If you search for the highest IQ on record, you will likely encounter the number 228, attributed to columnist Marilyn vos Savant, or the number 230, attributed to mathematician Terence Tao. However, ...

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Global IQ rankings often get a lot of attention because they try to compare average cognitive test scores across different countries. The 2026 dataset shows some clear shifts in a few nations, with ...

One of the biggest changes this year is Australia moving up to fifth place. It has seen one of the greatest improvements among the top countries.