Updated National IQ estimates (2025):

- Five highest IQ countries worldwide: Singapore (109), Japan (106), Taiwan (105), South Korea (104), and Estonia (102).

- Contrary to prior overestimates, China's average IQ is 100, on par with the Netherlands.

- Despite massive third world immigration, the average IQ in Western countries ranges from 95 to 100.

- Average IQ in the vast majority of Sub-Saharan African countries is between 65 and 75.

- "A strong correlation between IQ and GDP per capita was observed (r = .82)"

National IQs: measurement and defense, Parra & Kirkegaard (2025) (https://openpsych.net/files/papers/Parra_2025a.pdf)

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According to actual accomplishments instead of test scores, Murray (Human Accomplishment) found that people of European descent were responsible for an astonishing 97%+ of great figures and discoveries in the arts and sciences.

Yes, that's the name: Murray. I couldn't think of his name until you reminded me. Thanks! I sometimes bring up that fact of European accomplishment when I talk to people, but I neglect to mention the source is Charles Murray. The full title is certainly a mouthful: “Human Accomplishment: The Pursuit of Excellence in the Arts and Sciences, 800 B.C. to 1950.”

Ha, yes -- the first two words of the title are sufficient!