New Unauthorized Immigration Estimates for the U.S.
The average annual inflow of unauthorized immigrants to the United States was nearly two-thirds smaller in the March 2007 to March 2009 period than it had been from March 2000 to March 2005.
Immigration 
09.01.10
05.11.10
How Many Undocumented Immigrants?
The Census Bureau does not ask U.S. residents for their immigration status when they are counted in the 2010 Census or other population surveys.
03.31.10
Updated Profiles of Hispanic and Foreign-Born U.S. Residents
The Pew Hispanic Center’s statistical profiles of Hispanics and foreign-born U.S. residents have been updated using 2008 data from the U.S. Census Bureau’s American Community Survey.
01.21.10
Updated Data on U.S. Immigrants and Hispanics
The Pew Hispanic Center today updated its statistical profiles of the nation’s 38 million foreign-born residents, and nearly 47 million Hispanics.
