Pew – “Explore U.S. unauthorized immigrant population trends for states of residence, as well as for international regions and largest countries of birth, based on Pew Research Center estimates. In 2012, an estimated 11.2 million unauthorized immigrants lived in the U.S., down from a peak of 12.2 million in 2007 and unchanged since 2009. For more, see our report and tables: Unauthorized Immigrant Totals Rise in 7 States, Fall in 14“