Notes on Immigration

Changing U.S. Immigration
80 million people have migrated to the United States between 1820-2015. This includes 42 million who were alive in 2015. The three main eras of immigration are
-colonial settlement in the 17th and 18th centuries
-mass European immigration in the late 19th early 20th and 21st centuries

U.S. Immigration at independence
U.S. population in 1790
1st census after independence was 3.9 million (including 950,000 who had immigrated to one)

Among European countries, Germany has the highest immigration numbers to the United States (7.2 million) Immigration in the United States drooped sharply in the 1930s and 1940s, and then increased  steadily in the 1950s. More than three-fourths of the recent U.S. immigrants have emigrated from Latin America (13 million) and Asia (7 million). Mexico officially passed Germany in 2006 as the country that has sent the most to the US.