Immigration is central to the growth and identity of the Hispanic population. Almost all of the project's research, regardless of topic, includes separate tabulations of data for U.S.-born and foreign-born Hispanics. Research on immigration focuses on the unauthorized population, overall trends in immigration and public attitudes towards immigrants and immigration policy.

Also see our statistical portraits, state and county databases, demographic profiles and Census 2010 tables for data on the characteristics of the Latino and foreign-born populations in the United States.

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InteractivesNovember 3, 2016

Unauthorized immigrant population trends for states, birth countries and regions

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InteractivesNovember 3, 2016

Estimated unauthorized immigrant population, by state, 2014

Multi-section ReportsNovember 3, 2016

Size of U.S. Unauthorized Immigrant Workforce Stable After the Great Recession

Declines in eight states and increases in seven since 2009

Multi-section ReportsSeptember 20, 2016

Overall Number of U.S. Unauthorized Immigrants Holds Steady Since 2009

Decline in share from Mexico mostly offset by growth from Asia, Central America and sub-Saharan Africa

Multi-section ReportsSeptember 8, 2016

U.S. Latino Population Growth and Dispersion Has Slowed Since Onset of the Great Recession

South still leads nation in growth overall, but three counties in North Dakota top list of fastest-growing

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InteractivesApril 19, 2016

Statistical Portrait of Hispanics in the United States

There were 55.3 million Hispanics in the United States in 2014, comprising 17.3% of the total U.S. population.

PublicationsApril 19, 2016

Statistical Portrait of Hispanics in the United States

There were 55.3 million Hispanics in the United States in 2014, comprising 17.3% of the total U.S. population.

Pew Research CenterApril 19, 2016

Statistical Portrait of Hispanics in the United States

There were 55.3 million Hispanics in the United States in 2014, comprising 17.3% of the total U.S. population.

Pew Research CenterApril 19, 2016

Statistical Portrait of the Foreign-Born Population in the United States

There were a record 42.2 million immigrants living in the U.S. in 2014, making up 13.2% of the nation’s population.

PublicationsApril 19, 2016

Statistical Portrait of the Foreign-Born Population in the United States

There were a record 42.2 million immigrants living in the U.S. in 2014, making up 13.2% of the nation’s population.