Illegal Immigration & Interior Enforcement

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

Articles April 11, 2024 South American Immigrants in the United States By Julian Montalvo and Jeanne Batalova	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
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	Articles March 13, 2024 Frequently Requested Statistics on Immigrants and Immigration in the United States By Jeanne Batalova
Reports March 2024 Diverging Paths: The Impacts of COVID-19 on Migration in the Middle East and North Africa By Samuel Davidoff-Gore	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
Reports March 2024 Coordination Breakdown: The Impacts of COVID-19 on Migration in Europe By Frey Lindsay	Articles March 6, 2024 Iran Faces Dwindling Water and Escalating Climate Pressures, Aggravating Displacement Threats By Javid Rostami and Arash Asad Paski

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Reports March 2024 Diverging Paths: The Impacts of COVID-19 on Migration in the Middle East and North Africa By Samuel Davidoff-Gore	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
Reports March 2024 Coordination Breakdown: The Impacts of COVID-19 on Migration in Europe By Frey Lindsay	Reports February 2024 Outmatched: The U.S. Asylum System Faces Record Demands By Kathleen Bush-Joseph
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	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
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	Reports November 2023 Immigration and Integration in the Ever More Diverse Houston Area By Valerie Lacarte, Michael Fix and Jeanne Batalova

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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.

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.

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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.

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Commentaries

March 2023

Revamping Asylum at the U.S.-Mexico Border: A Workable Rescue?

The border asylum proposed rule the Biden administration unveiled in February represents a bid to save the U.S. asylum system, not shut it down, as some contend. Whether it can succeed, however, depends on how it is implemented and on other steps that are beyond the bounds of the proposed rule, as this commentary explains.

Articles

February 7, 2023

Post-Soviet Labor Migrants in Russia Face New Questions amid War in Ukraine

Millions of immigrants fill key sectors in Russia’s economy, help offset its demographic challenges, and support origin communities, particularly in Central Asia. Since Russia's invasion of Ukraine, many have also been pressured into joining the military, and meanwhile face continued marginalization by Russian society. This article outlines the key issues facing these migrants, some of which have been complicated by the fallout from the war.

Articles

February 2, 2023

Migrants in Need Report Barriers to Assistance and Fragile Trust in Humanitarian Organizations

Many refugees, asylum seekers, and other migrants do not trust humanitarian actors, are unable to access assistance, or did not have support when they needed it. This article, featuring findings from a large-scale survey involving more than 16,000 migrants in countries around the world, provides an overview of these challenges.

Articles

January 26, 2023

Biden at the Two-Year Mark: Significant Immigration Actions Eclipsed by Record Border Numbers

At his term's midpoint, President Joe Biden has relied on executive action to advance his immigration agenda more than his predecessors, including Donald Trump. Yet many of the changes to interior enforcement, humanitarian protection, and other areas have been overshadowed by the record pace of arrivals at the U.S.-Mexico border, which has presented the administration with major policy and operational challenges.

Articles

January 12, 2023

Chinese Immigrants in the United States

The number of Chinese immigrants in the United States had grown swiftly for decades but shrank amid the COVID-19 pandemic. As a whole, Chinese immigrants tend to have more education and higher salaries than other immigrants, although they are less likely to be fluent in English. This article provides a sociodemographic profile of Chinese immigrants in the United States, their top destination globally.

Articles

December 20, 2022

‘Recalcitrant’ and ‘Uncooperative’: Why Some Countries Refuse to Accept Return of Their Deportees

Every year, thousands of migrants ordered deported from EU Member States, the United States, and elsewhere are not returned to their origin countries. Why? One reason is the multiple nations that refuse to cooperate on readmitting their nationals abroad. This article explores the motivations behind countries’ lack of cooperation and how deporting states have responded.

Fact Sheets

November 2022

A Profile of Low-Income Immigrants in the United States

Immigrants in the United States experience strong economic mobility overall. But for some, limited educational attainment and English proficiency, and the challenges of restarting life in a new country, can result in low incomes and economic hardship. This fact sheet looks at the origins, states of residence, demographic and socioeconomic characteristics, and employment of low-income immigrants.

Articles

October 27, 2022

Amid Record Venezuelan Arrivals, Biden Administration Embraces Border Expulsions Policy

The Biden administration’s policy to expel some Venezuelan border arrivals to Mexico marks a significant reversal. For the first time, the U.S. government is invoking the controversial Title 42 expulsions policy not on public-health grounds but as an explicit immigration enforcement measure. The expulsions are being paired with a new humanitarian parole program for up to 24,000 Venezuelans. This article assesses the policy and the uneven treatment of humanitarian migrants by nationality.

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