TOP Countries by IQ
This video shows the Top 50 countries/territories by average intelligence quotient (IQ).
Score 90 to 109 is the 50 % percentile.
IQ classifications:
180- Genius <0.01%
160-179 Almost genius 0.01%
145-159 Very gifted 0.1%
130-144 Gifted 2.3%
120-129 Moderately gifted 6.7%
110-119 Above average 16.1%
90-109 Average intelligence 50.0%
85-89 Below average 16.1%
70-84 Borderline intellectual functioning 2.3%
50-69 Mild intellectual disability 2.3%
35-49 Moderate intellectual disability 1.0%
20-34 Severe intellectual disability 0.5%
-20 Profound intellectual disability <0.1%
Sources: Hunt, Earl. Human Intelligence. Cambridge University Press, HBEA Statement on National IQ Datasets, European Human Behaviour, Marks, David. “IQ Variations across Time, Race, and Nationality”, International Society for Intelligence Research (ISIR).
Data visualization created with flourish.studio
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