Map of immigrant origins and destinations

The Pew Research Center has put out a a great map of the origins and destinations of the world's immigrants in 1990, 2000, 2010 and 2015. The map is based on UN data on migrant stocks.

Great visual of origins of US immigrants since 1820

This map shows the origins of US immigrants since 1820--very cool! The recent drop in the number of immigrants from Mexico is particularly interesting. Note that these are data on legal entrants (new legal permanent residents), not all in-migrants.