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IQ Science

How Average IQ Varies Across 200+ Countries: What the Data Actually Shows

April 6^th, 2026

National IQ averages vary dramatically, but the data is more contested than most sources admit. Here's what the science shows, and what it means for you.

16 min•Read more

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Flynn Effect Resources & Guides

How Average IQ Varies Across 200+ Countries: What the Data Actually Shows

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