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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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

These Anti-Immigrant Organizations Are Behind the Effort to Derail Executive Action on Immigration

June 13, 2016

The tentacles of the modern anti-immigrant movement in the United States extend far and wide, but they emanate from a single source: John Tanton—a white nationalist trying his hardest to ensure...

  • Blog

The Ever-Changing Demographics of America

June 9, 2016

If there’s one constant throughout human history, it’s that everything changes. New scientific discoveries are made and new technologies are invented. New nations are born from the ashes of...

  • Blog

States Will Need Immigrants to Counter Aging of the Labor Force

June 1, 2016

New population projections from the University of Virginia’s Demographics Research Group show that in many states in the Northeast and Midwest, growth of the working-age population is slowing due...

  • Blog

Restrictive Voting Laws Threaten to Block Millions of Latino Voters, Including Many Newly-Naturalized

May 12, 2016

Naturalization and voter registration rates have surged in recent months, but strict new voter laws in many states are threatening to reduce the number of Latinos voters (including many newly...

  • Blog

What the New Citizenship Fee Structure Means for Aspiring Americans

May 11, 2016

U.S. Citizenship and Immigration Service (USCIS) is primarily a fee-funded agency within the Department of Homeland Security (DHS). Every two years they are required to review the fees they...

  • Blog

Report on Immigrant Welfare Use is Fundamentally Flawed—Here’s Why

May 10, 2016

It’s déjà vu all over again at the Center for Immigration Studies (CIS). Having released one flawed report on immigrant “welfare” use late last year, CIS has followed up with another that contains...

  • Blog

Trump’s Mass Deportation Plan Would Seriously Damage the U.S. Economy

May 9, 2016

Donald Trump’s approach to immigration seems to rest on three pillars: the construction of a big wall across the entire U.S.-Mexico border, the banning of all Muslim immigration to the United...

  • Blog

Sorry Trump, Immigration is Still Associated with Less Crime and Safer Communities

April 29, 2016

Donald Trump opened a political rally in Southern California last night by sharing the stage with activists who have lost loved ones at the hands of immigrants in the U.S. without legal status....

  • Blog

GOP Perfects Its Formula for Losing the Latino Vote

April 25, 2016

After each of the last few national elections, Republican strategists prognosticated that despite their low support among Latino voters, the Republican Party could begin to win them over by...

  • Blog

Polls Show Millennials More Likely to Reject Deportation and Support Path to Citizenship

April 4, 2016

In contrast to the virulent anti-immigrant rhetoric coming from several presidential candidates, new polling shows that the majority of Americans – 62 percent – support allowing undocumented...

  • Blog

The Invisible Wall That President Trump Has Already Built

March 21, 2018

Legal immigration and the number of foreigners visiting the United States has taken a serious hit within the last year, as the Trump administration makes changes to policies and procedures without...

  • Blog

The United States’ Undocumented Population Has Been on the Decline Since 2010

March 8, 2018

With approximately 11 million undocumented immigrants currently living in the United States, curbing unauthorized immigration has been at the forefront of the Trump administration’s enforcement...

  • 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...
  • Blog

Removal of ‘Nation of Immigrants’ from USCIS Mission Ignores Agency’s Mandate and American History

February 26, 2018

Francis Cissna, Director of the United States Citizenship and Immigration Services (USCIS), unveiled a new mission statement for the agency last week, notably deleting the words “a nation of...

  • Blog

Lawmakers Are Blaming Undocumented Immigrants for the Opioid Epidemic

February 15, 2018

The scapegoating of immigrants for crime in the United States was on full display at a February 15 hearing of the House Judiciary Committee. The hearing was devoted to exploring the ways in which...

  • Legal Resources and Litigation

Statement for the House Judiciary Subcommittee on Immigration and Border Security on "The Effect of Sanctuary City Policies on the Ability to Combat the Opioid Epidemic"

February 15, 2018
The statement includes our report, The Criminalization of Immigration in the United States, which details empirical data demonstrating that immigration is not linked to higher crime rates.
  • Blog

Immigrants Bring Home the Gold for the U.S. Olympics Team

February 14, 2018

From their meme-worthy Opening Ceremony gloves to some stunning wins on the halfpipe, Team USA has started the 2018 Winter Olympics off with a bang. Early victories in the Pyeongchang, South Korea...

  • Blog

What Views Do Millennials Hold Around Immigration?

February 12, 2018

The Millennial Generation constitutes the most racially and ethnically diverse generation America has ever known. Millennials are the largest living generation by population size (79.8 million in...

  • Blog

A New Report Shows the Continuing Overcriminalization of Immigrants

February 9, 2018

After more than a century of research and analysis, it has become quite clear that immigrants are far less prone to criminal conduct than the native-born population. And yet researcher John R....

  • Blog

U.S. Government Skews Terrorism Data to Add Fuel to the Anti-Immigrant Fire

January 23, 2018

The Department of Homeland Security (DHS) and the Department of Justice (DOJ) released a report which comes to a rather predictable conclusion: most of the “international terrorists” in the United...

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