Although social scientists have disputes about the accuracy of IQ scores in a given region, regions do vary in terms of their IQ scores.<ref name="CountryIQ">[https://iq-research.info/en/page/average-iq-by-country WORLD RANKING OF COUNTRIES BY THEIR AVERAGE]</ref><ref name="NatureIQ">[http://www.nature.com/hdy/journal/v92/n4/full/6800418a.html Book Review: IQ and the Wealth of Nations], ''Nature''</ref><ref name="AfricanIQ">[https://www.sciencedaily.com/releases/2010/01/100121155220.htm Controversial study of African IQ levels is 'deeply flawed'], Science Daily, January 21, 2010</ref> | Although social scientists have disputes about the accuracy of IQ scores in a given region, regions do vary in terms of their IQ scores.<ref name="CountryIQ">[https://iq-research.info/en/page/average-iq-by-country WORLD RANKING OF COUNTRIES BY THEIR AVERAGE]</ref><ref name="NatureIQ">[http://www.nature.com/hdy/journal/v92/n4/full/6800418a.html Book Review: IQ and the Wealth of Nations], ''Nature''</ref><ref name="AfricanIQ">[https://www.sciencedaily.com/releases/2010/01/100121155220.htm Controversial study of African IQ levels is 'deeply flawed'], Science Daily, January 21, 2010</ref> |