Notes: The native-born population's age distribution was as follows: 22.0 percent were under 15, 64.8 percent were between 15 and 64, and 13.2 percent were 65 or older.

Source: The 2010 data are from the US Census Bureau's 2010 American Community Survey. The 2000 data are from the Current Population Survey, March Supplement, 2000. All other data are from Gibson, Campbell and Emily Lennon, US Census Bureau, Working Paper No. 29, Historical Census Statistics on the Foreign-Born Population of the United States: 1850 to 1990, US Government Printing Office, Washington, DC. 1999. This report is available online.