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

  • Blog

In Historic Ruling, Thousands of Immigrants Waiting for Their Immigration Records Can Now Challenge Agency Delay

October 17, 2019

A federal court in San Francisco certified two nationwide classes of immigrants and attorneys challenging extreme agency delays in producing immigration case files. Plaintiffs allege that U.S....

  • Blog

How Trump’s New Healthcare Ban Threatens the Legal Immigration System

October 9, 2019

President Trump invoked the same legal authority used for the Travel Ban to impose a sweeping new ban on legal immigration last week. Under the new ban, which analysis suggests could block as much...

  • Blog

Deporting Immigrants Does Not Lower Crime, According to Study

September 25, 2019

The mass deportation of immigrants from the United States under the Secure Communities program has had no appreciable impact on local crime rates. Why? Because most of the immigrants being...

  • Blog

The National Park Service Warns Border Wall Construction Could Destroy 22 Archaeological Sites 

September 23, 2019

In the Trump administration’s rush to build a wall along the U.S.-Mexico border, 22 archaeological sites could be damaged or entirely destroyed. This warning comes from an internal National Park...

  • Blog

Trump Administration Considers Lowering the Refugee Cap to Zero

September 13, 2019

The Trump administration is considering decreasing the maximum number of refugees accepted into the United States to 10,000 and as possibly low as zero, administration officials confirmed last...

  • Blog

The Opportunity Immigration Presents to the Changing US Economy

September 5, 2019

The U.S. economy is changing—and immigration can play a major role in how it looks in the future. But how immigration shapes the future of the U.S. economy and its workforce is dependent on a...

  • Blog

Iraqi Interpreters Who Risked Their Lives Working With US Military Shut Out by Trump Administration

September 3, 2019

Iraqi interpreters who risked their lives to work with the American military have been effectively shut out from obtaining the special U.S. visa they were promised. The Trump administration issued...

  • Blog

Immigration “Restrictionists” Hitting Their Stride Under Trump, But We Can Stop Them

August 23, 2019

Short-term thinking is inferior to long-term thinking, some argue, because it does a disservice to the future and those who will live it.  Two long-term thinkers who have profoundly impacted U.S....

  • Blog

New Public Charge Rule Imposes Wealth Test on Newcomers

August 13, 2019

The Department of Homeland Security (DHS) published the final version of its new “public charge” regulation on Monday morning. The rule would make it easier for the government to deny a green card...

  • Blog

Community Support Flows Into El Paso After Mass Shooting

August 7, 2019

El Paso, Texas suffered a horrific tragedy on Saturday when a gunman entered a local Walmart and opened fire. The gunman—who was emboldened by racist rhetoric to specifically target immigrants and...

  • Blog

Naturalization Fees: A Poll Tax Hidden in Plain Sight

October 21, 2020

The application fee to apply for U.S. citizenship was due to rise from $640 to $1170 on October 2. Though the fee hike was temporarily blocked in federal court, this is not the first time U.S....

  • Blog

How Proposed Changes to ‘Duration of Status’ Rules Will Impact Students and Exchange Visitors

October 20, 2020

The Department of Homeland Security (DHS) has published a proposed rule that will make it more difficult for individuals applying for admission in a J-1 exchange visitor or F-1 student visa...

  • Blog

The Senate Reveals CBP Violated the Law by Rounding Up Migrants — In Guatemala

October 19, 2020

As the Trump administration cracked down on migrants at the U.S.-Mexico border, it has often invoked the concept of “national sovereignty” to justify drastic policy changes. But a new Senate...

  • Advocacy

Comment on DHS Proposed Rule to Drastically Expand the Definition and Collection of Biometrics

October 13, 2020
The American Immigration Council, the Immigration Defense Clinic at Colorado Law, and the American Immigration Lawyers Association, submitted a comment in opposition to the Department of Homeland Security proposed rule on the "Collection and Use of Biometrics by U.S. Citizenship and Immigration Services."
  • Blog

Indigenous People Face Persistent Language Access Challenges in Immigration Detention

October 12, 2020

The effort to permanently replace Columbus Day with Indigenous Peoples’ Day signifies a growing movement to honor the resilience and history of indigenous communities. The day presents an...

  • Blog

USCIS’ Changes to ‘Affidavit of Support’ Make It Harder for Americans to Sponsor Immigrant Family Members

October 7, 2020

The Department of Homeland Security has proposed a rule that would make it much more difficult for U.S. citizens and legal immigrants—especially those experiencing financial hardship—to sponsor...

  • Advocacy

Summary of Proposed Changes to Student and Exchange Visitor Admissions Process by DHS

October 6, 2020

This document provides a summary of the Department of Homeland Security's September 25, 2020, Proposed Rule, "...

  • Fact Sheet

The Difference Between Asylum and Withholding of Removal

Publication Date: 
October 6, 2020
This fact sheet provides an overview of withholding of removal, including the basics of seeking protection in the United States, eligibility requirements, the application process, and data on...
  • Advocacy

Comments on U.S. Customs and Border Protection Records Destruction Schedule

September 30, 2020

U.S. Customs and Border Protection (CBP) is attempting to permanently destroy records related to civil rights complaints against the agency, administrative and criminal investigations into...

  • Special Report

The Impact of COVID-19 on Noncitizens and Across the U.S. Immigration System

Publication Date: 
September 30, 2020
This report identifies disruptions throughout the immigration system because of the COVID-19 pandemic and makes recommendations for improvements to the federal government’s response.

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