Foreign-born population and incidence
Year
No. of foreign born (in millions)
% of U.S. foreign born
1880
6.7
13.3
1890
9.3
14.7
1900
10.3
13.6
1910
13.5
14.7
1920
13.9
13.2
1930
14.3
11.6
1940
11.7
8.8
1950
10.4
6.9
1960
9.7
5.5
1970
9.6
4.7
1980
14.1
6.2
1990
19.8
7.9
2000
28.4
10.4