Unauthorized Immigration

Pew Research Center’s political typology sorts Americans into cohesive, like-minded groups based on their values, beliefs, and views about politics and the political system. Use this tool to compare the groups on some key topics and their demographics.

The U.S. Border Patrol reported more than 1.6 million encounters with migrants along the U.S.-Mexico border in the 2021 fiscal year.

Republican support for allowing undocumented immigrants to remain legally in the United States has declined.

Latinos agree that the U.S. immigration system needs an overhaul; large shares say it requires major changes or needs to be completely rebuilt.

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.