Immigrants

Date Legal Immigrants Unauthorized Immigrants
2000 22.5 8.6
2001 22.2 9.4
2002 23.4 9.7
2003 23.6 10.1
2004 23.6 10.7
2005 24.7 11.1
2006 25.9 11.6
2007 25.8 12.2
2008 26.3 11.7
2009 27.1 11.3
2010 28.5 11.4
2011 28.9 11.5
2012 29.5 11.2
2013 30.1 11.3
2014 31.1 11.3

Source: For all immigrants, Pew Research Center tabulations of the 2000 census (5% IPUMS), 2001-2013 American Community Surveys (1% IPUMS) and 2014 American Community Survey 1-year estimates. For unauthorized immigrants, Pew Research Center estimates based on residual methodology applied to March supplements to the Current Population Survey (2000–2004, 2013-2014) or American Community Survey (2005–2012).

The United States is the world’s leader as a destination for immigrants. Since 2000, the immigrant population has increased by 30% to a record 41.3 million. Meanwhile, the number of unauthorized immigrants living in the United States peaked at 12 million in 2007 and has fallen slightly since then, mainly due to a decrease in the number of new immigrants from Mexico, the single largest source of U.S. migrants. Read more