1900
13.6% of the U.S. population was born outside the U.S.
86.0% of all immigrants were from Europe
11.4% of all immigrants were from Northern America (including Mexico)
2.6% of all immigrants were from other areas
1900: Top Ten Sending Countries: Germany, Ireland, Great Britain, Canada, Sweden, Italy,
Poland, Russia, Poland, Norway, Austria.

1960
6.9% of the U.S. population was born outside the U.S.
75% of all immigrants were from Europe
9.8% of all immigrants were from Northern America (including Mexico)
9.4% of all immigrants were from Latin America
5.1% of all immigrants were from Asia
0.7% of all immigrants were from other areas
1960: Top Ten Sending Countries: Italy, Germany, Canada, United Kingdom, Poland, Soviet
Union, Mexico, Ireland, Austria and Hungary.

1980
6.2% of the U.S. population was born outside the U.S.
39.0% of all immigrants were from Europe
6.5% of all immigrants were from North America
33.1% of all immigrants were from Latin America
19.3% of all immigrants were from Asia
2.1% of all immigrants were from other areas
1980: Top Ten Sending Countries: Mexico, Germany, Canada, Italy, United Kingdom, Cuba,
Philippines, Poland, Soviet Union, Korea.

2000
10.4% of the U.S. population was born outside the U.S.
15.3% of all immigrants were from Europe
2.5% of all immigrants were from Northern America
51.O% of all immigrants were from Latin America
25.5% of all immigrants were from Asia
5.7% of all immigrants were from other areas
2000: Top Ten Sending Countries: Mexico, China, Philippines, India, Cuba, Vietnam, El
Salvador, Korea, Dominican Republic, Canada.

Source: NNIRR.ORG