E.g., 06/09/2021
E.g., 06/09/2021
U.S. Data

U.S. Data

Immigration_History

More than 43 million people living in the United States—whether as naturalized citizen, legal permanent resident, temporary resident, or unauthorized immigrant—were born in another country, representing 13 percent of the U.S. population. Immigration has ebbed and flowed throughout U.S. history, peaking at nearly 15 percent of the population in 1890 and plummeting to 5 percent in 1970. The data-rich research offered here traces the U.S. immigrant population by size, educational and workforce characteristics, English language proficiency, and more.

For information on U.S. immigrants by state, check out the State Immigration Data Profiles tool. And for detailed profiles on unauthorized immigrants nationally and by state, visit this tool.

Recent Activity

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Fact Sheets
October 2003
By  Elizabeth Grieco
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Fact Sheets
September 2003
By  Elizabeth Grieco, Deborah W. Meyers and Kathleen Newland
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Recent Activity

Fact Sheets
November 2003

Canada and Mexico’s importance to the United States is more than simply a border-state phenomenon. The trading relationship between United States and Canada represents the largest bilateral flow of income, goods, and services in the world. Meanwhile, Mexico is the United States’ second largest trading partner.

Articles

MPI Data Manager Elizabeth Grieco provides an overview of the largest immigrant group in the United States.

Fact Sheets
October 2003

This fact sheet provides an estimate and brief description of the unauthorized immigrant population in the United States in 2003.

Fact Sheets
September 2003

In the aftermath of the September 11 attacks, changes to visa policies, new security procedures, and measures to combat fraud contributed to a shift in the traditional composition of immigration flows. This report highlights recent data on immigrants to the U.S. and offers key analysis of what these figures mean in terms of U.S. policy.

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MPI’s Jill Wilson provides an in-depth look at the United States’ population of people born in Africa.

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MPI Research Assistant Kevin O'Neil outlines key aspects of remittances from the United States.
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MPI’s Ramah McKay examines the family reunification program, which accounts for approximately two-thirds of permanent immigration to the U.S. each year.
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With the war in Iraq intensifying, the media has focused on the Iraqi foreign born in the United States. To ensure the accuracy of public debate, MPI Data Manager Elizabeth Grieco uses U.S. Census Bureau statistics to describe the size of the Iraqi immigrant population.

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