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Enlightenment Now
View on WikipediaEnlightenment Now: The Case for Reason, Science, Humanism, and Progress is a 2018 book written by Canadian-American cognitive scientist Steven Pinker. It argues that the Enlightenment values of reason, science, and humanism have brought progress, and that health, prosperity, safety, peace, and happiness have tended to rise worldwide. It is a follow-up to Pinker's 2011 book, The Better Angels of Our Nature.
Key Information
Thesis
[edit]A commonly held lay public perception holds that the world is in terrible shape; for some, 2016 was the "worst year ever"[citation needed] and the year that liberalism died. In contrast, Pinker argues that life has been getting better for most people. He sets out 15 different measures of human wellbeing to support this argument, with the most obvious being the uncontroversial fact that, statistically, people live longer and healthier lives on average than ever before. As another example, while fears of terrorism are often voiced in U.S. opinion polls, Pinker shows that an American is 3,000 times more likely to die in an accident than in a terrorist attack.[1] As in Pinker's previous The Better Angels of Our Nature, Pinker ascribes modern improvements to trends of liberal humanism and scientific rationality that first took root in Europe around the 17th and 18th centuries.[2]
Pinker argues that economic inequality "is not itself a dimension of human wellbeing" and cites a study that finds inequality is not linked to unhappiness, at least in poorer societies. He also points out that the world as a whole is becoming more equal, and states that even within increasingly unequal areas, the poor are still getting wealth and benefit from technological innovations. For example, it is clear to Pinker that an innovation that makes the poor slightly richer and the rich massively richer is a positive rather than a negative achievement. In contrast, critics hold that enhancing social mobility and combating "inequality as a result of unfairness" are important legitimate ends in and of themselves, beyond any effects of reducing poverty.[2][1][3]
On topics such as nuclear weaponry, Pinker places the blame on anti-Enlightenment forces. Scientists working on the Manhattan Project to develop the first nuclear weapons did so because they needed to beat Hitler; Pinker states "Quite possibly, had there been no Nazis, there would be no nukes." In contrast, critics point out that science lacks any ethical logic of its own. They argue that scientific progress is liberating but also threatening, and can present dangers precisely because of how hugely it expands human power.[2] Pinker expresses concerns about potential human extinction from nuclear weapons or from global warming, but categorizes existential risks overall as a "useless category", stating that "Sowing fear about hypothetical disasters, far from safeguarding the future of humanity, can endanger it". In particular, Pinker departs from scholars such as Nick Bostrom regarding the possibility of accidental existential risk from artificial general intelligence, and makes a controversial[citation needed] argument that self-driving cars provide evidence that artificial general intelligence will pose no accidental existential risk.[4][5]
The book concludes with three chapters defending what Pinker sees as Enlightenment values: reason, science, and humanism.[6] Pinker argues that these values are under threat from modern trends such as religious fundamentalism, political correctness, and postmodernism.[7] In an interview about the book published in Scientific American, Pinker has clarified that his book is not merely an expression of hope—it is a documentation of how much we have gained as a result of Enlightenment values, and how much we have to lose if those values are abandoned.[8]
Marketing
[edit]In January 2018 Bill Gates tweeted praise for Enlightenment Now, calling it "my new favorite book". Gates stated he agreed overall with the techno-optimism of the book, but cautioned that Pinker is too "quick to dismiss" the idea that artificial superintelligence could someday lead to human extinction. Citing reader interest due to Gates' endorsement, Viking Press moved the publication date from 27 February 2018 to 13 February 2018.[9][10]
Reception
[edit]Positive
[edit]Publishers Weekly gave the book a glowing review, concluding that "In an era of increasingly 'dystopian rhetoric,' Pinker’s sober, lucid, and meticulously researched vision of human progress is heartening and important."[11] The Times also gave the book a positive review, stating that Pinker's arguments and evidence are "as entertaining as they are important", and expressing hope that Pinker's defense of the forces that have produced progress will be successful.[12]
The New York Times described the book as "an excellent book, lucidly written, timely, rich in data and eloquent in its championing of a rational humanism that is — it turns out — really quite cool."[13] The Economist agreed with Pinker that "barring a cataclysmic asteroid strike or nuclear war, it is likely that (the world) will continue to get better".[14] Timothy Sandefur, writing for The Objective Standard, praised the book, noting, "Pinker's catalog of improvements is enjoyable, largely thanks to his witty style and skill at examining progress in unexpected ways."[15]
In Skeptical Inquirer Kendrick Frazier concurs that Pinker "argues [his] case eloquently and ... effectively, drawing on both the demographic data and our improved understanding of human biases that get in our way of seeing the truth."[16] In Nature, Ian Goldin wrote that Pinker should have focused more on future risks, although Pinker did devote a chapter to existential threats, and concludes with "But for the many overwhelmed by gloom, it is a welcome antidote."[17] A review in the London Evening Standard agrees with Pinker's summary of how rationality has improved the world, and states "On Islamism, where his optimism falters, we have the interesting phenomenon of Muslim youth — not least in countries like Afghanistan — becoming less liberal than their parents"[18] although they do not provide a source for this claim.
John P. Tang, writing in The Journal of Economic History, stated that Pinker demonstrates that "humanity has never had it so good, things until recently were much worse, and life will likely continue to improve." He stated the book provides an "empirical and quantitative approach to the topic, perhaps to the chagrin of humanities scholars, but consistent with current scholarship in the social sciences and economic history." He critiqued the book for its reliance on utilitarianism due to its practical difficulties, and for not convincingly demonstrating that it was the Enlightenment that caused the trends Pinker identifies.[19]
Negative
[edit]Kirkus Reviews called it "overstuffed", and noted though Pinker is progressive, "the academically orthodox will find him an apostate".[7] The Guardian and The Financial Times dismissed Pinker's contention that the left is partly to blame for anti-reason rhetoric and objected to Pinker's criticism of groups such as postmodernists, de-growth environmentalists, and people whom Pinker deems to be "social justice warriors".[1][2] British philosopher John Gray criticized Pinker as promoting scientism and discussed historical examples of strong desire for human progress leading to the misuse of science for immoral policies. Gray also argued that Pinker had misunderstood Friedrich Nietzsche.[20]
Some reviewers disagreed with Pinker's quantitative approach to assessing progress. Booklist stated that "(Pinker's) seemingly casual dismissal of ethics concerns surrounding the Tuskegee experiment is troubling to say the least."[21] Pinker had written that the Tuskegee experiment "was patently unethical by today’s standards, though it’s often misreported to pile up the indictment," and when properly reported, "when the study began, it may even have been defensible by the standards of the day."
Political scientist Nicolas Guilhot sharply criticizes the book for what he sees as "finessed statistics" marshaled in service of preconceived conclusions, and for being "one inch deep". He concludes: "Much of what Pinker writes about the humanities would be a comical caricature if it did not represent a coherent ideological offensive that is reshaping higher education and research."[22]
In the Los Angeles Review of Books, Stanford University historian Jessica Riskin summarizes the book as "a knot of Orwellian contradictions". She states that Pinker believes that skepticism is a negative influence on society, and objects that the very Enlightenment heroes Pinker praises, such as Immanuel Kant, David Hume, Denis Diderot and Adam Smith, were all advocates of skepticism. She concludes, "What we need in this time of political, environmental, and cultural crisis is precisely the value Pinker rejects but that his Enlightenment heroes embraced, whatever their differences of opinion on other matters: skepticism, and an attendant spirit of informed criticism."[23]
Anthropologist and archeologist David Graeber and David Wengrow, respectively, criticized Pinker as a "modern psychologist making it up as he goes along," citing archeological evidence that falsify his claims, as well as criticizing his statistical analysis as wrongheaded.[24]
Enlightenment historian David Bell claimed that Pinker's characterization of the Enlightenment was problematic and oversimplified. Bell criticized his monolithic characterization of the historical movement, as well as his lack of engagement with Rousseau. Bell also notes Pinker's citation of sources he believes are unreliable, such as his extensive references to The Idea of Decline in Western History by Arthur Herman, whom he describes as a far-right author.[25]
Susan D. Healy criticizes Steven Pinker's assertion that enlightenment have made humans today much more intelligent than our ancestors with the same biological hardwiring on evolutionary grounds, arguing that it would have been a waste of nutrients which evolution would have selected against for our ancestors to have capacity for vastly more intelligence than they could use in their environment. It is cited by Healy that the brain capacity of different animals is predicted by the food that was available to their ancestors when their biological hardwiring evolved, not by changes of living standards too recent to have shaped them through natural selection. The apparent rise in IQ scores is explained by Healy as an artifact of forced rules that demand that IQ tests have normally distributed outcomes and systematically leave out tests that give outcomes that are not normally distributed, a bias that is argued to be a purely negative influence on the scientific usefulness of the results comparable to introducing a noise generator and leaving out signal bands.[26]
Deborah Deliyannis, Hendrik Dey and Paolo Squatriti argue that Steven Pinker's claims that people today are better at inventing than people were in the past and that today's society is better at helping potential inventors ignore the increase in population, citing that there were so many inventions made in antiquity and medieval times despite the much lower population that invention rates per capita were actually at least as high as they are today, if not higher. This is cited as an argument not only against the claim that education have increased people's ability to invent, but also against the claim that creative people who would be diagnosed with various neuropsychiatric diagnoses today get better help that helps them invent today and were mistreated so badly it prevented them from inventing in the past when they were not diagnosed. The claim that free enterprise promoted invention that was suppressed by feudal guilds, slavery and serfdom is criticized on the same grounds.[27]
References
[edit]- ^ a b c "Is the world getting better or worse?". Financial Times. 14 February 2018. Retrieved 16 February 2018.
- ^ a b c d Davies, William (14 February 2018). "Enlightenment Now by Steven Pinker review – life is getting better". the Guardian. Retrieved 16 February 2018.
- ^ Anthony, Andrew (11 February 2018). "Steven Pinker: 'The way to deal with pollution is not to rail against consumption'". the Guardian. Retrieved 16 February 2018.
- ^ "Could science destroy the world? These scholars want to save us from a modern-day Frankenstein". Science | AAAS. 8 January 2018. Retrieved 29 July 2018.
- ^ Clifford, Catherine (1 March 2018). "Elon Musk responds to Harvard professor Steven Pinker's comments on A.I." CNBC. Retrieved 29 July 2018.
- ^ Can Science Justify Itself? Ada Palmer. Harvard Magazine, March–April 2018.
- ^ a b ENLIGHTENMENT NOW: The Case for Reason, Science, Humanism, and Progress. (2017). Kirkus Reviews, 85(24), 1.
- ^ The Secret behind One of the Greatest Success Stories in All of History. Gareth Cook. Scientific American, February 15, 2018.
- ^ Berger, Sarah (29 January 2018). "Bill Gates' new 'favorite book of all time'—and how you can download a free chapter". CNBC. Retrieved 16 February 2018.
- ^ Ha, Thu-Huong (2018). "Bill Gates has just read his "favorite book of all time"". Quartz. Retrieved 16 February 2018.
- ^ "Enlightenment Now: The Case for Reason, Science, Humanism, and Progress". (2018). Publishers Weekly, (51). 157.
- ^ Aaronovitch, David. "Enlightenment Now by Steven Pinker — don't believe the false doom-mongers". The Times, February 17, 2018.
- ^ "Steven Pinker Continues to See the Glass Half Full". New York Times. 2018. Retrieved 3 March 2018.
- ^ "Stephen Pinker's case for optimism". The Economist. 2018. Retrieved 23 February 2018.
- ^ "Enlightenment Now: The Case for Reason, Science, Humanism, and Progress by Steven Pinker". The Objective Standard. 2019-04-17. Retrieved 2021-04-29.
- ^ Frazier, Kendrick (May–June 2018). "Why We Can't Acknowledge Progress". Skeptical Inquirer. 42 (3): 4.
- ^ Goldin, Ian (16 February 2018). "The limitations of Steven Pinker's optimism". Nature. 554 (7693): 420–422. Bibcode:2018Natur.554..420G. doi:10.1038/d41586-018-02148-1. PMID 32094943.
- ^ McDonagh, Melanie. "Enlightenment Now by Steven Pinker - review: 'The human condition is a little more complex than Mr Cheerful makes out'" Evening Standard, February 15, 2018.
- ^ Tang, John P. (2019). "Enlightenment Now: The Case for Reason, Science, Humanism and Progress. By Steven Pinker. London: Allen Lane, 2018. Pp. xvii, 556. £25, hardcover". The Journal of Economic History. 79 (1): 315–318. doi:10.1017/S0022050718000852. ISSN 0022-0507. S2CID 159350740.
- ^ Gray, John (22 February 2018). "Unenlightened thinking: Steven Pinker's embarrassing new book is a feeble sermon for rattled liberals". www.newstatesman.com. Retrieved 2019-05-09.
- ^ Mondor, C. (2018). Enlightenment Now: The Case for Reason, Science, Humanism, and Progress. Booklist, (9-10). 20.
- ^ Guilhot, Nicolas (4 July 2018). "H-Diplo Commentary 1 on Enlightenment Now: The Case for Reason, Science, Humanism, and Progress". H-Net. Retrieved 19 November 2020.
- ^ Riskin, Jessica (December 15, 2019). "Pinker's Pollyannish Philosophy and Its Perfidious Politics". Los Angeles Review of Books. Retrieved December 29, 2019.
- ^ David., Graeber (2021). The Dawn of Everything A New History of Humanity. McClelland & Stewart. ISBN 978-0-7710-4983-5. OCLC 1287138808.
- ^ Bell, David A. (2018-03-07). "Waiting for Steven Pinker's Enlightenment". ISSN 0027-8378. Retrieved 2022-02-20.
- ^ Susan D. Healy (March 9, 2021) "Adaptation and the Brain"
- ^ Deborah Deliyannis, Hendrik Dey, Paolo Squatriti (March 15, 2019) "Fifty Early Medieval Things: Materials of Culture in Late Antiquity and the Early Middle Ages"
External links
[edit]Enlightenment Now
View on GrokipediaPublication and Context
Publication Details
Enlightenment Now: The Case for Reason, Science, Humanism, and Progress was first published in hardcover on February 13, 2018, by Viking, an imprint of Penguin Random House.[3] The initial edition measures 6.44 x 1.66 x 9.54 inches and carries ISBN-10 0525427570 and ISBN-13 978-0525427575.[3] A paperback edition appeared on January 15, 2019, from Penguin Books, with ISBN-13 978-0143111382, 576 pages, and dimensions of 5.40 x 8.20 x 1.40 inches.[8] An unabridged audiobook, narrated by Arthur Morey, was issued by Penguin Random House Audio in 2018, spanning 16 audio CDs.[1] The book has seen international releases, including a Portuguese translation by Companhia das Letras on September 6, 2018, in paperback format with 664 pages.[1] A UK edition was published by Allen Lane (Penguin) with ISBN-13 978-0141979090.[9]Author's Background and Motivations
Steven Pinker, born on September 18, 1954, in Montreal, Quebec, Canada, to Jewish parents who were engineers, grew up in a secular household that emphasized intellectual curiosity and skepticism toward dogma.[10] He earned a Bachelor of Arts in psychology from McGill University in 1976 and a PhD in experimental psychology from Harvard University in 1979, focusing initially on visual cognition and psycholinguistics.[10] [11] Early in his career, Pinker served as an assistant professor at Harvard from 1980 to 1981, followed by positions at Stanford University (1981–1982) and the Massachusetts Institute of Technology (MIT), where he advanced to full professor in 1989.[11] He returned to Harvard in 2003 as the Johnstone Family Professor of Psychology, a role he continues to hold, conducting research on language acquisition, the modularity of mind, and evolutionary influences on human behavior.[12] Pinker's academic output includes over a dozen books, such as The Language Instinct (1994), which popularized computational theories of language, and The Blank Slate (2002), which critiqued nurture-over-nature dogmas in social sciences using evidence from genetics and cognitive science.[13] Pinker’s scholarly work has consistently emphasized empirical evidence and rational inquiry, often challenging prevailing ideological narratives in psychology and linguistics, such as extreme behaviorism or cultural relativism, by drawing on cross-disciplinary data from neuroscience, anthropology, and statistics.[12] His 2011 book The Better Angels of Our Nature argued, through historical data analysis, that violence has declined globally due to institutional and cultural shifts favoring reason and self-control, laying groundwork for his later defenses of progress.[13] This empirical focus stems from Pinker’s training in experimental methods and his advocacy for evolutionary psychology, which posits that human cognition evolved adaptive mechanisms testable via observation and modeling, rather than unverified assumptions.[12] Pinker wrote Enlightenment Now (published February 13, 2018, by Viking) to systematically demonstrate, using metrics like life expectancy, poverty rates, literacy, and homicide statistics, that human conditions have improved dramatically since the 18th-century Enlightenment, attributing this to principles of reason, science, and humanism.[2] Motivated by widespread pessimism in media and intellectual circles—despite data showing reductions in child mortality from 43% in 1800 to under 4% by 2015, and global extreme poverty falling from 90% in 1820 to 10% in 2015—he sought to counter declinist views from both populist right-wing sources decrying moral decay and left-leaning critics emphasizing inequality or environmental risks without acknowledging baseline gains.[14] [2] In the book’s preface and interviews, Pinker expressed frustration with "progress denial," arguing that rejecting evidence of advancement undermines solutions to remaining challenges, as it erodes commitment to the very tools—scientific innovation and institutional reform—that drove verifiable improvements like the eradication of smallpox in 1980 and a 95% drop in battle deaths per capita since 1945.[15] [14] He positioned the work as an extension of Enlightenment thinkers like Locke and Condorcet, urging renewed adherence to these ideals amid rising anti-rationalist trends, while acknowledging critics' points on issues like climate change but insisting on data-calibrated responses over fatalism.[16]Core Thesis and Arguments
Definition of Enlightenment Ideals
In Enlightenment Now: The Case for Reason, Science, Humanism, and Progress (2018), Steven Pinker identifies the core Enlightenment ideals as reason, science, and humanism, arguing that their systematic application has yielded measurable advancements in human welfare since the 18th century.[2] These principles emerged from thinkers like John Locke, David Hume, and Adam Smith, who emphasized empirical inquiry over religious dogma and monarchical authority, fostering institutions such as markets, universities, and constitutional governments that prioritize evidence-based governance.[17] Reason refers to the disciplined use of logic, evidence, and probabilistic thinking to navigate reality, countering innate cognitive biases such as confirmation bias and availability heuristic, as detailed in Daniel Kahneman's Thinking, Fast and Slow (2011).[17] Pinker contends that reason enables individuals and societies to make predictions, test hypotheses, and depoliticize disputes, as evidenced by its role in reducing fallacies in policy debates from public health to economics; for instance, rational analysis contributed to the decline of pseudoscientific practices like bloodletting by the mid-19th century through adherence to controlled trials.[17] Science embodies the Enlightenment commitment to discovering the universe's causal laws via falsifiable experimentation and cumulative knowledge-building, distinguishing it from anecdotal or ideological assertions.[17] Pinker highlights its achievements, including the eradication of smallpox in 1980 through vaccination campaigns grounded in Edward Jenner's 1796 empirical methods, and defends it against critiques linking technological progress to ethical lapses, insisting that science's integration with humanistic values amplifies benefits while mitigating harms.[17] Humanism constitutes a non-theistic moral framework centered on maximizing sentient well-being—encompassing longevity, health, prosperity, knowledge, safety, peace, freedom, and meaningful experience—without reliance on supernatural justification or sacrificial ideologies.[17][18] Pinker describes it as deriving value from empirical improvements in human lives, exemplified by the global literacy rate rising from 12% in 1820 to 86% by 2015, and articulates its credo: "Abundance is better than poverty. Peace is better than war. Safety is better than danger. Freedom is better than tyranny. Equal rights are better than bigotry and privilege."[19] These ideals interconnect, with reason and science providing tools for progress and humanism directing their ethical orientation against countervailing forces like tribalism and authoritarianism.[2]Causal Mechanisms of Progress
Steven Pinker attributes the observed improvements in human well-being to the Enlightenment triad of reason, science, and humanism, which together form a causal engine for progress by enabling problem-solving, empirical discovery, and a focus on individual flourishing.[2] Reason counters cognitive biases and tribalism through critical thinking and institutional design, such as markets that harness self-interest for collective gain via the extended order of trade and specialization.[17] Science provides the evidentiary foundation, yielding innovations like the Haber-Bosch process for synthetic fertilizer, which averted famines and supported population growth from 1.6 billion in 1900 to over 7 billion today without proportional increases in starvation. Humanism, emphasizing human welfare over supernatural or authoritarian dictates, prioritizes metrics like longevity and prosperity, fostering norms against violence and discrimination that have expanded rights and reduced practices such as slavery and dueling.[2] These mechanisms operate through interlocking institutions and processes. Free markets and property rights, informed by reason, have driven exponential economic growth, with global GDP per capita rising approximately 20-fold since 1820 due to innovation incentives and trade liberalization. Democratic governance, embodying humanistic equality and rational deliberation, correlates with peace by institutionalizing the monopoly on legitimate violence (the Leviathan state) and promoting cosmopolitan ties that deter war, as evidenced by the absence of great-power conflicts since 1945. Scientific feedback loops—measuring outcomes, testing hypotheses, and iterating solutions—underpin advances in health, such as vaccines eradicating smallpox in 1980 and reducing child mortality from 43% in 1800 to under 4% globally by 2020. Pinker describes progress as a virtuous cycle sustained by these elements: data collection reveals problems, reason critiques failed policies, science innovates remedies, and humanism evaluates against welfare standards, preventing backsliding. For instance, the Green Revolution's high-yield crops, developed through scientific breeding and distributed via market mechanisms, lifted over a billion from extreme poverty between 1960 and 2000. This contrasts with stagnant or regressive eras dominated by dogma or coercion, underscoring the causal role of open inquiry over fatalism.[17] While acknowledging risks like technological misuse, Pinker maintains that doubling down on these mechanisms—via education in rationality and evidence-based policy—offers the best path to continued gains, rather than nostalgia for pre-modern conditions.[2]Empirical Evidence of Progress
Metrics in Health and Longevity
Global life expectancy at birth has increased substantially over the past century, rising from approximately 31 years in 1900 to 73.3 years in 2024, reflecting advancements in public health, nutrition, and medical interventions.[20] This progress accelerated post-1950, with global averages climbing from 46.5 years in 1950 to 66.8 years by 2000, before further gains to 73.1 years in 2019, though temporarily reversed by 1.8 years during the COVID-19 pandemic peak in 2020-2021 due to excess mortality.[21] [22] Healthy life expectancy, which measures years lived in good health, followed a similar trajectory, advancing from 58.1 years in 2000 to 61.9 years by recent estimates.[23] Child mortality rates have plummeted, with the global under-5 mortality rate declining by 59% from 93 deaths per 1,000 live births in 1990 to 37 in 2023, averting an estimated 55 million child deaths over the past two decades through expanded vaccination, improved sanitation, and antipoverty measures.[24] Neonatal mortality, concentrated in the first month of life, fell from 5.0 million deaths in 1990 to 2.3 million in 2022, though it accounts for nearly half of under-5 deaths and remains highest in low-income regions.[25] These reductions are corroborated by World Bank data tracking infant mortality per 1,000 live births, which show consistent global drops tied to interventions like oral rehydration therapy and insecticide-treated nets against malaria.[26] Infectious disease control exemplifies causal progress, with smallpox—the only human disease eradicated—eliminated worldwide by 1980 after a WHO-led vaccination campaign that prevented over 300 million deaths in the 20th century alone.[27] [28] Vaccination coverage has since expanded, reducing measles deaths by 73% from 2000 to 2018 before setbacks, while polio cases dropped 99% since 1988 through global immunization efforts.[29] Maternal mortality ratios have decreased globally by about 40% since 2000, from higher baselines to 223 deaths per 100,000 live births by 2020, with total annual deaths falling to 260,000 in 2023, primarily through better obstetric care, family planning, and hypertension management in low-resource settings.[30] [31] Progress stalled in some regions post-2015 due to conflicts and pandemics, but long-term trends link declines to female education and healthcare access.[32]| Metric | 1990/2000 Value | Recent Value (2022/2023) | Decline |
|---|---|---|---|
| Under-5 Mortality Rate (per 1,000 live births) | 93 (1990) | 37 (2023) | 59%[24] |
| Neonatal Deaths (millions) | 5.0 (1990) | 2.3 (2022) | 54%[25] |
| Maternal Deaths (annual, thousands) | ~546 (1990 est.) | 260 (2023) | ~52%[33] [34] |
| Global Undernourishment Prevalence | 15% (2000-2002) | 8.2% (2024) | ~45%[35] [36] |
Metrics in Prosperity and Knowledge
The share of the global population living in extreme poverty, defined by the World Bank as less than $2.15 per day in 2017 purchasing power parity terms, declined from 42.2% in 1981 to 8.5% in 2023, reflecting a reduction of over 1.1 billion people in absolute terms despite population growth.[39] This trend accelerated post-1990, with the number of people in extreme poverty halving by 2015, driven primarily by economic liberalization in Asia, particularly China and India, though recent revisions to poverty lines have slightly moderated the reported declines for earlier decades.[40] Global GDP per capita, adjusted for inflation and purchasing power, rose from approximately $6,500 in 1990 to over $18,000 in 2023 (in 2017 international dollars), representing an average annual growth rate of about 2%, with accelerations in emerging markets contributing to broader income convergence.| Year | Extreme Poverty Rate (%) | Global GDP per Capita (2017 intl. $) |
|---|---|---|
| 1981 | 42.2 | ~7,500 |
| 2000 | 28.8 | ~9,000 |
| 2015 | 10.1 | ~13,000 |
| 2023 | 8.5 | ~18,000 |
