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

Crafting a Successful Legalization Program: Lessons From the Past

Publication Date: 
June 19, 2013
One of the themes that emerged from the Senate Judiciary Committee mark up of the 2013 Senate immigration bill was the necessity of avoiding the mistakes of the past. In the context of legalization...
  • 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...
  • Blog

Supreme Court Refuses to Narrow Criminal Grounds of Removability

July 5, 2023

In a split decision issued on June 22, the Supreme Court ruled against two noncitizens seeking to overturn agency findings that their state criminal convictions qualified as “aggravated felonies...

  • Blog

14 Percent of All Women in the U.S. Are Immigrants

June 12, 2023

Immigrants—many of whom are women—make up a significant portion of the U.S. population. In 2021, 23.2 million lived in the United States, outnumbering immigrant men, according to recent analysis...

  • Blog

Data Snapshot: Asians and Pacific Islanders in the United States

May 17, 2023

Each May, the United States recognizes the influence and contributions of Asian and Pacific Islanders during AAPI Heritage Month. It also serves as a time to reflect on the many differences among...

  • Blog

English-Only Education is on the Decline—But Arizona Holds Out

May 5, 2023

Written by Bella Wexler, Communications Fellow at the American Immigration Council. As of 2023, Arizona remains the only state with English-only education legislation still in effect. Its law—...

  • Blog

A Florida Court Blocks ‘Parole + ATD’ Program in Latest Fight Between State and Federal Immigration Authority

March 21, 2023

On March 8, a Florida court blocked the Biden administration from using a key border program referred to as Parole plus Alternative to Detention (Parole + ATD). The court’s decision vacated the...

  • Blog

Immigration Agencies Violate FOIA, Harming Immigrants and Government Transparency Alike

March 17, 2023

Immigration agencies have a problem with transparency. With an immigration system as complex as ours and Freedom of Information Act offices that are chronically underfunded, it’s no surprise that...

  • Blog

Black Immigrants in the United States: Population, Spending Power, and Political Capital

February 24, 2023

Written by Steven Hubbard, Senior Data Scientist and Robin Lundh, Research Manager Black immigrants make up a vital part of America’s rich cultural life. Think of authors Chinua Achebe and...

  • Blog

At Dueling Border Hearings, New House Majority Pushes Partisan Narrative Over Facts

February 10, 2023

In January, Republicans took control of the House of Representatives. After a lengthy fight over the Speaker of the House resolved, the new majority wasted no time in holding multiple hearings on...

  • Blog

USCIS’ Funding Crisis Might Be Too Big for the Agency to Fix by Itself

January 17, 2023

On January 3, U.S. Citizenship and Immigration Services (USCIS) finally published a new proposed fee schedule for immigration benefits—which is to say, it took an important step to becoming a...

  • Blog

Time Is Running Out for Congress to Act on Immigration This Year

December 8, 2022

Can immigration avoid a cold winter in Congress? That’s the question immigrants and their advocates are asking as time runs out on the current Congress. The fate of Afghan evacuees, Dreamers,...

  • Blog

Congress Expands Warrantless Surveillance of Immigrants Traveling to the US

April 26, 2024

On April 19, forty minutes after the ostensible deadline to reauthorize Section 702 of the Foreign Intelligence Surveillance Act (FISA), Congress passed H.R. 7888, the Reforming Intelligence and...

  • Blog

Data Snapshot: Middle Eastern and North African Immigrants

April 23, 2024

The White House Office of Management and Budget (OMB) recently announced its revision of the race and ethnicity question on federal surveys, including the U.S. census, adding “Middle Eastern or...

  • Blog

Immigrants Contribute Billions to Federal and State Taxes Each Year

April 15, 2024

Without fail, each Tax Day a prevalent myth resurfaces that conceals the truth about immigrants’ contributions to federal, state, and local taxes. Bolstered by social media and other outlets, it...

  • Blog

FY 2024 Government Funding Package Is a Mixed-Bag on Immigration

April 9, 2024

President Biden signed the final 6-bill “minibus” funding package for fiscal year (FY) 2024 on March 23, which includes funding for the agencies that implement our immigration laws. This was the...

  • Press Release

New Report Shows Immigrants in Androscoggin County, Maine Paid Over $24 Million in Taxes and Held Over $74 Million in Spending Power in 2019

April 4, 2024
Immigrants play a crucial role in the labor force in southern Maine, according to data in a new report.
  • Blog

Differences in State Sunshine Laws Can Threaten Transparency Around Immigration Detention and Enforcement

March 15, 2024

By Tsion Gurmu, Legal Director at the Black Alliance for Just Immigration and Raul Pinto, Deputy Legal Director of Transparency The main way in which the public can access information about what...

  • Blog

On International Women’s Day, We Celebrate the Important Contributions of Immigrant Women in the American Workforce

March 8, 2024

Since its conception in 1977, International Women’s Day has evolved into a global celebration highlighting women’s achievements and the challenges they face. The holiday’s origins can be traced...

  • Advocacy

Testifying on the Subcommittee on Immigration Integrity, Security, and Enforcement “Presidential Power to Secure the Border”

Publication Date: 
March 7, 2024
The American Immigration Council appeared before Congress to discuss the need for Congress to overhaul the asylum system.
  • Press Release

New Report Shows Immigrants in Houston Paid Over $16 Billion in Taxes and Exceeded $50 Billion in Spending Power in 2021

February 26, 2024
A new research report by the American Immigration Council underscores the crucial role immigrants play in the Houston area’s economy, finding that immigrants paid $16 billion in taxes and exceeded $50 billion in spending power in 2021.
  • Blog

USCIS Reduces Its Backlog for the First Time in Years

February 16, 2024

On February 9, U.S. Citizenship and Immigration Services (USCIS) released data about its progress toward meeting its strategic goals in fiscal year (FY) 2023. For the first time in years, the...

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