Unauthorized Immigration

The share of Americans viewing illegal immigration as a ‘very big’ problem has increased.

The unauthorized immigrant population’s size and composition has ebbed and flowed significantly over the past 30 years.

U.S. Border Patrol agents expelled or apprehended 15,862 migrants at the southwest border in April, down 47% from March.

Today, more than 40 million people living in the U.S. were born in another country, accounting for about one-fifth of the world’s migrants.

If unauthorized U.S. immigrants aren't counted, 3 states could each lose a seat they otherwise would have had and 3 others each could gain one.

91% of Democrats favor granting legal status to immigrants who came to the U.S. illegally as children; 54% of Republicans say the same.

About three-quarters of U.S. adults say undocumented immigrants mostly fill jobs U.S. citizens do not want.

The gender gap in party identification remains the widest in a quarter century.

68% of U.S. adults say the federal government has a responsibility to provide medical care to undocumented immigrants who have COVID-19.

How has immigration enforcement changed under Trump? Here’s a look at the data on border apprehensions, interior arrests and deportations.