USA scores the lowest in national average IQ among the developed countries of the world, at a national average score of 98. The data is obtained from IQ and Global Equality by Dr. Richard Lynn (professor of Psychology, University of Ulster, Northern Ireland) and Dr. Tatu Vanhanen (University of Tampere, Finland) who have done extensive research on the subject spanning several years. The national average IQ score of Americans at 98 is below 22 countries (including Switzerland, United Kingdom, Germany, The game, North Korea and China).The mathematical skills and abilities to process mathematical problems put America on a weak spot.
