How the Immigration System Works

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.

READ MORE

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.

READ MORE

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.

READ MORE

All How the Immigration System Works Content

  • Special Report

Giving the Facts a Fighting Chance: Addressing Common Questions on Immigration

Publication Date: 
December 14, 2015

Americans pride themselves on belonging to a nation of immigrants. In fact, many Americans celebrate not only the traditions of the United States, but the traditions of the countries from which...

  • Legal Resources and Litigation

Statement for the Senate Homeland Security and Governmental Affairs Committee on "Ongoing Migration from Central America: An Examination of FY2015 Apprehensions"

October 21, 2015
The statement shares our research and analysis regarding the children and families that have fled Central American violence to the United States.
  • Legal Resources and Litigation

Statement for the Senate Judiciary Committee on "Oversight of the Administration's Misdirected Immigration Enforcement Policies: Examining the Impact on Public Safety and Honoring the Victims"

July 21, 2015
The statement highlights that immigrants are less likely to be serious criminals than the native-born and that high rates of immigration are associated with lower rates of violent crimes and property crimes.
  • Legal Resources and Litigation

Statement for the Senate Homeland and Security and Governmental Affairs Committee on "The 2014 Humanitarian Crisis at our Border: A Review of the Government's Response to Unaccompanied Minors One Year Later"

July 7, 2015
The statement highlights our revised report, A Guide to Children Arriving at the Border: Laws, Policies and Responses (June 2015), which explains why children are fleeing their homes in Central America, what happens to the children once they are in U.S. custody, and what the government has done in response.
  • 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

Second Annual DHS Progress Report

Publication Date: 
April 12, 2011
In its second year under the Obama Administration, the Department of Homeland Security (DHS)—which is responsible for the nation’s three immigration agencies (USCIS, CBP, and ICE)—continues to...
  • Special Report

Breaking Down the Problems: What's Wrong with our Immigration System

Publication Date: 
January 1, 2010
While some characterize our immigration crisis as solely an issue of the 11 to 12 million unauthorized...
  • Special Report

Essential to the Fight: Immigrants in the Military Eight Years After 9/11

Publication Date: 
November 9, 2009
From the Revolutionary War to the current conflicts in Afghanistan and Iraq, immigrants have made significant contributions to the United States by serving in our military forces. Today, immigrants...
  • Special Report

Breaking Down the Problems: What's Wrong with Our Current Immigration System?

Publication Date: 
October 21, 2009
While some characterize our immigration crisis as solely an issue of the 11 to 12 million unauthorized immigrants living in this country, our problems extend beyond the number of undocumented people...

Most Read

  • Publications
  • Blog Posts
  • Past:
  • Trending