Key charts and stats about immigrants in the United States from 1980 to 2017.
This statistical profile of the foreign-born population in the 50 states and the District of Columbia is based on Pew Research Center tabulations of the Census Bureau’s 2010 and 2017 American Community Survey (ACS) and the 1960-2000 decennial censuses.
As of 2017, 19% of the national immigrant population lives in the top five counties: Los Angeles County, Calif.; Miami-Dade County, Fla.; Harris County, Texas; Queens County, N.Y. and Cook County, Ill.
While 67% of lawful immigrants eligible for naturalization had applied for and obtained U.S. citizenship by 2015, this share was only 42% among Mexicans.
There were a record 43.2 million immigrants living in the U.S. in 2015, making up 13.4% of the nation’s population.
The largest wave of immigration in history from a single country to the United States has come to a standstill.
The flow of immigrants from Mexico to the United States has declined sharply since mid-decade, but there is no evidence of an increase during this period in the number of Mexican-born migrants returning home from the U.S.
Reflecting broad changes in their social and economic status, women around the world have been migrating more in recent decades and as a result have constituted an increasing share of migrant populations almost everywhere.
Nearly half of all the unauthorized migrants now living in the United States entered the country legally through a port of entry such as an airport or a border crossing point where they were subject to inspection by immigration officials.
This fact sheet presents estimates for the number of unauthorized migrants living in the 50 states and the District of Columbia based on a well-established methodology applied to data from the March 2005 Current Population Survey.