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

Election 2008: The Importance of Latinos and Immigrants to the Economies and Electorates of the "Super Tuesday" States

Publication Date: 
November 1, 2008
During the presidential primaries, candidates and the media focused a great deal of attention on the debate over how immigrants impact state economies and the fiscal balance of state treasuries. At...
  • Fact Sheet

Election 2008 Recap: The Electoral Landscape and What it Means for Immigration Reform

Publication Date: 
November 1, 2008
IPC has prepared a fact sheet to remind policymakers, the press, and the public about the enormous influence of the immigrant, Latino, and Asian vote in the 2008 elections.
  • Fact Sheet

The Politics of Contradiction: Immigration Enforcement vs. Economic Integration

Publication Date: 
May 21, 2008
Since the mid-1980s, the federal government has tried repeatedly, without success, to stem the flow of undocumented immigrants to the United States with immigration-enforcement initiatives: deploying...
  • Special Report

Today's Immigrant Woman Entrepreneur

Publication Date: 
January 5, 2008
Immigrant women entrepreneurs are rapidly making their mark in the U.S. business sector, in every region of the country and across a large range of industries. Today, immigrant women of the post-...
  • Research and Analysis

Thinking Ahead About Our Immigrant Future: New Trends and Mutual Benefits in Our Aging Society

Publication Date: 
January 1, 2008
By Dowell Myers, Ph.D. There are two stories now being told about immigration and the future of America. Each has some basis in fact,...
  • Special Report

The Myth of Immigrant Criminality and the Paradox of Assimilation

Publication Date: 
February 21, 2007

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  • Research and Analysis

Undocumented Immigration by Congressional Districts

Publication Date: 
October 1, 2006
In this IPC Policy Brief, author Rob Paral uses new census data to update his earlier IPC report (Playing Politics on Immigration: Congress Favors Image over Substance in Passing H.R. 4437) on the...
  • Research and Analysis

The Growth and Reach of Immigration: New Census Bureau Data Underscore Importance of Immigrants

Publication Date: 
August 1, 2006
New data from the 2005 American Community Survey (ACS), released by the Census Bureau on August 15, 2006, underscore the extent to which immigration continues to fuel the expansion of the U.S. labor...
  • Special Report

Unequal Access: Immigrants and U.S. Health Care

Publication Date: 
July 1, 2006
By Sarita A. Mohanty, M.D., M.P.H.Despite the important role that immigrants play in the U.S. economy, they disproportionately...
  • Research and Analysis

Learning from IRCA: Lessons for Comprehensive Immigration Reform

Publication Date: 
May 1, 2006
If the current political stalemate over immigration reform is any indication, many U.S. policymakers have yet to heed the lessons of recent history when it comes to formulating a realistic strategy...
  • Blog

The New CBP One App May Put Immigrants and Travelers’ Privacy at Risk

August 5, 2021

It is unquestionable that technology creates efficiencies. But efficiency should not come at the total expense of privacy. A new app from U.S. Customs and Border Protection (CBP) toes that line...

  • Blog

The COVID-19 Pandemic Made USCIS Backlogs Go from Bad to Worse

July 6, 2021

Backlogs, processing delays, and revenue shortfalls are nothing new at U.S. Citizenship and Immigration Services (USCIS). The agency has long suffered from severe structural problems that hurt...

  • Blog

Biden Signals Big Changes to Legal Immigration and Asylum Law with Spring Regulatory Agenda

June 16, 2021

Twice each year, the federal government publishes a “regulatory agenda,” a preview of all the proposals that are in the pipeline to become federal regulations. Last week, the Biden administration...

  • Blog

The Supreme Court Limits the Crimes That Can Lead to Near-Automatic Deportation

June 14, 2021

The Supreme Court issued a decision last Thursday in a criminal case that will have an immediate impact on immigration law. The new decision set a limit on the types of crime that can be...

  • Blog

Biden’s First Budget Is A Missed Opportunity to Overhaul Immigration Enforcement

June 1, 2021

President Biden released the first budget proposal of his presidency on May 29, a landmark for any new president. A presidential budget generally reflects the goals of the administration and can...

  • Blog

Biden Administration Revokes Trump’s Health Insurance Visa Ban

May 18, 2021

President Biden revoked a proclamation issued by former President Trump in 2019 that required nearly all prospective immigrants to demonstrate that they would be covered by private health...

  • Blog

As US Birth Rate Declines, Programs Like Social Security Need Immigration to Survive

May 11, 2021

Birth rates are falling in the United States at the same time more Americans are reaching retirement age. Together, these two trends present enormous economic challenges for the nation. A growing...

  • Blog

Yes, All Immigrants Can Get the COVID-19 Vaccine—Even Those Who Are Undocumented

April 7, 2021

Since the start of the pandemic, many immigrants have been left out of federal COVID-19 relief packages. Both undocumented immigrants and some people in mixed-status households have been excluded...

  • Blog

Immigration Policies Based on Deterrence Don’t Work

April 2, 2021

Over the last two months, the Biden administration has been pressured to carry out another crackdown at the border as the number of arriving families and children rise. But officials making these...

  • Blog

Why We Must Improve Immigration Agency Transparency – And How to Do It

March 15, 2021

The Biden administration must improve transparency in the U.S. immigration system. Such efforts go hand in hand with strengthening democratic institutions. Under the Freedom of Information Act (...

  • FOIA

FOIA Request Seeks Records Regarding Parole Guidance and Incorrect Addresses on CBP Documents After Migrants Flown to Martha's Vineyard

The requested records will shed light on CBP's practices with respect to granting and extending humanitarian parole and the agency's determinations regarding which addresses to include on immigration paperwork.
  • Blog

Midterms 2022: How and Where Immigrants Have Helped Create a More Diverse Electorate

October 11, 2022

With the 2022 midterm elections just weeks away, all eyes are shifting to states where close races are expected. A lot has changed since the last midterm elections in 2018—including the...

  • 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...

  • Press Release

New Research Reveals Changing Demographics in Foreign-Born Voters and Younger Voters in Swing States

October 4, 2022
The data interactive, “The Changing Demographics of the Electorate at a State Level,” highlights the changes in the demographics of eligible voters in every state now compared to 2016, broken down by gender, age, and ethnicity.
  • Special Report

Midterms 2022: The Changing Demographics of the Electorate

Publication Date: 
October 4, 2022
With the 2022 midterm elections on the horizon, our interactive map uses data to show which states’ electorates are changing most rapidly.
  • 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...

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