Average IQ by Country

Scientists have been comparing IQ across countries since the 1970s. Average scores are influenced by nutrition quality, education, healthcare, and testing methodology.

Research data

CountryAverage IQ
Japan106
Germany102
UK100
USA98
Russia99
Ukraine97
Kazakhstan94

Based on Lynn & Vanhanen (2012). Approximate figures.

Important caveat

These numbers are not a measure of a nation's "smartness." The spread within any country (85–115) is far greater than differences between countries.

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