The World Top 20 Education Poll provides annual rankings of the top 20 education systems out of 209 nations based on 5 criteria: early childhood enrollment rates, elementary/middle/high school test scores, and college graduation rates. South Korea ranked #1 in 2016 with the highest scores in early childhood enrollment and elementary/middle school levels as well as high college graduation rates. Japan and Russia followed as #2 and #3, respectively. The report lists the top 20 countries, their scores on each criterion, and current head of government.