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Demographics of Tokyo
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Demographics of Tokyo
The demography of Tokyo is analysed by the Tokyo Metropolitan Government and data is produced for each of the Special wards of Tokyo, the Western Tokyo and the Tokyo Islands, and for all of Tokyo prefecture as a whole. Statistical information is produced about the size and geographical breakdown of the population, the number of people entering and leaving country and the number of people in each demographic subgroup. As of 2025, the total population of Tokyo is 14,195,730 and had the largest population (11.5 percent of the total population).
Emperor Meiji was brought from Kyoto to lead the Meiji Restoration, which formed a new imperial government. The population reached two million in 1905. Tokyo's population continued to grow from 3.7 million in 1920, when the first census was taken, to 4,48 million in 1925. In 1923, the Great Kanto earthquake caused 75% of all buildings suffered severe structural damage. Although 2% to 3% of the population were killed the population still grew. The Population reached 7.35 million in 1940, but fell during World War II to 3.49 million in 1945.
In the postwar era and an increase in the number of births due to the first baby boom, the population rapidly increased from 3.49 million to 6.28 million between 1945 and 1950, and continued to grow thereafter, although the rate of increase slowed, until it reached 11.67 million in 1975. The population remained almost flat from 1975 to 1995, but then began to increase, reaching 13.16 million in 2010.
Internal migration to Tokyo has steadily increased since 2022 following a brief slowdown during the COVID-19 pandemic. The trend resumed after the pandemic.
The number of births in Tokyo peaked in the post-war period at 240,000 in 1967, remaining at around 230,000 until 1973, after which it began to decline, remaining at around 100,000 since 1989. Meanwhile, the number of deaths has been on a gradual increase since 1956, reaching a post-war high of 110,000 in 2013. Looking at the trends in natural increase/decrease (births - deaths), with the exception of 1945, the number of births has consistently exceeded the number of deaths since 1920, but the natural increase has shrunk since peaking in 1967, and in 2012 the number of deaths exceeded the number of births for the first time since the war.
Source: Tokyo Metropolitan Government
Influx of single women has been driving Tokyo birth rate to lowest in Japan, since the high cost of living is a deterrent to marriage and childbearing. The total fertility rate for 2023 was 0.99 in Tokyo, the only prefecture in Japan that did not reach 1.00
Foreign population in Tokyo (as of January 1 of each year)
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Demographics of Tokyo AI simulator
(@Demographics of Tokyo_simulator)
Demographics of Tokyo
The demography of Tokyo is analysed by the Tokyo Metropolitan Government and data is produced for each of the Special wards of Tokyo, the Western Tokyo and the Tokyo Islands, and for all of Tokyo prefecture as a whole. Statistical information is produced about the size and geographical breakdown of the population, the number of people entering and leaving country and the number of people in each demographic subgroup. As of 2025, the total population of Tokyo is 14,195,730 and had the largest population (11.5 percent of the total population).
Emperor Meiji was brought from Kyoto to lead the Meiji Restoration, which formed a new imperial government. The population reached two million in 1905. Tokyo's population continued to grow from 3.7 million in 1920, when the first census was taken, to 4,48 million in 1925. In 1923, the Great Kanto earthquake caused 75% of all buildings suffered severe structural damage. Although 2% to 3% of the population were killed the population still grew. The Population reached 7.35 million in 1940, but fell during World War II to 3.49 million in 1945.
In the postwar era and an increase in the number of births due to the first baby boom, the population rapidly increased from 3.49 million to 6.28 million between 1945 and 1950, and continued to grow thereafter, although the rate of increase slowed, until it reached 11.67 million in 1975. The population remained almost flat from 1975 to 1995, but then began to increase, reaching 13.16 million in 2010.
Internal migration to Tokyo has steadily increased since 2022 following a brief slowdown during the COVID-19 pandemic. The trend resumed after the pandemic.
The number of births in Tokyo peaked in the post-war period at 240,000 in 1967, remaining at around 230,000 until 1973, after which it began to decline, remaining at around 100,000 since 1989. Meanwhile, the number of deaths has been on a gradual increase since 1956, reaching a post-war high of 110,000 in 2013. Looking at the trends in natural increase/decrease (births - deaths), with the exception of 1945, the number of births has consistently exceeded the number of deaths since 1920, but the natural increase has shrunk since peaking in 1967, and in 2012 the number of deaths exceeded the number of births for the first time since the war.
Source: Tokyo Metropolitan Government
Influx of single women has been driving Tokyo birth rate to lowest in Japan, since the high cost of living is a deterrent to marriage and childbearing. The total fertility rate for 2023 was 0.99 in Tokyo, the only prefecture in Japan that did not reach 1.00
Foreign population in Tokyo (as of January 1 of each year)
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