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

  • Research and Analysis

Minority Newcomers: Fair Comparisons of Immigrants and the Native Born

Publication Date: 
November 1, 2003
Comparisons of the mostly “minority” foreign-born and mostly “white” native-born populations that fail to account for the socioeconomic impact of ethnicity incorrectly suggest that place of birth,...
  • Research and Analysis

Migrating to Recovery: The Role of Immigration in Urban Renewal

Publication Date: 
July 1, 2003
Policymakers in states from Iowa to Utah and in cities from Albuquerque to Boston have realized that immigration is a key source of long-term economic vitality, particularly in urban areas...
  • Research and Analysis

U.S. Soldiers from Around the World: Immigrants Fight for an Adopted Homeland

Publication Date: 
March 1, 2003
As American troops, including many immigrants, are now engaged in military action in Iraq, the Immigration Policy Center has updated its fact sheet about the role and participation of immigrants in...
  • Special Report

Have We Learned the Lessons of History? World War II Japanese Internment and Today's Secret Detentions

Publication Date: 
October 1, 2002
In the aftermath of the horrific events of September 11, 2001, our leaders have begun exercising extraordinary powers to ensure our collective safety, sacrificing the personal liberties of some,...
  • Research and Analysis

The Passage From India: A Brief History of Indian Immigration to the U.S.

Publication Date: 
June 1, 2002
From humble beginnings, Indian immigrants have overcome great odds to become one of the most influential communities in American society today.
  • Research and Analysis

Preliminary Census Data Released: New Estimates Attempt to Reveal Demographics of U.S.

Publication Date: 
March 1, 2002
A recent 2000 Census Bureau report finds an increase in foreign-born residents who are naturalized citizens. Survey data shows the foreign-born percentage of the U.S. population remains constant...
  • Fact Sheet

The 2010 Census: The Stakes of an Accurate Count

Every 10 years, as required by the U.S. Constitution, the federal government undertakes a massive nationwide effort to count the residents of the United States, who now number more than 300 million...
  • Blog

Trump’s Presidency Begins and Ends With Demonizing Immigrants

January 11, 2021

Five years ago, Donald Trump descended an elevator and declared that Mexico was sending rapists and “bringing crime” across the border. Now, while America still reels from the deadly...

  • Blog

How Biden Can Restore Humanitarian Protection at the Border

January 5, 2021

This article is part of the Moving Forward on Immigration series that explores the future of immigration in the aftermath of the 2020 presidential election.  The United States has long been a...

  • Blog

How Biden Can Reform Immigration Enforcement and Detention

January 4, 2021

This article is part of the Moving Forward on Immigration series that explores the future of immigration in the aftermath of the 2020 presidential election.  When the Biden administration takes...

  • Blog

USCIS and ICE Must Give People Access to Their Immigration Files After Losing Lawsuit

December 18, 2020

People who need access to their government immigration records scored a huge victory in the Nightingale et al. v. USCIS case on December 17. A judge ruled that a nationwide class of individuals...

  • Blog

Congressional Democrats Announce One of the Most Progressive Immigration Reform Plans in History

December 15, 2020

Progressive Democrats in the House of Representatives are gearing up to demand a comprehensive overhaul of the U.S. immigration system when the Biden administration and a new Congress are in place...

  • Blog

Your COVID-19 Vaccine Was Likely Made by an Immigrant

December 14, 2020

The development of a COVID-19 vaccine is a global endeavor. The scientists and entrepreneurs creating the vaccine are of many nationalities and immigration statuses—as are the millions of people...

  • Blog

Liberians Have Until December 20 to Apply for a Green Card Under the LRIF Program

December 9, 2020

Thousands of Liberians living lawfully in the United States run the risk of detention and deportation if they do not apply for the Liberian Refugee Immigration Fairness program (LRIF) by the...

  • Blog

The Trump Administration Will Inflict More Damage to the Immigration System Before Leaving Office

December 2, 2020

As the Biden-Harris administration prepares to take office, many anxiously await what immigration policies the Trump administration will finalize in the lead up to Inauguration Day in the form of...

  • Blog

Who Is Alejandro Mayorkas? The New DHS Secretary Will Spearhead Biden’s Immigration Agenda

December 1, 2020

The incoming Biden-Harris administration has announced its choice for secretary of the Department of Homeland Security: Alejandro Mayorkas. If confirmed, Mayorkas will represent several historic...

  • Blog

Talking Turkey: How to Discuss Immigration for Long-Lasting Change

November 23, 2020

While our Thanksgiving dinner tables may look a little different this year, one thing remains the same: Thanksgiving is a time to catch up and reconnect with loved ones. Whether you are doing this...

  • Fact Sheet

Power of the Purse: Contributions of Hispanic Americans in the Rio Grande Valley

Publication Date: 
June 3, 2022
This fact sheet underscores the crucial role Hispanic Texans play in the Rio Grande Valley’s labor force, population growth, and economy.
  • Fact Sheet

Power of the Purse: Contributions of Hispanic Americans in the McAllen-Edinburg-Mission Metro Area

Publication Date: 
June 3, 2022
This fact sheet underscores the crucial role Hispanic Texans play in the metro area’s labor force, population growth, and economy.
  • Press Release

U.S. Residents Sue USCIS and NARA for Delays in U.S. Citizenship Applications

May 25, 2022
Thirteen people waiting to become U.S. citizens filed a lawsuit challenging U.S. Citizenship and Immigration Services’ unreasonable delays and failure to process U.S. naturalization applications filed in 2020.
  • Litigation

Challenging USCIS To End Naturalization Application Delays

This lawsuit challenges USCIS' unreasonable delay in processing naturalization applications that were filed in 2020 and has prevented applicants from becoming U.S. citizens.
  • Blog

The Supreme Court Overturning Roe v. Wade Could Have Harmful Ripple Effects for Immigrants

May 13, 2022

Justice Samuel Alito’s draft opinion in Dobbs v. Jackson Women’s Health, which is poised to overturn Roe v. Wade, could have damaging effects to immigrant rights secured through the courts. The...

  • Blog

USCIS Lengthens Work Permit Automatic Extension Period to Address Adjudication Delays

May 11, 2022

U.S. Citizenship and Immigration Services (USCIS) issued a temporary rule last week that automatically extends employment authorization for certain noncitizens waiting for USCIS to process their...

  • Comments

Comments Recommend USCIS Clarify FOIA Request Process

Publication Date: 
May 5, 2022
The Council submitted comments on USCIS suggested changes to Form G-639 and Instructions. The G-639 Form and Instructions are used to submit FOIA requests to USCIS by mail.
  • Blog

U.S. Census: A Closer Look at the Fastest Growing Minority Group in the United States

May 2, 2022

Data from the 2020 U.S. Census Bureau show that there are approximately 20.7 million Asian and Pacific Islanders in the United States—comprising 6.2 % of the U.S. population—that make up the...

  • Practice Advisories

The Basics of Motions to Reopen EOIR-Issued Removal Orders

Publication Date: 
April 25, 2022

This practice advisory provides a basic overview of motions to reopen removal orders that are filed with the Executive Office for Immigration Review (EOIR), which consists of immigration courts...

  • Blog

The Biden Administration Needs to Change Course on Green Cards Before It’s Too Late

April 22, 2022

The Biden administration failed to issue many of the immigrant visas—more commonly known as green cards—that were allotted last year for immigrants who have been sponsored by a U.S. employer or...

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