10 Most Educated Countries Canada is No. 1, but US cracks top five By John Johnson, Newser Staff Posted Sep 29, 2012 6:11 AM CDT 33 comments Comments The University of Toronto. (Shutterstock) (Newser) – About 4 in 10 Americans have a college degree, but the US must look north to see the "world's most educated country," according to number crunching from 24/7WallSt and the America Organization for Economic Cooperation and Development. Leading its top-10 list of the nations with the highest percentage of college grads: Canada (51%): The only nation to crack the 50% mark. Israel: (46%): It helps that the nation's high school graduation rate is 92%. Japan (45%): But new college grads are struggling to find jobs. United States (42%): And we've got the college debt to go along with that high percentage. New Zealand (41%): It's also a big draw for international students. Read the full top 10 list here.