally and physically, genetic studies have demonstrated most of these to be genetically related to one another, having ultimately originated from a common ancient Israelite population that underwent geographic branching and subsequent independent evolutions.[1]

A study published by the National Academy of Sciences stated that "The results support the hypothesis that the paternal gene pools of Jewish communities from Europe, North Africa, and the Middle East descended from a common Middle Eastern ancestral population, and suggest that most Jewish communities have remained relatively isolated from neighboring non-Jewish communities during and after the Diaspora."[1] Researchers expressed surprise at the remarkable genetic uniformity they found among modern Jews, no matter where the diaspora has become dispersed around the world.[1]

Moreover, DNA tests have demonstrated substantially less inter-marriage in most of the various Jewish ethnic divisions over the last 3,000 years than in other populations.[43] The findings lend support to traditional Jewish accounts accrediting their founding to exiled Israelite populations, and counters theories that many or most of the world's Jewish populations were founded by entirely gentile populations that adopted the Jewish faith, as in the notable case of the historic Khazars.[43][44] Although groups such as the Khazars could have been absorbed into modern Jewish populations – in the Khazars' case, absorbed into the Ashkenazim – it is unlikely that they formed a large percentage of the ancestors of modern Ashkenazi Jews, and much less that they were the genesis of the Ashkenazim.[19]

Previously, the Israelite origin identified in the world's Jewish populations was attributed only to the men who had migrated from the Middle East and then forged the current known communities with "the women from each local population whom they took as wives and converted to Judaism".[45] Research in Ashkenazi Jews has suggested that, in addition to the male founders, significant female founder ancestry might also derive from the Middle East, with about 40% of the current Ashkenazi population descended matrilineally from just four women, or "founder lineages", that were "likely from a Hebrew/Levantine mtDNA pool" originating in the Near East in the 1st and 2nd centuries CE.[45]

Points in which Jewish groups differ are the source and proportion of genetic contribution from host populations.[46][47] For example, the Teimanim differ to a certain extent from other Mizrahim, as well as from Ashkenazim in the proportion of sub-Saharan African gene types which have entered their gene pools.[46] Among Yemenite Jews, the average stands at 5–10%, due to the relative genetic isolation of Yemenite Jews this is only a quarter of the frequency of the non-Jewish Yemenite sample, which can reach 35%.[46] In Ashkenazi Jews, the proportion of male indigenous European genetic admixture amounts to around 0.5% per generation over an estimated 80 generations, and a total admixture estimate around 12.5%.[1] The only exception to this among Jewish communities is in the Beta Israel (Ethiopian Jews); a 1999 genetic study came to the conclusion that "the distinctiveness of the Y-chromosome haplotype distribution of Beta Israel Jews from conventional Jewish populations and their relatively greater similarity in haplotype profile to non-Jewish Ethiopians are consistent with the view that the Beta Israel people descended from ancient inhabitants of Ethiopia who converted to Judaism."[48][49] Another 2001 study did, however, find a possible genetic similarity between 11 Ethiopian Jews and 4 Yemenite Jews from the population samples.[50]

DNA analysis further determined that modern Jews of the priesthood tribe—"Cohanim"—share a common ancestor dating back about 3,000 years.[51] This result is consistent for all Jewish populations around the world.[51] The researchers estimated that the most recent common ancestor of modern Cohanim lived between 1000 BCE (roughly the time of the Biblical Exodus) and 586 BCE, when the Babylonians destroyed the First Temple.[52] They found similar results analyzing DNA from Ashkenazi and Sephardi Jews.[52] The scientists estimated the date of the original priest based on genetic mutations, which indicated that the priest lived roughly 106 generations ago, between 2,650 and 3,180 years ago depending whether one counts a generation as 25 or 30 years.[52]

A study of Ashkenazi mitochondrial DNA by Richards et al. (2013) suggested that, though Ashkenazi paternal lineages were of Middle Eastern origin, the four main female Ashkenazi founders had descent lines that were established in Europe 10,000 to 20,000 years in the past[53] while most of the remaining minor founders also have a deep European ancestry. The majority of Ashkenazi maternal lineages were not brought from the Levant, nor recruited in the Caucasus, but were assimilated within Europe. The study estimated that 80 percent of Ashkenazi maternal ancestry comes from women indigenous to Europe, 8 percent from the Near East, and the remainder undetermined.[53] According to the study these findings 'point to a significant role for the conversion of women in the formation of Ashkenazi communities.' Some geneticists, such as Doron Behar, a geneticist at Gene by Gene in Houston, US, and Karl Skorecki, at the Technion – Israel Institute of Technology in Haifa, are skeptical of these results.[54][55][56][57][58]

A 2014 study by Fernández et al. found that Ashkenazi Jews display a frequency of haplogroup K in their maternal DNA, suggesting an ancient Near Eastern matrilineal origin, similar to the results of the Behar study in 2006. Fernández noted that this observation clearly contradicts the results of the 2013 study led by Richards that suggested a European source for 3 exclusively Ashkenazi K lineages.[59]

A study by Haber et al. (2013) noted that while previous studies of the Levant, which had focused mainly on diaspora Jewish populations, showed that the "Jews form a distinctive cluster in the Middle East", these studies did not make clear "whether the factors driving this structure would also involve other groups in the Levant". The authors found strong evidence that modern Levant populations descend from two major apparent ancestral populations. One set of genetic characteristics which is shared with modern-day Europeans and Central Asians is most prominent in the Levant among "Lebanese, Armenians, Cypriots, Druze and Jews, as well as Turks, Iranians and Caucasian populations". The second set of inherited genetic characteristics is shared with populations in other parts of the Middle East as well as some African populations. Levant populations in this category today include "Palestinians, Jordanians, Syrians, as well as North Africans, Ethiopians, Saudis, and Bedouins". Concerning this second component of ancestry, the authors remark that while it correlates with "the pattern of the Islamic expansion", and that "a pre-Islamic expansion Levant was more genetically similar to Europeans than to Middle Easterners," they also say that "its presence in Lebanese Christians, Sephardi and Ashkenazi Jews, Cypriots and Armenians might suggest that its spread to the Levant could also represent an earlier event". The authors also found a strong correlation between religion and apparent ancestry in the Levant:

"all Jews (Sephardi and Ashkenazi) cluster in one branch; Druze from Mount Lebanon and Druze from Mount Carmel are depicted on a private branch; and Lebanese Christians form a private branch with the Christian populations of Armenia and Cyprus placing the Lebanese Muslims as an outer group. The predominantly Muslim populations of Syrians, Palestinians and Jordanians cluster on branches with other Muslim populations as distant as Morocco and Yemen."[60]

A 2013 study by Doron M. Behar, Mait Metspalu, Yael Baran, Naama M. Kopelman, Bayazit Yunusbayev et al. using integration of genotypes on newly collected largest data set available to date (1,774 samples from 106 Jewish and non-Jewish populations) for assessment of Ashkenazi Jewish genetic origins from the regions of potential Ashkenazi ancestry:(Europe, the Middle East, and the region historically associated with the Khazar Khaganate) concluded that "This most comprehensive study... does not change and in fact reinforces the conclusions of multiple past studies, including ours and those of other groups (Atzmon and others, 2010; Bauchet and others, 2007; Behar and others, 2010; Campbell and others, 2012; Guha and others, 2012; Haber and others; 2013; Henn and others, 2012; Kopelman and others, 2009; Seldin and others, 2006; Tian and others, 2008). We confirm the notion that the Ashkenazi, North African, and Sephardi Jews share substantial genetic ancestry and that they derive it from Middle Eastern and European populations, with no indication of a detectable Khazar contribution to their genetic origins."[citation needed]

The authors also reanalyzed the 2012 study of Eran Elhaik, and found that "The provocative assumption that Armenians and Georgians could serve as appropriate proxies for Khazar descendants is problematic for a number of reasons as the evidence for ancestry among Caucasus populations do not reflect Khazar ancestry". Also, the authors found that "Even if it were allowed that Caucasus affinities could represent Khazar ancestry, the use of the Armenians and Georgians as Khazar proxies is particularly poor, as they represent the southern part of the Caucasus region, while the Khazar Khaganate was centered in the North Caucasus and further to the north. Furthermore, among populations of the Caucasus, Armenians and Georgians are geographically the closest to the Middle East, and are therefore expected a priori to show the greatest genetic similarity to Middle Eastern populations." Concerning the similarity of South Caucasus populations to Middle Eastern groups which was observed at the level of the whole genome in one recent study (Yunusbayev and others, 2012). The authors found that "Any genetic similarity between Ashkenazi Jews and Armenians and Georgians might merely reflect a common shared Middle Eastern ancestry component, actually providing further support to a Middle Eastern origin of Ashkenazi Jews, rather than a hint for a Khazar origin". The authors claimed "If one accepts the premise that similarity to Armenians and Georgians represents Khazar ancestry for Ashkenazi Jews, then by extension one must also claim that Middle Eastern Jews and many Mediterranean European and Middle Eastern populations are also Khazar descendants. This claim is clearly not valid, as the differences among the various Jewish and non-Jewish populations of Mediterranean Europe and the Middle East predate the period of the Khazars by thousands of years".[21][61]

A 2014 study by Carmi et al. published by Nature Communications found that the Ashkenazi Jewish population originates from an approximately even mixture of Middle Eastern and European ancestry. According to the authors, that mixing likely occurred some 600–800 years ago, followed by rapid growth and genetic isolation (rate per generation 16–53%;). The study found that all Ashkenazi Jews descent from around 350 individuals, and that the principal component analysis of common variants in the sequenced AJ samples, confirmed previous observations, namely, the proximity of Ashkenazi Jewish cluster to other Jewish, European and Middle Eastern populations".[62][63]

Geographic distribution

[edit]
Maltese Jews in Valletta, 19th century
Sephardi Jewish family descendants of Spanish expellees in Bosnia, 19th century
An Eastern Ashkenazic family living in the Shtetl of Romanivka, circa 1905
Yemenite Jews in Sa'dah, smoking Nargile.
Ethiopian Jewish women at Jerusalem's Western Wall, 2006
Bukharan Jewish teacher and students in Samarkand, modern-day Uzbekistan, circa 1910
Berber Jews from the Atlas Mountains of Morocco, circa 1900
Chinese Jews from the city of Kaifeng, China, circa 1900
Kurdish Jews in Rawanduz, Iraqi Kurdistan, 1905
Juhur Imuni (Mountain Jews) girls of the Caucasus, 1913
Bnei Menashe Jews from Northeastern India, celebrating Purim, in Karmiel, Israel.

Because of the independence of local communities, Jewish ethnic divisions, even when they circumscribe differences in liturgy, language, cuisine and other cultural accoutrements, are more often a reflection of geographic and historical isolation from other communities. It is for this reason that communities are referred to by referencing the historical region in which the community cohered when discussing their practices, regardless of where those practices are found today.

A Malabar Jewish family in Cochin, India, circa 1900

The smaller groups number in the hundreds to tens of thousands, with the Georgian Jews (also known as Gruzinim or Qartveli Ebraeli) and Beta Israel being most numerous at somewhat over 100,000 each. Many members of these groups have now emigrated from their traditional homelands, largely to Israel. For example, only about 10 percent of the Gruzinim remain in Georgia.[citation needed]

A brief description of the extant communities, by the geographic regions with which they are associated, is as follows:

Europe

[edit]

Ashkenazi Jews (plural Ashkenazim) are the descendants of Jews who migrated into northern France and Germany around 800–1000, and later into Eastern Europe.

Among the Ashkenazim there are a number of major subgroups:

Sephardi Jews (plural Sephardim) are Jews whose ancestors lived in Iberia prior to 1492.

There are multiple subgroups among the Sephardim:

Jewish communities in Europe that are neither Ashkenazic nor Sephardic:

  • Italkim trace their origins as far back as the 2nd century BCE. It is thought that some families descend from Jews deported from Judaea in 70 CE. They have traditionally spoken a variety of Judeo-Italian languages (Italkian) and used Italian Hebrew as a pronunciation system.
  • Romaniotes are a distinct Jewish community that has resided in Greece and neighboring areas for over 2,000 years. They have historically spoken the Judæo-Greek dialect Yevanic, although due to the majority of them being murdered in the Holocaust, combined with assimilation post-WW2 there are no longer any speakers of it.
  • San Nicandro Jews – A group of mid-20th century converts from Italy.

The Caucasus and the Crimea

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North Africa

[edit]

Mostly Sephardi Jews and collectively known as Maghrebi Jews and sometime considered part of the wider Mizrahi group:

  • Moroccan Jews migrated to this area after the destruction of the First Temple in Jerusalem and settled among the Berbers. They were later met by a second wave of migration from the Iberian Peninsula in the period immediately preceding and following the 1492 Alhambra Decree, when the Jews were expelled from kingdoms of Spain and Portugal. Their descendants in the Amazon basin are known as Amazonian Jews, many of whom remain in traditional Jewish communities[67][68][69] but others mixed into the local population and developed a separate ethnic identity, often with mixed religious practices.[70][71][72][73]
  • Algerian Jews: There is evidence of Jewish settlements in Algeria since at least the late Roman period, followed by Jewish immigrants came to North Africa after fleeing from the persecutions of the Visigothic king Sisebut, and finally the largest segment which were Sephardic Jews forced from Spain due to the Inquisition.
  • Libyan Jews stretch back to the 3rd century BCE, when Cyrenaica was under Greek rule. The Jewish population of Libya, a part of the Berber Jewish community, continued to populate the area continuously until the modern times.
  • Tunisian Jews: similar to the Libyan Jews
  • Berber Jews: Jewish communities of the Atlas Mountains
  • Sudanese Jews are Jewish community that lived in Sudan, and was concentrated in the capital Khartoum, they were mainly of Sephardic background, who had constructed a synagogue and a Jewish school.
  • Egyptian Jews are generally Jews thought to have descended from the great Jewish communities of Hellenistic Alexandria, mixed with many more recent groups of immigrants. These include Babylonian Jews following the Muslim conquest; Jews from Palestine following the Crusades; Sephardim following the expulsion from Spain; Italian Jews settling for trading reasons in the 18th and 19th centuries; and Jews from Aleppo in the late 19th and early 20th centuries.

West Asia

[edit]

Jews originating from West Asia are generally called by the catch-all term Mizrahi Jews, more precise terms for particular groups are:

  • Babylonian Jews, also known as Iraqi Jews, are descendants of the Jewish people whom have lived in Mesopotamia since the time of the Assyrian conquest of Samaria.
  • Kurdish Jews from Kurdistan, as distinct from the Persian Jews of central and eastern Persia, as well as from the lowland Babylonian Jews of Mesopotamia.
  • Persian Jews from Iran (commonly called Parsim in Israel, from the Hebrew) have a 2700-year history. One of the oldest Jewish communities of the world, Persian Jews constitute the largest Jewish community in West Asia outside Israel.
  • Yemenite Jews (called Temanim, from the Hebrew), as well as Adeni Jews are Oriental Jews whose geographic and social isolation from the rest of the Jewish community allowed them to maintain a liturgy and set of practices that are significantly distinct from other Oriental Jewish groups; they themselves comprise three distinctly different groups, though the distinction is one of religious law and liturgy rather than of ethnicity.
  • Jewish Palestinians are Jewish inhabitants of Palestine and Egypt throughout certain periods of Middle Eastern history. After the modern State of Israel was born, nearly all native Palestinian Jews became citizens of Israel, and the term "Palestinian Jews" largely fell into disuse.[citation needed]
  • Lebanese Jews are the Jews that lived around Beirut. After the Lebanese Civil War, the community's emigration appears to have been completed; few remain in Lebanon today.[citation needed]
  • Omani Jews are the early Jewish community of Sohar. They are thought to be descendants of Ishaq bin Yahuda, a Sohari merchant around the first millennium. This community is believed to have disappeared by 1900.
  • Syrian Jews are generally divided into two groups: those who inhabited Syria from ancient times (according to their own traditions, from the time of King David (1000 BC)), and those who fled to the Ottoman Empire after the expulsion of the Jews from Spain (1492), at the invitation of the Ottoman sultan. There were large communities in both Aleppo and Damascus for centuries. In the early 20th century, a large percentage of Syrian Jews emigrated to the U.S., South America, and Israel. Today, there are almost no Jews left in Syria. The largest Syrian-Jewish community is located in Brooklyn, New York, and is estimated at 40,000.

Sub-Saharan Africa

[edit]
  • Beta Israel or Falashim of Ethiopia, tens of thousands migrated to Israel during Operation Moses (1984), Operation Sheba (1985) and Operation Solomon (1991).[74] There are now over 160,000 Ethiopian Jews in Israel, making up approximately 2% of the total Israeli population.[75]
  • Descendants of the Jews of the Bilad el-Sudan (West Africa). Jews whose ancestry was derived from the communities that once existed in the Ghana, Mali, and Songhay Empire. Anusim in and around Mali who descend from Jewish migrations from North Africa, East Africa, and Spain.
  • The Lemba people in Malawi which number as many as 40,000. This group claims descent from ancient Israelite tribes that migrated down to southern Africa via southern Arabia. Genetic testing has partially upheld these claims. Genetic testing suggests some males have Middle Eastern Ancestry but could not confirm Jewish ancestry.[76][77]
  • South African Jews make up the largest community of Jews in Africa. Dutch Sephardic Jews were among the first permanent residents of Cape Town when the city was founded by the VOC in 1652. Today, however, most of South Africa's Jews are Ashkenazi and, in particular, of Lithuanian descent.
  • Communities also existed in São Tomé e Príncipe, descended from Portuguese Jewish youths expelled during the Inquisition.

South, East, and Central Asia

[edit]

Americas

[edit]

Most Jewish communities in the Americas are descendants of Jews who found their way there at different times of modern history. The first Jews to settle in the Americas were of Spanish/Portuguese origin. Today, however, the great majority of recognized Jews on both the North American and South American continents are Ashkenazi, particularly among Jews in the United States. There are also Mizrahim and other diaspora groups represented (as well as mixes of any or all of these) as mentioned above. Some unique communities associated with the Americas include:

  • Sephardic Bnei Anusim are the descendants of Sephardi Jewish nominal converts (conversos) to Catholicism who immigrated to the New World escaping the Spanish Inquisition in Spain and Portugal. Following the establishment of the Inquisition in the Iberian colonies, again they hid their ancestry and beliefs. Their numbers are difficult to ascertain as most are at least nominally Catholic, having been converted by force or coercion, or married into the religion. Collectively, people of Sephardic Bnei Anusim Jewish descent in Latin America is in the millions. Most would be of mixed ancestry, although a few claim some communities may have been able to maintain a degree of endogamy (marrying only other Crypto-Jews) throughout the centuries. They may or may not consider themselves Jewish, some may continue to preserve some of their Jewish heritage in secrecy, many others may not even be aware of it. The majority would not be halakhically Jewish, but small numbers of various communities have formally returned to Judaism over the past decade, legitimizing their status as Jews. See also Anusim.
  • Amazonian Jews are mainly the descendants of Moroccan Jews who migrated to the Amazon basin in the 19th and early 20th centuries. While many remain in traditional Jewish communities in the region, mostly in the northern Brazilian cities of Belém and Manaus, or as part of larger Jewish communities in other Brazilian cities, others scattered in the region and mixed into the local population.[67][68][69]
    • Iquitos Jews are mostly the mixed descendants of Moroccan Jewish traders who arrived in the Peruvian city of Iquitos during the rubber boom of the 1880s and the local mestizo or Amerindian population. In the late 20th century they began to explore their Jewish heritage, and as most of them lacked a Jewish matrilineal descent, a formal conversion would be required for them to be recognized as Jews under religious law. After years of study, with the help of Conservative rabbis from Lima, the United States, Argentina and Chile, most of them converted to Judaism and moved to Israel between 2003 and 2014.[80][81]
  • B'nai Moshe are converts to Judaism originally from Trujillo, Peru. They are also known as Inca Jews, a name derived from the fact that they can trace indigenous Amerindian descent, as most are mestizos (persons of both Spanish and Amerindian descent) though none with any known ancestors from other Jewish communities. Again, there is no interaction between Peru's small Ashkenazi population and the Inca Jews. At the neglect of the Ashkenazi community, the conversions were conducted under the auspices of the Chief Rabbinate of Israel. Most have made aliyah and now live in Israel, while a few hundred more of the same community are awaiting conversions.
  • Veracruz Jews are a recently emergent community of Jews in Veracruz, Mexico. Whether they are gentile converts to Judaism or descendants of anusim returning to Judaism is speculative. Most claim they descend from anusim.[citation needed]
  • Melungeon Jews

Israel

[edit]

The state of Israel was proclaimed as being a home state for all Jews.[82] Although the state's founders strived towards this goal, the lived experience of Jews differed greatly. At the time when the establishment of the State of Israel was proclaimed, the majority of the Jews who lived in both the state and the region were Ashkenazi. However, by the 1990s, the majority of Israeli Jews were Mizrahi.[83] As of 2005, 61% of Israeli Jews are of Mizrahi ancestry.[84]

Chief Karaite rabbi, Moshe Fairouz (left) and vice chairman, Eli Eltahan. Jerusalem, Israel.

Following the establishment of the state, a flood of Jewish migrants and refugees entered Israel from the Arab world in particular and the Muslim world in general. Most of them were Sephardim and Mizrahim, and they included Jews from the Maghreb, Yemenite Jews, Bukharan Jews, Persian Jews, Iraqi Jews, Kurdish Jews, as well as smaller communities, principally those from Libya, Egypt and Turkey. Many immigrants from these communities coming to Israel were met with harsh living conditions, as the fledgling state did not yet have sufficient financial resources to house the influx of its residents. Thus, many immigrants were temporarily housed in tents until spaces of more adequate living means were developed.[85] An additional challenge for non-Ashkenazi Jews was that of a spoken language. Yiddish was the spoken language within Jewish communities in the eastern portion of the European continent, but groups outside of this—who constituted a minority of the population of Israel—spoke other languages. For example, some Sephardic communities spoke Ladino and many Mizrahi Jews spoke Arabic. Hebrew, which was then a language mostly reserved for religious purposes, was the language that Jewish communities had in common. Hebrew was already spoken conversationally among tradespeople living in the region of Palestine, and its full revival as a spoken language that could be used by all residents of Israel was spearheaded by Eliezer Ben-Yehuda.[86][87]

More recently, other communities have also arrived, including Ethiopian Jews and Indian Jews. Because of the relative homogeneity of Ashkenazic Jewry, especially in comparison to the diversity of the many smaller Jewish communities, over time in Israel, all Jews from Europe came to be called "Ashkenazi" in Israel (even those Jews from Europe who did not have any connection to Germany) while Jews from Africa and Asia have come to be called "Sephardi" (even those Jews from Africa and Asia who did not have any connection to Spain). One reason for this categorization is due to many African and Asian Jewish communities performing the Sephardic prayer ritual, and also abiding by the rulings of the Sephardic rabbinic authorities. As a result, they consider themselves "Sephardim" in the broader sense of the term "Jews of the Spanish rite" because they do not consider themselves "Sephardim" in the narrower sense of the term "Spanish Jews". Similarly, the term "Ashkenazim" has the broader sense of the term "Jews of the German rite".

Aspects of these differing experiences among Ashkenazi, Sephardic, and Mizrahi Jewry still linger a half-century later, according to studies which were conducted by the Adva Center,[88] a think tank on social equality, and by other Israeli academic research[89] Every Israeli prime minister has been Ashkenazi, although Sephardim and Mizrahim have attained the presidency, generally considered a ceremonial position,[90] and other high positions. The student bodies of Israel's universities remain overwhelmingly European in origin, despite the fact that roughly half the country's population is non-European. Scattered over areas on the border of the Negev Desert and the Galilee, far from Israel's major cities, most of these towns never had the critical mass or ingredients to succeed as places to live, and reports have emerged that document their residents suffering from high unemployment and inadequate schools.[citation needed] Prof. Smadar Lavie, Mizrahi U.S.-Israeli anthropologist, has documented and analyzed the discriminatory treatment Mizrahi single mothers endure from the Ashkenazi-majority Israeli government, suggesting that Israeli bureaucracy is based on a theological notion that inserts the categories of religion, gender, and race into the foundation of citizenship. Lavie connects intra-Jewish racial and gendered dynamics to the 2014 Gaza War in her widely reviewed book, Wrapped in the Flag of Israel: Mizrahi Single Mothers and Bureaucratic Torture,[91] and analyzes the racial and gender justice protest movements in the State of Israel from the 2003 Single Mothers' March to the 2014 New Black Panthers.[92]

Intermarriage between members of all of these regathered Jewish ethnic groups was initially uncommon, partially as a result of the distances which separated each group's settlement in Israel, and partially because of cultural and/or racial biases. In recent generations, however, the barriers were lowered by the state-sponsored assimilation of all of the Jewish ethnic groups into a common Sabra (native-born Israeli) identity, a policy which facilitated extensive mixed-marriages.[citation needed]

See also

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References

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from Grokipedia
Jewish ethnic divisions refer to the major ethnolinguistic and genetic subgroups comprising the people, principally , Sephardi, , and smaller communities such as Yemenite and Ethiopian Jews, which developed through historical migrations from ancient Israelite origins, geographic isolation, and endogamous practices that fostered distinct cultural, liturgical, and ancestral profiles. These subgroups trace their roots to the Levantine Jewish populations of antiquity, with divergences accelerating after the Roman-era expulsions and medieval dispersals, leading to adaptations in host regions while retaining core genetic affinities to the . , who emerged in medieval and later predominated in , exhibit language traditions and substantial genetic admixture, particularly on maternal lineages, estimated at 30–60% in some analyses. Sephardi Jews originated in the before the 1492 expulsion, dispersing to , the , and beyond with Ladino linguistic heritage, while represent longstanding communities in the and , often showing closer continuity to ancient Jewish genetics with limited external admixture. Population genetic studies consistently identify shared Middle Eastern ancestry across these groups, clustering them separately from non-Jewish populations yet revealing subgroup-specific signatures from regional intermarriages and bottlenecks.

Historical origins

Ancient Israelite period

The ancient Israelite period, approximately from the late 13th century BCE to the 6th century BCE, represents the emergence of a distinct Israelite ethno-cultural identity in the , primarily through highland settlements in that differentiated from lowland Canaanite and Philistine urban centers via simpler , absence of pig bones in diets, and early adoption of four-room houses. Archaeological surveys reveal over 250 new villages established in the central hill country during I (c. 1200–1000 BCE), populated by an estimated 20,000–40,000 people, indicating endogenous development from local Canaanite stock rather than mass external migration or conquest. This period's population showed genetic continuity with Levantine peoples, sharing Semitic linguistic and cultural roots with Phoenicians and other Canaanites, though marked by a monolatrous Yahwistic that fostered group cohesion. Biblical tradition posits the as originating from twelve patrilineal tribes descended from Jacob's sons—, , , Judah, Dan, , Gad, Asher, , , (subdivided into and Manasseh), and Benjamin—forming a tribal confederacy after escaping Egyptian bondage and conquering under . However, extra-biblical evidence for these specific tribes as discrete ethnic units in the early settlement phase is scant; the "twelve tribes" schema likely crystallized later, during the or , as a symbolic construct to legitimize territorial claims and unify disparate clans, akin to other ancient Near Eastern amphictyonies. Territorial allotments ascribed to tribes in Joshua and Judges reflect idealized II (c. 1000–586 BCE) boundaries rather than verified prehistoric divisions, with no inscriptions or artifacts distinctly labeling early tribal identities before the BCE. A putative united under , and (c. 1020–930 BCE) temporarily subordinated tribal affiliations to royal authority, evidenced indirectly by monumental architecture at sites like and the mentioning "House of ." Post- around 930 BCE split the polity into the northern (encompassing nine or ten tribes, centered in ) and southern (primarily Judah and Benjamin tribes, with Levitical priests), driven by taxation disputes and regional rivalries, introducing enduring political and religious fissures—northerners favoring Bethel shrines over Jerusalem's temple. Assyrian campaigns culminated in Israel's fall in 722 BCE, deporting circa 27,000 elites and repopulating with foreign groups, resulting in hybrid from remnant northerners; Judah endured until Nebuchadnezzar's 586 BCE conquest, exiling 10,000–20,000 to . These tribal-kingdom divisions laid nascent groundwork for later Jewish ethnic trajectories, as northern tribal identities assimilated or dispersed, while Judean s preserved a core lineage from Judah, Benjamin, and , emphasizing and Torah-centricity in exile. Levites maintained priestly distinctiveness across regions, but broader ethnic homogeneity prevailed, with intermarriage and shared ancestry minimizing deep cleavages until post-exilic returns. Assyrian records, like Sargon II's , confirm deportations without noting ethnic fragmentation beyond political subjugation, underscoring that ancient divisions were more socio-political than biologically entrenched.

Second Temple era and initial dispersions

The period, spanning approximately 516 BCE to 70 CE, followed the partial return of exiles from under Persian King Cyrus the Great's decree in 538 BCE, with the temple rebuilt by 516 BCE. Only around 42,360 individuals returned to under leaders like and , representing a fraction of the dispersed population, as estimates suggest up to a million resided across the Persian Empire by then. The majority chose to remain in , where communities in cities like and persisted, maintaining identity through , land ownership, and religious practices amid Babylonian society, laying the foundation for enduring eastern Jewish centers. Early dispersions beyond included the Jewish military colony at in southern , established by the late 6th century BCE under Achaemenid Persian rule, as evidenced by papyri from 495–399 BCE documenting a temple to Yahu (), oaths, and communal letters. This community, comprising soldiers and families, exhibited distinct practices such as multiple deities alongside and no evident desire for repatriation to , differing from temple-centric norms in . Following the Great's conquest in 332 BCE, voluntary migrations accelerated during the Hellenistic era, driven by economic opportunities in trade and administration rather than forced exile, with Jews settling in Ptolemaic (especially ), Seleucid (Antioch), and Asia Minor. By the late under Roman rule, Jews outnumbered those in , comprising over 50% of the global Jewish population, concentrated in (potentially hundreds of thousands in alone), , , and Roman provinces like Asia Minor and . These communities sustained ties to via pilgrimages, tithes, and temple offerings, yet adapted locally: Babylonian Jews retained Aramaic and traditional customs, while Hellenistic ones adopted Greek language, producing the translation around 3rd–2nd centuries BCE and philosophical works like those of Philo of . Such geographic and cultural separations—eastern persistence versus Mediterranean hellenization—initiated subtle ethnic divergences, though unified by shared ancestry and observance, foreshadowing later branching. The destruction of the Second Temple in 70 CE by Romans intensified dispersions, scattering survivors from into existing networks, but pre-existing communities had already established resilient, semi-autonomous structures, including synagogues and scholarly academies in , which preserved distinct liturgical and interpretive traditions amid host societies. Archaeological and textual evidence, such as ostraca and Josephus's accounts, confirm these groups' (e.g., as merchants, artisans) while resisting full assimilation through communal .

Diaspora evolution

Roman-era expulsions and early migrations

The suppression of the First Jewish-Roman War (66–73 CE) by Roman legions under and led to the fall of and the destruction of the Second Temple on 9 Av (August) 70 CE, resulting in heavy casualties among combatants and civilians, alongside the enslavement and sale into Roman markets of approximately 97,000 Jewish captives from the city, as documented by the eyewitness historian . While the urban elite and Temple priesthood suffered disproportionately, with 's population decimated by famine, combat, and post-siege massacres, no comprehensive edict expelled Jews from the province of as a whole; archaeological and literary evidence indicates continuity of rural Jewish settlement in , the coastal plain, and Transjordan, where Vespasian's campaigns had quelled but not eradicated resistance earlier in the revolt. This period marked an acceleration of voluntary and forced dispersal rather than a total banishment, with war-induced economic collapse and enslavement prompting many to join or expand existing networks predating the conflict by centuries. The (132–135/6 CE), a messianic uprising against Hadrian's Hellenizing reforms—including the founding of on 's ruins and bans on —culminated in Roman victory under generals like Julius Severus, inflicting devastating losses: recorded 580,000 Jewish fighters slain, with additional civilian deaths from starvation, disease, and auxiliary massacres pushing total fatalities toward half of Judea's estimated 1–2 million Jews. Hadrian's retaliatory decrees barred Jews from and a 50-stadia radius around it, while renaming the province to erase Jewish ties, but these measures targeted revolt epicenters rather than enacting province-wide expulsion; Jewish life persisted in , where rabbinic academies later flourished, and in scattered Judean villages, as evidenced by Talmudic references to post-revolt land ownership and construction. Enslavement affected tens of thousands shipped to Roman provinces, yet scholarly assessments emphasize demographic contraction through attrition over systematic deportation, countering later narratives of near-total . These upheavals drove migrations that reinforced geographic separations among Jewish groups, with survivors bolstering eastern and western communities. Internally, Galilean relocation sustained Palestinian Judaism's core, enabling the compilation of the around 200 CE amid reduced but viable numbers. Eastward, refugees augmented the longstanding Babylonian exile community under Parthian (later Sassanian) rule, where and other centers absorbed Judean scholars and families fleeing Hadrianic persecution, fostering distinct liturgical and exegetical traditions. In Roman territories, war captives and emigrants swelled populations in 's Jewish quarter expanded with Pompey's 61 BCE captives and Vespasian's 70 CE haul—alongside (), Cyrene (), and Asia Minor ports like , where epigraphic records attest to synagogues and benefactor inscriptions by the 2nd century CE. These vectors initiated subtle ethnic branching, as Judean-Palestinian migrants intermingled variably with Hellenistic-influenced , setting precedents for later Mizrahi continuity in the versus proto-Sephardic adaptations in Mediterranean and Africa.

Medieval branching into Ashkenazi and Sephardi

During the , following the decline of Roman authority in , Jewish migrants from and southern moved northward, establishing communities along the in the territories of the . By the 9th century, small Jewish settlements existed in the region of modern-day , with the first clear historical records dating to the in cities such as , Worms, and —collectively termed the ShUM communities after their Hebrew initials. These groups, initially involved in and money-lending under imperial protection, formed the nucleus of Ashkenazi Jewry, deriving their name from the Hebrew term for . Genetic analysis of 14th-century Ashkenazi remains from , , reveals a population already exhibiting founder effects, with paternal lineages tracing to the and maternal lines showing both Levantine and European components, indicating early medieval consolidation rather than later mass admixture. In parallel, Jewish communities in the Iberian Peninsula, with roots traceable to Roman-era migrations around the 1st-4th centuries CE, underwent significant expansion and cultural crystallization during the Muslim conquest of 711 CE. Under Umayyad rule in (Islamic ), Jews experienced relative tolerance and economic integration, serving as physicians, scholars, and administrators in courts at , , and Toledo by the 9th-10th centuries. This era marked the emergence of Sephardi Jewry—named after , the Hebrew biblical term for Iberia—with distinct traditions rooted in Babylonian Talmudic scholarship but adapted to local and Islamic-influenced . Prominent figures like (c. 915–970 CE), a vizier to Caliph , exemplified Sephardi intellectual prominence, fostering Hebrew poetry, medicine, and translation efforts that bridged Greek, Arabic, and Jewish texts. The geographic bifurcation—northern Christian Europe for Ashkenazim versus southern Islamic-then-Christian Iberia for Sephardim—fostered divergent trajectories by the . Ashkenazi communities developed as a fusion of Hebrew-Aramaic elements with , alongside a rite emphasizing northern French (Tzorfat) influences and stringent halakhic interpretations amid Crusader-era persecutions starting in 1096 CE. Sephardim, conversely, cultivated Judeo-Spanish (Ladino) dialects and a rite harmonizing Babylonian and local customs, thriving intellectually until the Almohad persecutions of the and later Christian pressures. While both groups shared core Levantine ancestry from ancient Israelite stock, medieval isolation led to endogamy-driven genetic bottlenecks: Ashkenazim showing elevated runs of homozygosity by the , and Sephardim incorporating minor North African and Iberian admixture without diluting primary Near Eastern markers. This branching, absent a singular event, reflected causal adaptations to disparate host societies rather than doctrinal rifts, with minimal intermingling until post-1492 expulsions scattered Sephardim eastward.

Persistence of Mizrahi and peripheral communities

Mizrahi Jewish communities, originating from ancient dispersions such as the Babylonian in 586 BCE, maintained continuity in regions like , , and for over two millennia despite successive imperial conquests and periods of persecution. These groups preserved distinct religious and cultural practices, including the compilation of the Babylonian around 500 CE in , which became a foundational text for Jewish law, and unique liturgical traditions influenced by local languages such as Judeo-Arabic and . Under Islamic rule from the onward, status enabled communal autonomy, allowing endogamous marriage, rabbinic courts, and synagogues to sustain ethnic cohesion amid broader societal pressures. Peripheral Mizrahi subgroups, often geographically isolated, exhibited heightened resilience through insular social structures and adaptive customs. , tracing presence to at least the 4th century CE in the , upheld archaic Hebrew pronunciation, intricate silverwork, and performance arts like dance and music, resisting full assimilation despite enforced conversions and economic marginalization in medieval and Ottoman eras. Similarly, of the , descending from Persian exiles since the 5th century CE, retained the language—a dialect—and martial traditions integrated with strict observance, fostering survival in rugged terrains amid Tatar and Muslim neighbors. These communities' persistence stemmed from causal factors including religious prohibitions on intermarriage, communal , and economic niches like trade and craftsmanship, which minimized dependence on host societies while reinforcing internal bonds. Genetic studies corroborate this continuity, showing low admixture levels and founder effects in isolated groups, underscoring biological as well as cultural fidelity to Levantine origins over centuries. Even into the , pre-1948 migrations preserved these identities, with transporting foodways and rituals to from the 1880s, countering assimilationist forces.

Genetic and biological evidence

Core ancestry from Levantine sources

Genetic studies utilizing autosomal DNA, Y-chromosome, and markers demonstrate that major Jewish ethnic groups—Aashkenazi, Sephardi, and Mizrahi—share a foundational ancestry component originating from the ancient , dating to approximately 2,000–3,000 years ago. This Levantine core is evident across diverse populations, distinguishing them from host societies despite regional admixtures, as confirmed by principal component analyses and admixture modeling in multiple peer-reviewed datasets. Autosomal genome-wide analyses estimate the Levantine ancestry proportion in at 40–60%, with Sephardi and exhibiting even higher shares closer to 70–80%, reflecting less dilution from European or other non-Levantine sources. Y-chromosome haplogroups such as J1 and J2, prevalent in 40–70% of Jewish paternal lineages depending on the subgroup, align closely with ancient Near Eastern profiles, including the Cohanim modal haplotype (CMH) within J-P58, which traces to a common ancestor around 3,000 years ago and is found in over 50% of self-identified priestly descendants. founder haplogroups of Middle Eastern origin, such as K1a1b1a and N1b, comprise up to 40% of Ashkenazi maternal lineages, further anchoring the core to Levantine roots rather than solely local conversions or adoptions. Ancient DNA comparisons from Bronze and Iron Age Levantine sites, including Canaanite and Israelite remains, reveal that modern Jewish populations retain over 50% genetic continuity with these prehistoric groups, outperforming many neighboring Levantine peoples in proximity to Iron Age samples due to preserving the signal. This continuity holds across ethnic divisions, with showing the strongest match to southern Levantine ancient profiles, while Ashkenazi exhibit a Levantine base admixed with southern European elements post-Diaspora. Founder effects and bottlenecks, such as those around 600–800 CE for Ashkenazim, amplified this core without erasing it, as quantified by in admixture graphs. These findings counter narratives of predominantly local origins by prioritizing uniparental markers and whole-genome data over selective interpretations.

Admixture variations and founder effects

Jewish populations display distinct patterns of with local host populations, layered upon a shared Levantine ancestral component estimated at 50-80% across major groups, with founder effects most pronounced in endogamous subgroups due to historical bottlenecks and isolation. Admixture levels vary by diaspora branch: show 30-60% European ancestry, primarily Southern European, introduced likely during medieval migrations into the around the 9th-11th centuries CE, while Sephardic and some Mizrahi groups exhibit higher Mediterranean and North African inputs, reflecting Iberian expulsions post-1492 and regional intermarriages. Mizrahi populations, such as Iraqi and Iranian Jews, retain lower non-Levantine admixture (10-30%), closer to ancient Judean profiles with minimal dilution from Arab or Persian sources, underscoring less extensive in eastern diasporas. Founder effects, arising from population bottlenecks, have amplified rare alleles in isolated communities, particularly Ashkenazim, who underwent a severe reduction to approximately 350 founding individuals around 600-800 years ago, followed by rapid expansion from a few hundred to millions. This bottleneck elevated frequencies of recessive disease-causing mutations, such as those for Tay-Sachs (carrier rate ~1/27), (1/10-15), and /2 variants linked to , with at least 20 such disorders showing 10-100-fold higher prevalence than in general populations due to drift rather than selection alone. Y-chromosome analyses confirm a strong founder signal in Ashkenazim, with 50-80% of lineages tracing to 4-5 haplogroups of Near Eastern origin, bottlenecked further by . In contrast, Sephardic and Mizrahi groups experienced milder founder effects, with broader from larger founding populations and occasional admixture events, resulting in fewer population-specific disorders; for instance, North African Jews show balanced European-North African splits without the extreme fixation seen in Ashkenazim. Recent genome-wide studies, including identity-by-descent mapping, reveal rapid decay of shared segments in Ashkenazim consistent with a medieval bottleneck, while Mizrahi profiles indicate continuity with minimal drift, supporting causal links between isolation, , and elevated in bottlenecked lineages. These patterns align with historical records of expulsions and communal insularity, rather than uniform pan-Jewish admixture, highlighting how geographic and shaped subgroup genomes.

Recent studies confirming continuity (post-2000)

A genome-wide analysis by et al. in 2010 genotyped individuals from 14 communities using high-density bead arrays, revealing that most Jewish samples cluster tightly together in principal component analyses, overlying and Cypriot samples and indicating a shared genetic origin predating modern dispersals. This structure persisted despite regional admixtures, with Jewish groups showing greater similarity to each other than to neighboring non-Jewish populations, supporting and limited as mechanisms preserving continuity. Concurrently, Atzmon et al. in 2010 examined identity-by-descent segments across European/Syrian, North African, and Middle Eastern Jewish clusters, finding elevated sharing among Jewish populations compared to non-Jews, consistent with a series of founder events from a common Levantine source around 2500–3500 years ago. The study highlighted that these clusters, while distinct due to local admixture, weave together through shared Middle Eastern ancestry, refuting models of independent origins and affirming genetic coherence across branches. Subsequent work by et al. in 2013, using genome-wide data from , rejected hypotheses of substantial Khazar or other non-Levantine contributions, instead aligning Ashkenazi profiles closely with other Jewish groups and Levantine proxies through admixture modeling. This reinforced paternal and autosomal continuity from ancient Israelite stocks, with European maternal inputs insufficient to disrupt the core signal. Ancient DNA integration in Waldman et al. (2022) sequenced medieval German Jewish remains, identifying subgroups within early Ashkenazi populations but confirming their descent from a bottlenecked Levantine-derived founder group, with limiting subsequent dilution and maintaining distinctiveness from contemporaneous Europeans. These patterns, undetectable in modern data alone, underscore long-term genetic stability despite migrations.

Primary ethnic groups

Ashkenazi Jews

Ashkenazi Jews originated as a distinct ethnoreligious community in the region of western during the 10th century CE, with the term "Ashkenazi" deriving from the biblical name for a region associated with Germanic territories. These early settlements formed from Jewish migrants, likely from and , establishing trading and scholarly centers in cities like , Worms, and . By the 11th-12th centuries, persecutions during the and later expulsions prompted eastward migrations to Poland-Lithuania, where populations expanded rapidly due to relative tolerance and economic opportunities, reaching several million by the . The drastically reduced numbers, with approximately 90% of European perishing between 1939 and 1945, leading to a post-war concentrated in the United States, , and smaller communities elsewhere. As of the early 2020s, comprise the largest Jewish ethnic group, numbering roughly 10 million worldwide, representing about two-thirds of global Jewry. Genetic analyses confirm Ashkenazi ancestry as a composite of Levantine origins—estimated at 45-60%—and Southern European admixture, with maternal lineages showing substantial European input and paternal lines retaining stronger Middle Eastern signatures. Genome-wide studies refute claims of significant Khazar or other non-Levantine contributions, emphasizing continuity from ancient Judean populations alongside founder effects from medieval bottlenecks that elevated frequencies of alleles linked to disorders like Tay-Sachs and . This admixture pattern distinguishes Ashkenazim from Sephardi and , who exhibit less European and more regional Near Eastern or North African . Culturally, developed as a , blending medieval with Hebrew and Slavic elements, which served as a literary and liturgical medium until the . Their religious rite, , features distinct prayer melodies, Hebrew pronunciations (e.g., "t" for tav without ), and customs diverging from Sephardi/Mizrahi traditions, such as prohibiting (legumes, rice) on , stricter meat-milk separation intervals, and avoiding naming children after living relatives. These variances, rooted in medieval rabbinic authorities like and the Tosafists, underscore Ashkenazi and adaptation to European environments while preserving core halakhic continuity.

Sephardi Jews

Sephardi Jews descend from the Jewish communities that resided in the Iberian Peninsula, particularly Spain and Portugal, prior to their expulsion in the late 15th century. The name "Sephardi" originates from the biblical term "Sepharad," referring to Spain in Hebrew tradition. These communities, established since Roman times with significant growth under Muslim rule from the 8th century, developed a distinct tradition influenced by both Jewish scholarship and Iberian culture, including philosophical works by figures such as Maimonides (1138–1204). The pivotal event shaping Sephardi identity was the of March 31, 1492, issued by and Queen , mandating the expulsion of all unconverted from by July 31, 1492, to eliminate perceived influences on conversos (forced converts). Estimates indicate that between 100,000 and 200,000 left , with many facing hardships during exodus; a similar edict followed in in 1497 under Manuel I. Exiles primarily resettled in the —where reportedly welcomed them for their economic value—, , and later the and , preserving their customs amid diverse host societies. Culturally, Sephardim are characterized by the Judeo-Spanish language known as Ladino (or Judezmo), a medieval Spanish dialect infused with Hebrew, , and local elements, used in , literature, and daily life until its decline in the . Their religious practices follow the Sephardi rite, featuring distinct Hebrew (e.g., "tav" as "s" in some contexts, unlike Ashkenazi "t"), liturgical melodies, and customs such as permitting rice and legumes during and unique architectures influenced by Islamic styles. In contrast to , who trace origins to the and use , Sephardim emphasize Maimonidean halakhic interpretations and exhibit less stringent stringencies in certain rituals. Genetic analyses confirm Sephardi Jews' primary Levantine ancestry, akin to other Jewish groups, with moderate admixture from Iberian and Mediterranean populations due to historical intermarriages, though less extensive European input than in Ashkenazim. A 2000 study of Y-chromosome markers found Sephardic Jews genetically indistinguishable from Kurdish Jews, underscoring shared Middle Eastern origins despite diaspora divergences. Maternal lineage research highlights founder effects and crypto-Jewish signatures in descendant populations. As of recent estimates, the global Sephardi population numbers around 900,000, with the largest concentrations in (where they form a significant portion alongside ), , the , and . Post-1948 migrations from Arab countries bolstered Sephardi communities in , though intermarriage and assimilation have blurred strict distinctions.

Mizrahi Jews

Mizrahi Jews, deriving from the Hebrew term for "Eastern," encompass the indigenous Jewish communities of the whose roots trace back to antiquity, predating the Arab conquests of the CE. These groups maintained continuous presence in regions such as , , , , , and various North African locales, originating largely from the Babylonian Exile in 586 BCE and subsequent dispersions under Persian, Hellenistic, and Roman rule. Unlike Sephardi Jews, whose ancestry stems from the and who adopted certain liturgical rites post-1492 expulsion, Mizrahi Jews represent distinct lineages with minimal Iberian influence, though some cultural overlaps occurred through Ottoman-era interactions. Their heritage reflects adaptation to local Semitic and Persian environments while preserving core Levantine genetic and religious continuity. Historically, Mizrahi communities endured as minorities under successive empires, including the Achaemenid, Parthian, Sassanid, and Islamic caliphates, often as dhimmis subject to taxes and periodic restrictions, yet contributing significantly to Jewish scholarship, such as the Babylonian Talmud compiled in around 500 CE. The marked a pivotal rupture, with approximately 850,000 fleeing or being expelled from Arab and Muslim-majority countries between 1948 and the 1970s amid rising nationalism and anti-Zionist pogroms, leading to the near-total eradication of these ancient communities outside . This exodus was driven by state-sanctioned asset seizures, violence, and discriminatory laws, as documented in historical records from affected nations like (where 120,000 Jews resided pre-1948) and (50,000). In contemporary demographics, constitute about 40-45% of Israel's Jewish population, totaling roughly 3 million individuals when including mixed ancestries, with smaller remnants in the and . This figure arises from post-independence immigration waves, where Mizrahim formed over half of Israel's Jewish immigrants by the , reshaping the nation's ethnic composition. Culturally, they exhibit diverse Judeo-Arabic, , and other dialects, alongside regional liturgical variations like the Babylonian rite in or Yemenite customs emphasizing unique pronunciation and melodies in prayer. Mizrahi religious observance tends to be higher than among Ashkenazi counterparts, with stronger adherence to traditional practices and reverence for rabbinic authority, as evidenced by surveys showing elevated rates of observance and kosher adherence.

Secondary and regional groups

Yemenite and North African variants

Yemenite Jews constitute a peripheral Jewish ethnic group with roots in southern Arabia, where communities persisted in relative isolation for centuries, fostering distinct liturgical traditions and Hebrew phonetics that preserved ancient Semitic gutturals absent in many other branches. Historical accounts trace their presence to migrations following the destruction of the First Temple in 586 BCE or the in 132–136 CE, though archaeological and textual evidence remains sparse and debated. By the 20th century, approximately 50,000 Yemenite Jews faced intensified dhimmi restrictions and pogroms, culminating in (1949–1950), an Israeli-led airlift that relocated nearly the entire population—49,000 individuals—to via 380 flights, averting further persecution after Yemen's civil unrest. Genetically, Yemenite Jews display a unique profile marked by founder effects and limited external admixture, with analyses revealing evolutionary histories distinct from neighboring Ethiopian Jews and broader Levantine groups, underscoring prolonged in a South Arabian context. Paternal lineages often feature haplogroup J1, aligning with Cohanim markers in other Jewish populations, yet overall autosomal data indicate partial convergence with ancient Israelite sources tempered by regional isolation rather than mass conversion. This genetic continuity supports claims of minimal post-exilic intermixing compared to more admixed Mizrahi variants, though some models estimate 30–40% Levantine ancestry amid local substrate influences. Within Yemenite Judaism, two primary rites emerged: the Baladi tradition, adhering strictly to pre-Talmudic practices and rejecting later rabbinic innovations, and the Shami variant, influenced by Sephardic exiles post-16th century Ottoman expansions, incorporating elements like the . These divisions persist in , where Yemenites number over 400,000 today, maintaining cultural markers such as intricate silver jewelry, temporal wedding customs, and a dialect of infused with Hebrew and substrates. North African Jewish variants, encompassing Maghrebi communities from , , , and , represent another regional lineage with origins exceeding 2,000 years, evidenced by pre-Islamic Berber-Jewish tribes and influxes after the Roman destruction of the Second Temple in 70 CE. These Toshavim (native) Jews coexisted with later Sephardic refugees from Iberia after 1492, blending indigenous customs with Iberian rites, though native groups retained Berber-influenced practices like unique seders and amulet traditions tied to local mysticism. Post-colonial upheavals from 1948 onward prompted mass exodus: 's 250,000 Jews dwindled to under 2,000 by 2020, with most resettling in (over 1 million Maghrebi descendants) or . Autosomal genetic studies affirm North African Jews' primary ancestry from Levantine populations, with principal component analyses placing them within a Sephardic-Ashkenazi continuum, distinguished by 10–20% Berber-like admixture and high rates that preserved Jewish-specific alleles against broader North African . Unlike Yemenites, their Y-chromosome pools show elevated European Sephardic inputs post-medieval expulsions, reflecting hybrid formation, yet mtDNA clusters indicate deep regional continuity predating Arab conquests in the . Dialectally, they spoke Judeo-Maghrebi Arabic variants—such as in northern , merging Spanish substrates with Berber phonology—used in and until mid-20th century assimilation. These variants highlight founder effects and geographic as causal drivers of divergence, with Yemenites exemplifying extreme isolation yielding archaic traits, while North Africans exhibit layered admixtures from Berber substrates and Sephardic overlays, both underscoring resilience against assimilation pressures documented in medieval geonic responsa and Ottoman records. Modern demographics concentrate in , where cultural revivals preserve distinctions amid broader Jewish integration.

Ethiopian and Indian Ocean communities

The , or Ethiopian Jews, represent a historically isolated Jewish community centered in the northern , adhering to a pre-Rabbinic form of that emphasized biblical practices without the or later rabbinic codes. Their oral traditions trace descent from ancient , potentially via migrations following the Assyrian exile or earlier dispersals, though historical records are sparse until European encounters in the 18th-19th centuries. Genetic analyses reveal predominantly East African lineages (clades L0-L5), indicative of local maternal ancestry, contrasted with Y-chromosome haplogroups (e.g., J and E variants) showing affinities to Levantine and other Jewish paternal lines, consistent with ancient male-mediated from Near Eastern sources rather than recent admixture. Autosomal studies position outside the core Jewish genetic cluster formed by Ashkenazi, Sephardi, and Mizrahi groups, with highlighting substantial Cushitic and admixture, yet detecting shared Levantine signals predating the . This profile supports partial continuity with ancient Israelite origins amid extensive local intermixing, challenging narratives of wholesale conversion while affirming empirical evidence of Jewish genetic heritage. Mass exodus occurred amid famine, civil war, and persecution in during the 1980s-1990s, facilitated by Israeli airlifts: (1984-1985) rescued 8,000 via , while (1991) evacuated 14,310 in 36 hours using 35 aircraft. Subsequent waves brought totals to over 120,000 immigrants by 2013, with family reunifications continuing into the 2020s. As of 2022, Israel's Central Bureau of Statistics records 168,800 individuals of Ethiopian origin, comprising 92,100 Ethiopian-born and 76,700 Israeli-born offspring, concentrated in urban peripheries like and . Integration challenges persist, including socioeconomic disparities and cultural clashes, but the community maintains distinct traditions such as holiday observance, recognized nationally in since 2008. Indian Ocean Jewish communities primarily encompass the of India's coast and the of , both tied to maritime histories and exhibiting hybrid ancestries reflective of ancient trade routes across the . The , numbering around 5,000 in pre-independence, preserve legends of seven Jewish families surviving a 2nd-century BCE en route from , sustaining endogamous practices like oil-pressing (teli caste) until British-era recognition. Genome-wide data confirm ~50% Middle Eastern Jewish ancestry—encompassing Levantine and potential Sephardi components—balanced by South Indian autosomal contributions, with elevated frequencies of Jewish-linked haplogroups (e.g., mtDNA M and N subclades with Near Eastern markers) distinguishing them from non-Jewish Indians. This admixture likely dates to the founding bottleneck, followed by limited local intermarriage, positioning as a distinct ethno-religious isolate. The , documented since at least the CE in copper plates granting settlement rights near , divide into "Malabar" (native) and "Paradesi" (later Sephardi/Mizrahi arrivals post-1492 expulsion) subgroups, with traditions invoking King Solomon's era for earliest ties. Genetic profiling reveals basal Jewish ancestry from Middle Eastern migrants ~1,000-2,000 years ago, overlaid with South Indian admixture and a pulse of exogenous Jewish ~500 years ago (13 generations), evidenced by shared segments with Iraqi and Levantine Jews. High preserved homogeneity, though post-1948 reduced India's Cochin population to under 10 individuals by 2020, with ~6,000 descendants in maintaining liturgy and synagogues like Paradesi in . These groups underscore regional founder effects, where oceanic isolation fostered unique admixtures without severing core Levantine traces, as validated by multiple autosomal and uniparental marker studies post-2010. Claims by northeastern India's to Manasseh tribal descent, prompting ~5,000 conversions and since 2005, lack comparable genetic corroboration, with profiles aligning to Tibeto-Burman locals absent Middle Eastern signals.

Caucasian and Central Asian Jews

Caucasian Jews, primarily the (also known as Juhuro or Judeo-Tats), trace their origins to migrations of Persian Jews into the region during the early medieval period, likely along trade routes or as settlers under Sasanian rule in the 5th or CE. These communities developed in mountainous areas of present-day , , and , maintaining endogamous practices that preserved their distinct identity amid surrounding Muslim and Christian populations. Genetic analyses indicate that share paternal haplotypes with other Jewish groups, reflecting a common Levantine ancestry overlaid with limited Caucasian admixture due to historical isolation and in-group marriage. By the late , the Jewish population in the numbered approximately 56,773, including around 7,000 , comprising about 0.5% of the regional total. Soviet censuses recorded growth to roughly 110,000 in the by 1959, with estimated at 30,000. Post-Soviet significantly reduced numbers, leaving 8,000 to 25,000 in as of 2010, while the majority relocated to and . They speak Juhuri, a language written in Hebrew script historically, and adhere to with unique customs such as distinctive wedding rituals and a tradition of armed due to the rugged terrain and inter-ethnic tensions. Central Asian Jews, chiefly the (Bukhori or Bukharian), represent an ancient diaspora branch descending from Persian Jewish communities established following the Babylonian exile in the BCE, with continuous presence in the region predating Islamic conquests. Concentrated in , , and surrounding areas of modern and , they endured cycles of prosperity under emirs, restrictions, and forced conversions, particularly in the 18th-19th centuries, before Russian annexation in 1868 improved conditions. Genetic studies reveal predominantly Middle Eastern origins, with exhibiting allele frequencies akin to other Mizrahi groups and minimal Central Asian admixture, underscoring long-term . The Bukharan Jewish population expanded from about 16,000 in the late to 38,200 in by 1926, peaking under Soviet rule before mass emigration in the 1970s-1990s reduced local numbers to under 1,000 in as of 2023. Today, over 100,000 reside in , with another 50,000 in the United States, particularly , New York. Their language, Bukhori—a Judeo-Tajik —incorporates Hebrew and elements, and cultural practices include vibrant music, like plov, and synagogue-based communal life, though assimilation pressures have accelerated in settings. Both groups exhibit genetic continuity with broader Jewish populations, clustering closer to Iranian and than to local non-Jewish neighbors, refuting claims of substantial Turkic or Khazar derivation in favor of Persian-mediated Levantine roots. This positions them as secondary ethnic divisions shaped by geographic isolation, yielding unique linguistic and customary variances while affirming shared ancestral ties to ancient Israelite sources.

Cultural and religious differentiations

Linguistic developments and dialects

Jewish communities historically preserved Biblical and as a sacred and scholarly language, ceasing its use as a vernacular around 200 CE following the Roman exile, after which and local vernaculars predominated in daily speech. Jews developed fusion languages—known as ""—incorporating a Hebrew- component (typically 10-20% of for religious terms) into the and core of host languages, often written in Hebrew script to maintain cultural distinctiveness. These developments arose from geographic isolation, , and religious imperatives, fostering ethnolects that reflected ethnic divisions among Ashkenazi, Sephardi, and Mizrahi groups. Among , Yiddish emerged around 1000 CE in the region of as a fusion of dialects with Hebrew and elements, serving as the vernacular for over 11 million speakers by the early before reduced it to fewer than 600,000 today. Its grammar and syntax derive primarily from West Germanic sources, with later Eastern European variants incorporating Slavic loanwords (up to 20% in some dialects), distinguishing it from non-Jewish German through unique phonetic shifts like the diphthongization of certain vowels. split into Western (e.g., in ) and Eastern branches (e.g., Litvish in , Poylish in ), reflecting internal migrations eastward from the 14th century. Sephardi Jews cultivated Judeo-Spanish, or Ladino, post-1492 expulsion from , retaining medieval as its base (with about 60% core vocabulary) augmented by Hebrew terms and regional influences like Turkish or Greek in Ottoman exile communities. This language, spoken by up to 500,000 in the early 20th century across the and , featured dialects such as Eastern (e.g., in , with archaic Ibero-Romance features) and Western (e.g., in , blending with ), and was traditionally rendered in or scripts. Its literature, including romanceros (ballads) from the 16th century, preserved pre-expulsion Iberian cultural elements. Mizrahi and other Oriental Jewish groups primarily used Judeo-Arabic dialects, which evolved from the 7th-century Arabic conquests, adapting sedentary urban Arabic varieties with Hebraisms, Aramaic substrate influences, and distinct phonological traits like preservation of certain gutturals absent in Muslim dialects. These ethnolects, attested in texts from 9th-century , varied regionally—e.g., Iraqi Judeo-Arabic with Persian loans, Moroccan with Berber elements—and were written in Hebrew letters, numbering over a dozen mutually intelligible but locally divergent forms spoken by millions until mid-20th-century emigrations. Additional Mizrahi vernaculars included (with Middle Persian roots, used in since the 8th century) and (a Caucasian Iranian dialect among ). The late 19th-century Zionist revival of Hebrew as a modern spoken language, initiated by in 1881 through neologisms and compulsory family use, transformed it from liturgical to everyday vernacular, achieving majority status in by 1922 with over 100,000 fluent speakers. This unification effort, supported by institutions like the Hebrew Language Committee (founded 1890), accelerated dialect decline post-1948 in , where Israeli Hebrew synthesized Ashkenazi, Sephardi, and Mizrahi pronunciations, though pockets of (e.g., Hasidic enclaves) and Judeo-Arabic persist among immigrants. By 2023, fewer than 5% of spoke diaspora dialects as primary languages, reflecting assimilation driven by state education and media.

Liturgical and customary variances

Jewish liturgical practices exhibit variations primarily along ethnic lines, reflecting historical developments in distinct geographic regions. , originating from , adhere to the rite, which emphasizes a structured order of prayers with specific textual formulations dating back to medieval Franco-German traditions. , from the , , and the , generally follow the Nusach Edot HaMizrach or Sephardic rite, influenced by the Babylonian Talmudic tradition and post-expulsion codifications by figures like Karo in the 16th century. These rites share the core prayers but diverge in wording, insertions of piyyutim (liturgical poems), and melodic traditions, with Sephardic versions often incorporating more kabbalistic elements. Pronunciation of Hebrew represents a fundamental customary variance: Ashkenazi liturgy features kamatz gadol pronounced as "o" (e.g., Shabbos) and tav as "s" in certain positions, rooted in medieval European phonetics, whereas Sephardic and Mizrahi rites use a taf sound for tav and preserve kamatz as "a," closer to ancient pronunciations preserved in Yemenite traditions. maintain a distinct rite, characterized by archaic Hebrew intonation and minimal external influences until the , differing from the Shami variant adopted by some under Ottoman Sephardic sway; their customs include unique cantillation for and avoidance of certain post-Talmudic stringencies. Synagogue customs further highlight ethnic divisions. Ashkenazi practice mandates donning the (prayer shawl) from bar age for men, while Sephardic custom delays this until marriage, reflecting differing interpretations of rabbinic sources on ritual maturity. scrolls in Sephardic congregations are typically barrel-shaped for storage, contrasting with the roller-style Ashkenazi etz chaim, a divergence traceable to medieval traditions. Holiday observances vary in detail, such as Sephardic inclusion of additional (penitential prayers) during with distinct melodies, and Ashkenazi precedence of certain piyutim on , though core halachic obligations remain uniform across groups. Hasidic Ashkenazim, despite ethnic Ashkenazi origins, often employ or Ari, a hybrid incorporating Lurianic kabbalistic insertions into the Ashkenazi framework, illustrating intra-ethnic evolution driven by 18th-century mystical revivals rather than geographic separation. These variances, while not altering doctrinal essentials, preserve communal identities through preserved oral and textual mesorot.

Modern distribution and demographics

Europe and the Americas

Jewish communities in , numbering approximately 1.3 million as of 2023, remain predominantly Ashkenazi, stemming from centuries of settlement in Central, Eastern, and parts of prior to , which decimated populations by over 90% in many areas. In countries like the (around 290,000 Jews) and (over 100,000, largely from former immigration), Ashkenazi heritage constitutes the vast majority, with distinct liturgical traditions preserved in surviving synagogues and institutions. However, , home to Europe's largest Jewish population of about 440,000, features a significant Sephardi and Mizrahi component, estimated at over 50% due to mass immigration from North African countries like , , and following in the and ; these groups maintain separate communal organizations and customs alongside Ashkenazi ones. Smaller Sephardi remnants persist in the (from 17th-century Portuguese exiles) and , though they represent minorities amid Ashkenazi dominance elsewhere. In the Americas, Jewish demographics are overwhelmingly Ashkenazi, reflecting massive Eastern European immigration between 1880 and 1924. The , with roughly 5.8 million in 2020, sees about 67% self-identifying as Ashkenazi, 3% as Sephardic, 1% as Mizrahi, and 6% with mixed Ashkenazi-Sephardi/Mizrahi ancestry, though genetic studies indicate broader Ashkenazi lineage prevalence due to historical bottlenecks and intermarriage patterns. Sephardic and Mizrahi subgroups, such as (around 75,000 in New York) or Moroccan communities, form enclaves with distinct rites but integrate into the larger Ashkenazi framework. , with approximately 400,000 , mirrors this Ashkenazi majority, primarily from similar migratory waves. Latin America's Jewish population, totaling about 400,000 across countries like (175,000) and (90,000), is also Ashkenazi-dominated, driven by early 20th-century refugees, though earlier Sephardic arrivals from Iberia and later Middle Eastern (Mizrahi) immigrants from and add diversity in urban centers like and São Paulo. These ethnic divisions influence synagogue affiliations, holiday observances, and social networks, even as assimilation and inter-ethnic marriages erode strict boundaries in secular contexts. Overall, comprise over 80% of the combined European and American Jewish populace, underscoring their demographic hegemony outside and the .

Middle East, North Africa, and Israel

In Israel, Mizrahi Jews, originating from Middle Eastern and North African countries, constitute approximately 45% of the Jewish population, with many descendants of immigrants who arrived between 1948 and the 1970s following expulsions and mass migrations from Arab states. This group includes subgroups such as Iraqi, Yemenite, Moroccan, Tunisian, Persian, and Syrian Jews, who maintain distinct cultural practices, dialects of Judeo-Arabic or Judeo-Persian, and liturgical traditions despite increasing intermarriage with Ashkenazi Jews, which accounts for over 25% of Jewish children born of mixed heritage. The total Jewish population in Israel stood at about 7.43 million as of 2024, with Mizrahi and Sephardic-identifying individuals forming a plurality alongside a comparable proportion of Ashkenazi Jews. Remnant Jewish communities persist in several Middle Eastern countries, primarily among Persian Jews in , numbering around 8,000 to 10,000, who trace their origins to ancient Mesopotamian and Babylonian exiles and continue traditional observances under restrictive conditions. In contrast, populations in , , and have dwindled to negligible levels—fewer than 10 in , about 300 in , and near zero in following the 2021 airlift of the last families amid Houthi threats—reflecting near-total exodus after 1948 pogroms and subsequent persecutions. North African Jewish communities, classified as Maghrebi or part of the broader Mizrahi spectrum, survive in small numbers: hosts about 2,000 Jews, mainly in , preserving Judeo-Berber and Judeo-Arabic customs; has roughly 1,000, concentrated in with its ancient Ghriba synagogue; and each retain only a handful, effectively moribund after post-independence expulsions in the and . These groups, once numbering over 500,000 across the in 1948, now total under 4,000 regionally, with most descendants integrated into Israel's Mizrahi demographic.

Asia and Africa remnants

The Kaifeng Jews trace their origins to Jewish merchants who arrived in China via the Silk Road between the 8th and 10th centuries CE, establishing a community in Kaifeng, Henan province, during the Northern Song dynasty. They constructed a synagogue in 1163 CE, which served as a center for worship until its destruction by floods in the 19th century, after which the community lacked resources to rebuild. Genetic studies indicate Middle Eastern paternal ancestry among descendants, consistent with ancient Jewish migration, though extensive intermarriage with Han Chinese has led to significant assimilation. Today, approximately 500 to 1,000 individuals in identify as descendants of this community, but they hold no official recognition as an ethnic minority from the Chinese government and face restrictions on public Jewish practice, including the removal of Hebrew signs and exhibits from historical sites since 2016. Without rabbis or synagogues, religious observance is minimal, though some maintain private traditions like holiday celebrations; a subset has sought emigration to for cultural revival, but Chinese authorities have denied exit to dozens since 2022. In , remnants of ancient Jewish communities include the and , whose populations have dwindled to fewer than 5,000 total nationwide following mass emigration to after 1948. The , claiming arrival around 70 CE post-Temple destruction, preserved distinct customs like "white" and "black" subgroups based on later Malabari admixture, maintaining about 35 synagogues as heritage sites despite near-total relocation. , self-identifying as descendants of ancient shipwrecked from the 2nd century BCE, integrated Marathi culture while upholding observance until British recognition in the spurred . The of northeastern and assert descent from the biblical , with oral traditions of migration from ancient via around 2,500 years ago; shows some Levantine markers, though halakhic Jewish status remains contested. Approximately 10,000 claim this identity, with over 5,000 having immigrated to since rabbinic recognition in 2005, leaving small practicing groups amid local revival efforts. In , the of and represent a genetic remnant of ancient Jewish male ancestry, with studies in the 1990s and 2000s identifying the Cohen Modal Haplotype—a Y-chromosome marker prevalent among Jewish priestly lineages—in up to 50% of Lemba "priests," suggesting Semitic origins around 2,500 years ago via traders from or . Oral histories describe migration from a "Sena" (possibly Sena in ) and practices like kosher-like dietary rules, male on the eighth day, and avoidance of pork, though maternal lineages are Bantu African and most Lemba today identify as Christian or Muslim with partial Jewish customs. Numbering around 70,000-80,000, the Lemba maintain distinct clans and artifacts like the ngoma lungundu drum, purportedly linked to the , but lack full halakhic conversion or widespread observance, positioning them as an ethnic group with verifiable Semitic paternal heritage rather than a continuous rabbinic Jewish community. Emerging groups like Nigeria's , claiming Israelite tribal descent and numbering tens of thousands since the 20th-century revival, show no comparable ancient genetic evidence and stem from localized messianic movements post-colonialism. These African remnants highlight sporadic ancient dispersals but underscore assimilation and cultural over millennia.

Debates and alternative hypotheses

Khazar conversion theory and genetic refutations

The Khazar conversion theory posits that primarily descend from the , a semi-nomadic Turkic people whose elite reportedly converted to en masse during the 8th to 9th centuries CE in the Khaganate centered in the northern and regions. This hypothesis, popularized by Arthur Koestler's 1976 book , suggests that after the Khazar state's collapse around 965 CE under pressure from Kievan Rus' and others, its converts migrated westward into , forming the basis of Ashkenazi Jewry rather than descent from Judean exiles or migrants from the . Historical records, including sources like those of al-Mas'udi (d. 956 CE) and Ibn al-Faqih, indicate limited conversion among Khazar royalty and nobility, with scant evidence of widespread adoption or subsequent demographic continuity into Jewish populations. Genetic analyses have consistently refuted significant Khazar contributions to Ashkenazi ancestry. A 2013 genome-wide study by et al. examined over 1,000 samples from and relevant comparator populations, finding no elevated similarity to Caucasus groups proximal to ancient Khazaria, such as , , or Dagestanis; instead, Ashkenazi genomes cluster with other Jewish diasporas and show primary admixture from ancient Levantine sources (approximately 50%) and European populations (Southern and Eastern, ~50%), consistent with medieval migrations from the and . Paternal lineages (Y-chromosome haplogroups like J1 and J2) trace predominantly to the , predating the Khazar era by millennia, as demonstrated in et al.'s 2000 analysis of 526 Jewish males, which linked Ashkenazi markers to Cohanim (priestly) lineages originating ~3,000 years ago in the . Mitochondrial DNA (mtDNA) studies further undermine the theory by revealing European maternal origins in ~80% of Ashkenazi lineages, attributable to conversions or unions in early medieval rather than influxes, with no Turkic-specific haplogroups dominant. A study by et al. modeled Ashkenazi admixture events, estimating major European introgression around 600–800 CE—prior to Khazar prominence—and Levantine paternal input aligning with Roman-era dispersals, excluding post-10th-century Khazar migrations as a . Dissenting claims, such as Elhaik's 2013 analysis positing -Iranian proxies for Khazar ancestry, have been critiqued for flawed proxy selection (e.g., using distant from steppe Turkic groups) and failure to replicate in larger datasets; subsequent reviews, including Behar's rebuttal, affirm Levantine-European admixture without signals. Ancient DNA from medieval Erfurt, Germany (2022), sequenced from 33 Ashkenazi individuals dated 11th–13th centuries, confirms two subgroups with shared Levantine ancestry and Eastern European admixture, but no Turkic or Caucasus-specific components beyond trace noise. These findings align with linguistic evidence—Yiddish's Germanic-Slavic base with Hebrew-Aramaic substrate, absent Turkic elements—and archaeological gaps in Khazar-Jewish continuity, rendering the theory incompatible with multidisciplinary . While invoked in some political discourses to challenge Ashkenazi indigeneity to the , the lacks empirical support from , which prioritize testable ancestry over speculative migrations.

Implications for ethnic identity and indigeneity

Genetic studies of diverse Jewish populations, including Ashkenazi, Sephardi, Mizrahi, and Yemenite groups, consistently demonstrate a shared autosomal and uniparental genetic ancestry originating from ancient Levantine populations, with admixture levels varying by history but not exceeding 50% from local non-Jewish sources in most cases. This continuity arises from historical and population bottlenecks, which preserved core markers linking modern to and inhabitants of the region, as evidenced by Y-chromosome haplogroups like J1 and E1b1b predominant in both ancient Canaanite samples and contemporary Jewish cohorts. These findings imply that Jewish ethnic divisions represent adaptive subgroups within a unified ethnos, rather than independent ethnicities; cultural and linguistic divergences, such as Yiddish among Ashkenazim or Judeo-Arabic among Mizrahim, overlay a genetic fabric that clusters Jews distinctly from host populations, reinforcing a collective identity rooted in ancient Israelite origins despite centuries of dispersion. Founder effects, documented in studies of Ashkenazi populations with effective sizes as low as 350 individuals around 600-800 CE, further concentrated shared alleles, enhancing intragroup cohesion and distinguishing Jewish genetics from surrounding Europeans or Arabs. Such patterns challenge views reducing Jewishness to mere religious affiliation, affirming it as a biologically continuous ethnicity with subethnic variations. In terms of indigeneity, the retention of Levantine ancestry—estimated at 40-60% in Ashkenazim and higher in Oriental Jews—validates Jewish historical claims to the as descendants of its pre-exilic inhabitants, countering assertions of as exogenous settlers by highlighting genetic proximity to ancient Judeans over local Levantine non- like , who show greater Arab admixture post-7th century conquests. Medieval Ashkenazi genomes from sites like , (circa 12th-14th centuries), exhibit subgroups with minimal Eastern European input, underscoring early fidelity to source populations and bolstering evidentiary support for indigenous continuity amid exiles documented in Roman records from 70 CE and 135 CE. This genetic record thus informs legal and political discourses on Jewish self-determination, prioritizing empirical descent over narrative reinterpretations that downplay pre-diaspora ties.

References

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