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Smartest Countries Ranked IQ List

Ranked list of countries by average IQ from International IQ Test 2026. South Korea leads at 106.97, followed by China (106.48) and Japan (106.30). Iran is fourth with 104.80, Australia fifth at 104.45, Russia sixth at 103.78, Singapore seventh at 103.56, Mongolia eighth at 102.61, New Zealand ninth at 102.35, Vietnam tenth at 102.26. Spain holds eleventh place with 102.24, Cyprus twelfth at 102.12, Canada thirteenth at 102.09, United Kingdom fourteenth at 101.57, Sri Lanka fifteenth at 101.22, Slovenia sixteenth at 101.15, Belarus seventeenth at 101.05, United States eighteenth at 101.04, Albania nineteenth at 101.00. The data continues with Switzerland, Georgia, Italy, Netherlands, Peru, and Hungary.

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Writersroom Boardwalk@writersroom.boardwalk

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Smartest Countries Ranked IQ List

Ranked list of countries by average IQ from International IQ Test 2026. South Korea leads at 106.97, followed by China (106.48) and Japan (106.30). Iran is fourth with 104.80, Australia fifth at 104.45, Russia sixth at 103.78, Singapore seventh at 103.56, Mongolia eighth at 102.61, New Zealand ninth at 102.35, Vietnam tenth at 102.26. Spain holds eleventh place with 102.24, Cyprus twelfth at 102.12, Canada thirteenth at 102.09, United Kingdom fourteenth at 101.57, Sri Lanka fifteenth at 101.22, Slovenia sixteenth at 101.15, Belarus seventeenth at 101.05, United States eighteenth at 101.04, Albania nineteenth at 101.00. The data continues with Switzerland, Georgia, Italy, Netherlands, Peru, and Hungary.

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