World's 20 smartest countries

POSTED: 7:35 AM PST December 24, 2013    UPDATED: 9:38 AM PDT October 24, 2013 

According to a recent survey, American adult proficiency in literacy, numeracy and problem solving ranks as some of the lowest among developed countries, despite a relatively high level of education. Take a look at the world's 20 smartest countries.

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The U.S. may have a lot of money, but when it comes to brains, we don't even crack the Top 10, according to a ranking of countries with the highest IQ scores by Here are the world's 20 smartest countries:


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