Average IQ by Year in 10 Select Countries, 2023-2026
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First published: Monday January 5th, 2026
First published: Monday January 5th, 2026
Is the world getting smarter... or dumber? This chart shows the average IQ results among 10 chosen countries according to millions of participants taking the International IQ Test from 2022-5. Keep in mind that results may not be 100% accurate.
2023-5 data accessed via the Wayback Machine. 2026 data accessed via the International IQ Test website.
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