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

  • Special Report

Passport Pages Tell Our Tale

Publication Date: 
April 29, 2013
Today in the United States, Lesbian, Gay, Bisexual, and Transgender (LGBT) Americans who fall in love with and marry foreign nationals are being asked to choose between country and spouse, country...
  • Fact Sheet

Legalize Who?: A Portrait of the 11 Million Unauthorized Immigrants in the United States

Publication Date: 
January 31, 2013
As the immigration debate heats up in Congress, the central question will be what to do about the 11 million...
  • Special Report

Back to the Future: The Impact of Legalization Then and Now

Publication Date: 
January 31, 2013
While there are many facets to an intelligent immigration reform package, one thing is clear: legalization for undocumented immigrants helps all of us. Most economists recognize that legalization...
  • Fact Sheet

Using the Systematic Alien Verification for Entitlements (SAVE) Program for Voter Eligibility Verification

Publication Date: 
August 2, 2012
The evidence of non-citizens voting is sparse and...
  • Fact Sheet

Chicken Little in the Voting Booth: The Non-Existent Problem of Non-Citizen Voter Fraud

Publication Date: 
July 13, 2012
A wave of restrictive voting laws is sweeping the nation. The Brennan Center for Justice at New York...
  • Fact Sheet

African Immigrants in America: A Demographic Overview

Publication Date: 
June 28, 2012
Immigrants from Africa constitute a highly diverse and rapidly growing group in the United States. As Census data demonstrate, the African foreign-born population doubled in size between 2000 and...
  • Fact Sheet

Latinos in America: A Demographic Overview

Publication Date: 
April 26, 2012
Latinos in the United States are a diverse and fast-growing group that is amassing considerable economic and political power. As data from the 2010 Census and other sources demonstrate, Latinos now...
  • Fact Sheet

Asians in America: A Demographic Overview

Publication Date: 
April 26, 2012
Asians in the United States are a highly diverse group that is growing fast not only in size, but in political and economic power as well.
  • 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...
  • 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...
  • Blog

A New Bill Would Allow Millions of Immigrants to Apply for Green Cards

October 11, 2022

On September 28, Senator Alex Padilla (D-CA) introduced a bill in Congress that would allow millions of immigrants who have lived in the United States for many years to become Lawful Permanent...

  • Blog

Biden Administration’s New Public Charge Rule Should End Fear of Trump Wealth Test

September 16, 2022

Three years ago, the Trump administration sent fear throughout immigrant communities across the nation with its Public Charge rule, which functioned as a wealth test for green card applicants....

  • Blog

Hispanics in the US: What the Data Reveals About Shifting Geography, Ancestry, and Voting Patterns

September 14, 2022

This Hispanic Heritage Month, we look at the most recent Census and data to highlight the importance of Hispanics in the United States. For those wondering why Hispanic Heritage Month starts mid-...

  • Blog

Biden Administration Close to Reaching Increased Cap on Employment-Based Green Cards

September 13, 2022

The Biden administration is close to using all of the employment-based immigrant visas (green cards) allotted for Fiscal Year (FY) 2022. U.S. Citizenship and Immigration Services (USCIS) announced...

  • Blog

Immigration Status Will No Longer Be a Barrier for Aspiring Lawyers in New Mexico

September 9, 2022

Written by American Immigration Council staff Leani García Torres and Raul Pinto The Deferred Action for Childhood Arrivals (DACA) initiative provides certain young, undocumented immigrants with a...

  • Blog

Fact Check: Migrants Aren’t the Ones Smuggling Fentanyl Into the United States

September 7, 2022

There is no doubt that fentanyl is a major problem inside the United States. Over the last decade, rising availability of fentanyl has caused a spike in overdose deaths across the nation. In 2021...

  • Blog

The Economic Impact When International Students Return Back to Campus

August 31, 2022

As hundreds of thousands of students prepare to go back to school this fall, it’s important to consider the outsized role international students play in both campus life and the United States...

  • Blog

How Schools Welcome Newly Arrived Immigrant and Refugee Students

August 25, 2022

School is back in session. For many states and localities across the country, that means welcoming newly arrived immigrant and refugee youth into the classroom. There will be increased need for...

  • Blog

Who Enforces Immigration Policy Anyway?

August 10, 2022

The lack of a major overhaul in the United States’ immigration system for roughly thirty years has created an ecosystem where states have attempted to insert their authority over immigration,...

  • Blog

Debunking Major Myths About Immigrants’ Socioeconomic Status in the US

August 4, 2022

Opponents of immigration often claim that European immigrants who came to the United States in the late 19th and early 20th centuries are radically different than the Latin Americans and Asians...

  • Blog

Lawsuits Prompt Immigration Agencies to Publish Critical Documents in Their FOIA Libraries

December 1, 2023

Last September, U.S. Customs and Border Protection agreed to publish past versions of the Department of Homeland Security’s Privacy Impact Assessments on CBP One, the app that allows asylum...

  • Practice Advisories

Common Tools of Statutory Construction for Criminal Removal Grounds

Publication Date: 
November 28, 2023
This practice advisory describes some of the common tools of statutory construction to assist practitioners in advocating for narrow definitions of generic criminal removal grounds...
  • Blog

Map the Impact: Immigrants Make Up Over 18% of the Total US Population Growth

November 13, 2023

Written by Robin Lundh, Research Manager and Anna Shepperson, Research Associate. Immigration—long central to the American experience—has dominated news coverage in recent years. Between 2016 and...

  • Advocacy

Comment on Executive Office for Immigration Review Proposed Rule Regarding Restoring Appeal Procedures and Administrative Closure

Publication Date: 
November 7, 2023
The American Immigration Council and the American Immigration Lawyers Association submitted this comment in support of the proposed rule, "Appellate Procedures and Decisional Finality in Immigration...
  • Blog

Department of Labor Report Highlights Severity of Child Labor in the US and Worldwide

November 2, 2023

The Department of Labor (DOL) recently issued its yearly Findings on the Worst Forms of Child Labor report, examining 131 countries’ efforts to abolish child labor in 2022 and the obstacles those...

  • Fact Sheet

The Biden Administration’s Humanitarian Parole Program for Cubans, Haitians, Nicaraguans, and Venezuelans: An Overview

Publication Date: 
October 31, 2023
An overview of the Biden administration's parole programs for Cubans, Haitians, Nicaraguans and Venezuelans (CHNV), which admit up to 30,000 people per month with the ability to live and work in the...
  • Press Release

Court Allows Turnbacks of Asylum Seekers Without CBP One Appointments to Continue

October 13, 2023
A federal court in California denied a preliminary injunction in a legal challenge to the Biden administration’s policy of turning back asylum seekers who request protection without first obtaining an appointment via the government’s CBP One smartphone app.
  • Blog

Spotlight on the Changing Demographics of Hispanic Americans

September 28, 2023

By Karen Aho and Robin Lundh of the American Immigration Council Today, Hispanic Americans form the largest ethnic group in the United States. The value of Hispanic Americans to the makeup of the...

  • Blog

New Board of Immigration Appeals Decision Sets Roadblock for Cubans, Others Seeking Green Cards 

September 28, 2023

A recent Board of Immigration Appeals (BIA) decision bars certain recently arrived noncitizens from becoming lawful permanent residents. In Matter of Cabrera-Fernandez, the BIA held that the...

  • Blog

What Does the Looming Government Shutdown Mean for Our Immigration System?

September 28, 2023

After weeks of failed negotiations on spending, Congress has less than a week left to avert a potential government shutdown. Members of the House Republicans’ Freedom Caucus have refused to pass...

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