Average IQ by country

Source: https://viewoniq.org

Raw IQ, no school assessments: NIQ-QNW (col. E): Mean NIQs calculated from all samples for each nation included in THE NIQ-DATASET (V1.3) weighted by dataquality and N of individuals of each sample

Both raw IQ and school assessments: NIQ-R (col. N): National IQ-scores from Prof. Dr. Heiner Rindermann, calculated from L&V02 and school assessment studies (PISA; TIMSS; PIRLS)

By averaging NIQ-QNW and NIQ-R, the approach effectively emphasizes raw IQ QNW data over educational performance. This method mitigates biases from test preparation and cultural attitudes towards school assessments, resulting in a more accurate representation of a nation’s cognitive abilities.

National IQ dataset Version 1.3.5

National IQ dataset

Interactive IQ Map: https://www.datawrapper.de/_/P7iCo/

Gdp per capita PPP map: https://www.datawrapper.de/_/PKuDp/