A new Pew Research Center analysis estimates that at least 3.9 million unauthorized immigrants – and possibly as many as 4.8 million – lived in Europe in 2017. Learn how we conducted the first comprehensive estimate of Europe's unauthorized immigrant population in over a decade.
Explore data on the 15 largest U.S. Hispanic groups by origin.
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.
The latest Pew Research Center data estimates there were 10.5 million unauthorized immigrants living in the U.S. in 2017, down significantly from a decade prior. In this video, our researchers go behind the scenes to explain the “how” and “why” behind determining these new numbers.
There were a record 44.4 million immigrants living in the U.S. in 2017, making up 13.6% of the nation’s population. Explore charts and tables with demographic data on the foreign born population in the U.S. from 1960 to 2017.
Explore estimates of unauthorized immigrant populations in 182 U.S. metropolitan areas.
Explore maps and tables showing detailed data on unauthorized immigrants by state.