There were 10.5 million unauthorized immigrants in the U.S. in 2017. The number of Mexican unauthorized immigrants declined since 2007.
The number of Mexican unauthorized immigrants has fallen since its peak of 6.9 million in 2007 and was lower in 2017 than in any year since 2001.
Mexico has apprehended and deported more migrants within its borders so far this fiscal year than at the same point in fiscal 2018.
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.
In 2016, a third of unauthorized immigrant adults were proficient in English – up from a quarter in 2007.
Proposals to change the U.S. immigration system have received renewed attention under the Trump administration. Read key details about U.S. immigration programs.
In 2016, the 20 U.S. metro areas with the most unauthorized immigrants were home to 6.5 million of them, or 61% of the estimated total.
Sortable table of estimates of unauthorized immigrant populations in 182 U.S. metropolitan areas, derived from a sample of census data.
Unauthorized immigrants make up a quarter of all U.S. foreign-born residents. Our new interactive offers data on unauthorized immigrants by state.
Pew Research Center estimates that 10.7 million unauthorized immigrants, the lowest level in a decade, lived in the U.S. in 2016