Dozens Of Countries Take In More Immigrants Per Capita Than The U.S. – NPR From the story: “…in absolute numbers, the U.S. is home to the most foreign-born people — 45.7 million in 2013. But relatively, it’s upper-midpack as an immigrant nation. It ranks 65th worldwide in terms of percentage of population that is foreign-born, according to the U.N. report ‘Trends in International Migrant Stock.’ ”