11. United States
Population with tertiary education: 46.5%
On the 11th place of the top countries with the highest literacy rates in the world in 2017 is the United States with 46.5% of the population with tertiary education. 89% of Americans have completed their secondary education between the age of 25 to 64, which is very good. Moreover, expected years of schooling are 16.5, and mean years are 13.2. The US government spends 5.2% of GDP on education.