E.g., 04/23/2024
E.g., 04/23/2024
Illegal Immigration & Interior Enforcement

Illegal Immigration & Interior Enforcement

Deportations/Returns
Employment Verification
State & Local Enforcement
Worksite Enforcement
_IllegalImm+IntEnforcement

lllegal immigration is a phenomenon confronted by many major immigrant-receiving countries, one that vexes policymakers and publics alike. While much of the focus may be on border enforcement, there are an array of interior enforcement policies aimed at identifying unauthorized immigrants for removal, including worksite enforcement, employment verification, jail-house screening, and state and local law enforcement activity. The research below delves into many facets of illegal immigration and enforcement occcuring away from national borders.

Recent Activity

Flags of South American countries.
Articles
April 11, 2024
South American Immigrants in the United States
By Julian Montalvo and Jeanne Batalova
Image of female worker at the Boqueria market in Barcelona making a crepe
Commentaries
March 2024
As Europe and the United States Face Similar Migration Challenges, Spain Can Act as a Bridge
By  Anna Terrón Cusí and Andrew Selee
President Joe Biden in Mexico City.
Articles
March 27, 2024
The Limits of the Go-It-Alone Approach: U.S. Migration Management Increasingly Requires Other Countries’ Cooperation
By Muzaffar Chishti and Colleen Putzel-Kavanaugh
A naturalization ceremony at the White House.
Articles
March 13, 2024
Frequently Requested Statistics on Immigrants and Immigration in the United States
By Jeanne Batalova
Cover image for Diverging Paths
Reports
March 2024
Diverging Paths: The Impacts of COVID-19 on Migration in the Middle East and North Africa
By  Samuel Davidoff-Gore
Cover image for Converging Crises
Reports
March 2024
Converging Crises: The Impacts of COVID-19 on Migration in South America
By  Luisa Feline Freier, Andrea Kvietok and Leon Lucar Oba
Cover image for Coordination Breakdown
Reports
March 2024
Coordination Breakdown: The Impacts of COVID-19 on Migration in Europe
By  Frey Lindsay
Afghan refugees in Iran's Semnan refugee settlement.
Articles
March 6, 2024
Iran Faces Dwindling Water and Escalating Climate Pressures, Aggravating Displacement Threats
By Javid Rostami and Arash Asad Paski

Pages

Cover image for Diverging Paths
Reports
March 2024
Diverging Paths: The Impacts of COVID-19 on Migration in the Middle East and North Africa
By  Samuel Davidoff-Gore
Cover image for Converging Crises
Reports
March 2024
Converging Crises: The Impacts of COVID-19 on Migration in South America
By  Luisa Feline Freier, Andrea Kvietok and Leon Lucar Oba
Cover image for Coordination Breakdown
Reports
March 2024
Coordination Breakdown: The Impacts of COVID-19 on Migration in Europe
By  Frey Lindsay
Cover image for Outmatched: The U.S. Asylum System Faces Record Demands
Reports
February 2024
Outmatched: The U.S. Asylum System Faces Record Demands
By  Kathleen Bush-Joseph
Cover image for Migration at the U.S.-Mexico Border
Reports
January 2024
Migration at the U.S.-Mexico Border: A Challenge Decades in the Making
By  Alan D. Bersin, Nate Bruggeman and Ben Rohrbaugh
Shifting Realities at the U.S.-Mexico Border report
Reports
January 2024
Shifting Realities at the U.S.-Mexico Border: Immigration Enforcement and Control in a Fast-Evolving Landscape
By  Ariel G. Ruiz Soto, Colleen Putzel-Kavanaugh and Doris Meissner
Cover image for What Role Could Digital Technologies Play...
Policy Briefs
December 2023
What Role Could Digital Technologies Play in the New EU Pact on Migration and Asylum?
By  Lucía Salgado and Hanne Beirens
Cover image for Immigration and Integration in the Ever More Diverse Houston Area
Reports
November 2023
Immigration and Integration in the Ever More Diverse Houston Area
By  Valerie Lacarte, Michael Fix and Jeanne Batalova

Pages

Flags of South American countries.
Spotlight
April 11, 2024
South American Immigrants in the United States

The South American immigrant population in the United States has grown at a faster rate than that of the overall foreign-born population, amid crises in Venezuela, Colombia, and elsewhere. Yet South Americans still account for only about one in ten U.S. immigrants. While they mirror the overall U.S. immigrant population in several demographic characteristics, there are some notable differences, as this article details.

President Joe Biden in Mexico City.
Policy Beat
March 27, 2024
The Limits of the Go-It-Alone Approach: U.S. Migration Management Increasingly Requires Other Countries’ Cooperation

The U.S. immigration enforcement system increasingly depends on other countries to help halt irregular movements through the Americas and accept the return of unauthorized migrants. Foreign governments play a crucial and yet underappreciated role in migration management, and can either aid or frustrate U.S. border-control aims, as this article explores.

A naturalization ceremony at the White House.
Spotlight
March 13, 2024
Frequently Requested Statistics on Immigrants and Immigration in the United States

Immigration touches on many facets of life in the United States. Get the facts with this useful resource, which compiles in one place answers to some of the most often-asked questions about immigration and immigrants in the United States now and historically. This article contains essential data on the immigrant population, immigration levels, trends in immigration enforcement, and much more.

Afghan refugees in Iran's Semnan refugee settlement.
Feature
March 6, 2024
Iran Faces Dwindling Water and Escalating Climate Pressures, Aggravating Displacement Threats

Floods, heatwaves, and other extreme weather events have displaced hundreds of thousands of people in Iran, with repercussions for residents including the 3.4 million refugees and other forced migrants, who are restricted to climate-affected areas. Environmental challenges may also be pushing some people to move internationally. This article offers a rare look at the climate and migration dynamics in Iran.

A member of the Texas National Guard faces migrants in Eagle Pass, Texas.
Policy Beat
February 28, 2024
Standoff at Eagle Pass: A High-Stakes U.S. Border Enforcement Showdown Comes to a Small Texas Park

Rising tensions between Texas and the federal government have sparked fears of a constitutional crisis after the state deployed its National Guard to prevent the U.S. Border Patrol from conducting operations in a city park in Eagle Pass, with Texas Governor Greg Abbott saying the “invasion” of migrants triggered the need for action. This article provides an overview of the standoff and the larger context of current and past state-federal tensions over immigration enforcement.

Pages

archive >
Image of female worker at the Boqueria market in Barcelona making a crepe
Commentaries
March 2024
As Europe and the United States Face Similar Migration Challenges, Spain Can Act as a Bridge
By  Anna Terrón Cusí and Andrew Selee
Image of EU and Member State flags flapping in wind
Commentaries
December 2023
One Phase Closes for the New Pact on Migration and Asylum. Now Another Begins
By  Hanne Beirens and Camille Le Coz
Aerial photo of the U.S. Capitol
Commentaries
November 2023
The U.S.-Mexico Border Problem Will Not Be “Solved” Until All Parts of the Border Enforcement System Are Properly Resourced
By  Doris Meissner
CBP personnel process and screen migrants for possible entry into the U.S.
Commentaries
October 2023
Shifting Patterns and Policies Reshape Migration to U.S.-Mexico Border in Major Ways in 2023
By  Colleen Putzel-Kavanaugh and Ariel G. Ruiz Soto
President Biden meets with DACA recipients
Commentaries
September 2023
A Shrinking Number of DACA Participants Face Yet Another Adverse Court Ruling
By  Ariel G. Ruiz Soto and Julia Gelatt
Vice President Kamala Harris participates in a DACA roundtable
Commentaries
September 2023
A Turning Point for the Unauthorized Immigrant Population in the United States
By  Jennifer Van Hook, Julia Gelatt and Ariel G. Ruiz Soto
Photo of a mural at Las Americas, a legal assistance nonprofit in El Paso, Texas
Commentaries
May 2023
Regional Processing Centers: Can This Key Component of the Post-Title 42 U.S. Strategy Work?
By  Andrew Selee
Photo of CBP One App poster at shelter in Reynosa, Mexico
Commentaries
April 2023
A Post-Title 42 Vision for Migration Management Comes into Focus
By  Doris Meissner, Ariel G. Ruiz Soto and Colleen Putzel-Kavanaugh
CBP agents process asylum seeker at El Paso, Texas port of entry
Commentaries
March 2023
Revamping Asylum at the U.S.-Mexico Border: A Workable Rescue?
By  Doris Meissner
Photo of individuals re-entering Mexico after U.S. expulsion
Commentaries
October 2022
Record-Breaking Migrant Encounters at the U.S.-Mexico Border Overlook the Bigger Story
By  Ariel G. Ruiz Soto

Pages

Explainers
April 2019

Explainer: Illegal Immigration in the United States

How has the size of the unauthorized population in the United States changed over time? How is illegal immigration changing, and where do unauthorized immigrants come from? This explainer answers basic questions about illegal immigration, the changing patterns from Mexico, and more.

Expert Q&A, Audio
October 19, 2023

Documenting the Migration Journey: African Kinship Dynamics in Europe

African migrants turn to the strength of kinship-based support systems in pursuit of stability as they settle in a European landscape that is sometimes made precarious by their legal status and shifting policies. This episode discusses use of the kinship networks, including to exchange or broker identity documents between migrants along the migration journey and at destination.

Video
September 18, 2023

20th Annual Immigration Law and Policy Conference

The 20th annual Immigration Law and Policy Conference, organized by MPI, Catholic Legal Immigration Network, Inc., and Georgetown University Law Center, features fresh, thoughtful policy and legal analysis, and discussion of some of the top immigration issues by leading government officials, attorneys, researchers, advocates, and other experts. 

Video, Audio
July 25, 2023

Improving Communications in the Voluntary Return and Reintegration Network

This webinar explores the goals and target audiences for public-facing information campaigns on voluntary return and reintegration, how to evaluate dissemination gaps, and the risks associated with inadvertently issuing messages that are not trusted or are misunderstood.

Video
July 20, 2023

Straining under the Backlog: Fixing a U.S. Immigration Court System in Crisis

As the U.S. immigration court system struggles with record case backlogs, decisions take years, immigration enforcement is delayed, and wait times incentivize unauthorized arrivals. This discussion examines the factors that have driven the system to the point of crisis and possible fixes.

Expert Q&A, Audio
June 27, 2023

A Mixed Welcome: Haitian Migration within the Caribbean

MPI Senior Policy Analyst Valerie Lacarte speaks with experts Bridget Wooding and Louby George about migration of Haitians to the Dominican Republic and the Bahamas.

Pages

Recent Activity

Articles
February 28, 2024

Standoff at Eagle Pass: A High-Stakes U.S. Border Enforcement Showdown Comes to a Small Texas Park

Rising tensions between Texas and the federal government have sparked fears of a constitutional crisis after the state deployed its National Guard to prevent the U.S. Border Patrol from conducting operations in a city park in Eagle Pass, with Texas Governor Greg Abbott saying the “invasion” of migrants triggered the need for action. This article provides an overview of the standoff and the larger context of current and past state-federal tensions over immigration enforcement.

Reports
February 2024

Outmatched: The U.S. Asylum System Faces Record Demands

The U.S. humanitarian protection system, known for its long history of assisting those in need, has come under incredible pressure in recent years. The asylum adjudications system, which is under-resourced, is struggling to keep up with record asylum seeker arrivals at the U.S.-Mexico border. This report examines the state of the asylum system, including changes under the Biden administration and potential lessons for other countries.

Articles
January 30, 2024

China’s Demand for Brides Draws Women from Across Southeast Asia—Sometimes by Force

An unknown number of women and girls from Southeast Asia have gone to China to marry Chinese men. Many go voluntarily, hoping for a better quality of life for themselves and their families. But some are deceived into their situation and are victims of human trafficking. This article takes a look at the phenomenon of marriage migration spurred by China's gender imbalance.

Reports
January 2024

Migration at the U.S.-Mexico Border: A Challenge Decades in the Making

Unauthorized migration at the U.S.-Mexico border has been a high-profile and politically divisive issue for decades. But as the nature of migration at the border has changed profoundly, U.S. policy responses have struggled to keep up. This report explores the changing nature of migration flows and migration policy at the border from the early 1990s until today, highlighting key lessons for contemporary policy-making.

Articles
January 19, 2024

Biden at the Three-Year Mark: The Most Active Immigration Presidency Yet Is Mired in Border Crisis Narrative

In three years, President Joe Biden has surpassed the number of immigration-focused executive actions taken by the Trump administration throughout its entire four-year term, making his the most active U.S. presidency ever on immigration. Yet the Biden administration has been repeatedly accused of inaction at the U.S.-Mexico border, where record levels of migrant encounters have occurred. This article reviews the Biden track record on immigration.

Articles
January 11, 2024

European Immigrants in the United States

One-tenth of all immigrants in the United States come from Europe, a vast decline from the mid-20th century, as migration within Europe has grown and more U.S. immigrants arrive from other destinations. This article provides an overview of contemporary European immigration to the United States, as a region and by top European countries of origin.

Reports
January 2024

Shifting Realities at the U.S.-Mexico Border: Immigration Enforcement and Control in a Fast-Evolving Landscape

All eyes are on the U.S.-Mexico border, where shifting migration trends and record migrant arrivals have stretched the U.S. border management system beyond its capabilities. As the Biden administration continues to implement its new regime of incentives for orderly arrivals and disincentives for unauthorized crossings, this report analyzes the rapidly changing policy and migration realities and outlines recommendations for a more effective, durable system of border control.

Commentaries
December 2023

One Phase Closes for the New Pact on Migration and Asylum. Now Another Begins

The New Pact on Migration and Asylum agreed in December 2023 by EU Member States and the European Parliament after lengthy negotiation will, without a doubt, go down in history as a signal political accomplishment. But will it result in better management of migration and asylum systems in a complex era? The outcome will turn on implementation and communication, this MPI Europe commentary explains.

Pages