Immigration 101

The U.S. immigration system is complex and can be difficult to understand. These resources provide key data points, historical information, and background on hot topics in immigration. Learn the basics about immigration.

Recent Features

Why Don’t Immigrants Apply for Citizenship?

There is no line available for undocumented immigrants and the “regular channels” do not include them.

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Fact Sheet
Temporary Protected Status: An Overview

This fact sheet provides an overview of how Temporary Protected Status designations are made, what benefits TPS confers, and how TPS beneficiaries apply for and regularly renew their status.

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How the United States Immigration System Works

U.S. immigration law is very complex. Here's basic information about how the U.S. legal immigration system is designed.

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All Immigration 101 Content

  • Fact Sheet

The Future of a Generation: How New Americans Will Help Support Retiring Baby Boomers

Publication Date: 
February 14, 2012
The United States is in the midst of a profound demographic transformation that will long outlast the current economic downturn. In 2011, the first of the baby boomers—Americans born between 1946 and...
  • Press Release

The Real Meaning of “Self-Deportation”

January 26, 2012

Washington D.C. - The term “self-deportation” has found its way into the GOP presidential primary race, with candidate Mitt Romney outlining a vague immigration pl

  • Special Report

Opportunity and Exclusion: A Brief History of U.S. Immigration Policy

Publication Date: 
January 13, 2012
The United States and the colonial society that preceded it were created by successive waves of immigration from all corners of the globe. But public and political attitudes towards immigrants have...
  • Fact Sheet

Eliminating Birthright Citizenship Would Not Solve the Problem of Unauthorized Immigration

Publication Date: 
November 4, 2011
There is no evidence that undocumented immigrants come to the U.S. just to give birth.
  • Fact Sheet

Mexican Migration Patterns Signal a New Immigration Reality

Publication Date: 
August 1, 2011
Fewer Mexicans are Entering the U.S., Fewer Are Leaving, and Mexican American Births Now Outpace Immigration from Mexico Much of what we thought we knew about immigration is changing, and...
  • Special Report

Second Annual DHS Progress Report

Publication Date: 
April 12, 2011
In its second year under the Obama Administration, the Department of Homeland Security (DHS)—which is responsible for the nation’s three immigration agencies (USCIS, CBP, and ICE)—continues to...
  • Special Report

Constitutional Citizenship: A Legislative History

Publication Date: 
March 28, 2011
Attacks against the Citizenship Clause of the 14th Amendment have picked up in recent months, with legislators at both the national and state levels introducing bills that would deny U.S. citizenship...
  • Press Release

New Study on Immigrant Integration Compares and Ranks the United States, Canada, and Europe

February 28, 2011

Washington D.C. - In cooperation with the Immigration Policy Center, the British Council and the Migration Policy Group release a new study today which reviews and

  • Fact Sheet

Papers Please: Eliminating Birthright Citizenship Would Affect Everyone

Publication Date: 
January 4, 2011
Attacks on birthright citizenship at the federal and state level are bound to take many forms—from outright repeal of the Fourteenth Amendment to refusal by states to issue birth certificates to...
  • Special Report

The New American Electorate (October 2010)

Publication Date: 
October 14, 2010
At a time when federal, state, and local elections are often decided by small voting margins—with...

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