Immigration 101

The enforcement of immigration laws is a complex and hotly-debated topic. Learn more about the costs of immigration enforcement and the ways in which the U.S. can enforce our immigration laws humanely and in a manner that ensures due process.

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

How USCIS Estimates Application and Petition Processing Times

Publication Date: 
July 18, 2018
This fact sheet provides an overview of how USCIS calculates processing times and the concerns over the accuracy of these estimates.
  • Special Report

The Immigrant Success Story

Publication Date: 
June 11, 2018
Some confusion exists regarding the economic aspects of family-based immigration. To help unpack those aspects, this report focuses on one of them—namely, the earnings of family-based immigrants.
  • Fact Sheet

The End of Immigration Enforcement Priorities Under the Trump Administration

Publication Date: 
March 7, 2018
Enforcement of U.S. immigration laws has historically been guided by policies that emphasize prioritization. However, this practice has largely been abandoned since the inauguration of President...
  • Special Report

Foreign-Trained Doctors are Critical to Serving Many U.S. Communities

Publication Date: 
January 17, 2018
U.S. immigration policies significantly limit the ability of these doctors to immigrate to and practice in the United States. As policy-makers debate what immigration reforms would best serve the...
  • Fact Sheet

The Diversity Immigrant Visa Program: An Overview

Publication Date: 
November 13, 2017
This fact sheet provides an overview of the diversity visa program, the requirements and security checks currently in place, and demographic information about recipients.
  • Fact Sheet

The RAISE Act

Publication Date: 
August 11, 2017
The Reforming American Immigration for Strong Employment Act (RAISE Act) or S. 354 would mark a sweeping overhaul of the U.S. immigration system. It would significantly reduce levels of legal...
  • Fact Sheet

Immigration Detainers: An Overview

Publication Date: 
March 21, 2017
This fact sheet explains detainers, how they are used by federal and local enforcement, and the impact they have on immigrants.
  • Fact Sheet

The Impact of Immigrant Women on America’s Labor Force

Publication Date: 
March 8, 2017
There are nearly 12 million immigrant (foreign-born) women workers in the United States today, comprising just over 7 percent of the total labor force.
  • Fact Sheet

The Three- and Ten-Year Bars

Publication Date: 
October 28, 2016
This Fact Sheet provides background on the three- and ten-year bars and waivers, and explains the recent regulatory changes.
  • Fact Sheet

Public Education for Immigrant Students: Understanding Plyler v. Doe

Publication Date: 
October 24, 2016
This fact sheet provides an overview of the Supreme Court’s decision in Plyler v. Doe and subsequent efforts by states and localities to avoid compliance with the decision.
  • Blog

2023 ‘Celebrate America’ Creative Writing Contest Winner: 3

July 18, 2023

Written by 5th grade student Lillie Villezcas of Nevada  3 I am number 3, but how does number 3 apply to me? I am third generation of an immigrant family, third generation of fading traditions 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

USCIS Finalizes Increase in Fees for Immigration-Related Applications

February 9, 2024

U.S. Citizenship and Immigration Services (USCIS) finalized its long-awaited fee rule on January 31, which impacts the filing costs for almost all the agency’s applications. The new fees will take...

  • Blog

Data Snapshot: The Number of Black Immigrants in the US Continues to Rise

February 9, 2024

By Karen Aho and Quinn Bankson Black immigrants not only contribute to America’s rich political and cultural history—think rapper Wyclef Jean, U.S. Congresswoman Ilhan Omar, or basketball’s Hakeem...

  • Fact Sheet

The “Migrant Protection Protocols”

Publication Date: 
February 1, 2024
Under the “Migrant Protection Protocols”, individuals who arrive at the southern border and ask for asylum (either at a port of entry or after crossing the border between ports of entry) are given...
  • Blog

200 Immigration-Related Bills Have Already Been Introduced in State Legislatures in 2024

January 26, 2024

Amid inaction from the federal government on immigration policy and growing calls for action from localities, some state legislatures are taking a proactive role in welcoming immigrants and...

  • Blog

Naturalization Helps Immigrants and the United States Reach Full Potential

January 19, 2024

By Karen Aho, Consultant and Anna Shepperson, Research Associate When Sri Lankan business analyst Dinesh Prabaharan became a U.S. citizen in December of 2023, he expressed his gratitude at finally...

  • Fact Sheet

Naturalization in the United States

Publication Date: 
January 19, 2024
This fact sheet provides an overview of the benefits of obtaining naturalized citizenship in the United States, as well as information about the naturalized population and those who meet the...
  • Fact Sheet

Asylum in the United States

Publication Date: 
January 15, 2024
Asylum seekers must navigate a difficult and complex process that can involve multiple government agencies. This fact sheet provides an overview of the asylum system in the United States, including...
  • Blog

State Department Extends Nonimmigrant Visa Interview Waivers Indefinitely

January 11, 2024

The State Department announced an update to its discretionary interview waiver policy for nonimmigrant visa applicants on December 21, 2023. It replaces the temporary policies in place for almost...

  • Blog

States Facing Worker Shortages Are Helping Migrants Secure Employment with New Resource Clinics

December 8, 2023

Many migrants, after being released from government custody, resettle in interior communities. These individuals and families often need immediate support in the form of housing, food, and...

  • 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...

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