Jeffrey S. Passel, senior demographer, on the research techniques used to derive the unauthorized immigrant population estimate in the U.S. and the challenges involved.
There were 10.5 million unauthorized immigrants in the U.S. in 2017. The number of Mexican unauthorized immigrants declined since 2007.
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.
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.
In 2016, a third of unauthorized immigrant adults were proficient in English – up from a quarter in 2007.
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.
Roughly 318,000 immigrants have this status after fleeing dangerous conditions in their countries. Learn more on the status for the largest origin groups now protected under TPS.
Unauthorized immigrants make up a quarter of all U.S. foreign-born residents. Our new interactive offers data on unauthorized immigrants by state.
There were 10.7 million unauthorized immigrants in the U.S. in 2016, down from 12.2 million in 2007. The total is the lowest since 2004 and is tied to a decline in the number of Mexican unauthorized immigrants.
About 250,000 babies were born to unauthorized immigrant parents in the United States in 2016, the latest year for which information is available, according to a new Pew Research Center analysis of government data about illegal immigration. This represents a 36% decrease from a peak of about 390,000 in 2007.