Estimated unauthorized immigrant population, by state, 2014
California has by far the largest number of unauthorized immigrants, about 2.3 million in 2014.
Unauthorized immigrant population trends for states, birth countries and regions
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.
Size of U.S. Unauthorized Immigrant Workforce Stable After the Great Recession
There were 8 million unauthorized immigrants in the U.S. working or looking for work in 2014, making up 5% of the civilian labor force, according to new Pew Research Center estimates using government data.
5 facts about immigrant mothers and U.S. fertility trends
A new Pew Research Center report examines long-term trends in U.S. births among both U.S.-born and foreign-born women. Here are key findings from the report.
Births Outside of Marriage Decline for Immigrant Women
Long-term growth in total U.S. births has been driven by the foreign born, who accounted for 23% of all babies born in 2014.
Number of babies born to unauthorized immigrants in U.S. continues to decline
About 275,000 babies were born to unauthorized-immigrant parents in 2014, a decline from 330,000 in 2009.
Americans less concerned than a decade ago over immigrants’ impact on workforce
Americans’ views about the impact the growing number of immigrants working in the U.S. is having on American workers have softened notably over the past decade.
Key facts about the world’s refugees
With the number of displaced people in the world at more than 60 million in 2015, the plight of refugees has gained new prominence.
Unauthorized immigrant population stable for half a decade
The unauthorized immigrant population in the U.S. – 11.1 million in 2014 – has remained essentially stable since 2009 after nearly two decades of changes.
Measuring illegal immigration: How Pew Research Center counts unauthorized immigrants in the U.S.
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.