Unauthorized immigrant population trends for states, birth countries and regions

In 2017, an estimated 10.5 million unauthorized immigrants lived in the United States, down from a peak of 12.2 million in 2007. Explore trends in the unauthorized immigrant population for U.S. states, as well as for birth countries and regions, based on Pew Research Center estimates. For more, see our latest estimate, Mexicans decline to less than half the U.S. unauthorized immigrant population for the first time. Interactive maps and tables based on unauthorized immigrant population estimates by state for 2016 are also available.