The most populous country in the world with about 1.4 billion people, 328,547 Chinese students went to college in the US.India is the second largest country by population in the world with about 1.3 billion — 165,918 of its students went to an American college.With a population of about 29 million, Saudi Arabia sent 61,287 of its students to the US for college.South Korea has a population of close to 50 million, and 61,007 of its people went to college in the US.America's neighbor to the north, Canada, has a population of about 35 million, and 26,973 of them attended a US college.Vietnam has a population of about 90 million — 21,403 went to school in the US.Taiwan has close to 24 million people in it, and 21,127 went to college in America.Of the roughly 200 million people in Brazil, 19,370 went to the US for college.Japan, which has a population of about 127 million, had 19,060 of its citizens attend American colleges.With a population of about 122 million, Mexico sent 16,733 of its students to the US for college during academic year 2015-16.