|Date||Legal Immigrants||Unauthorized Immigrants|
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