E.g., 04/24/2024
E.g., 04/24/2024
Illegal Immigration & Interior Enforcement

Illegal Immigration & Interior Enforcement

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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.

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Cover image for Better Responses to Differing Immigration Statuses: Spreading and Adapting 2Gen Work
Policy Briefs
May 2022
By  Chris Estes, Devin Deaton, Aparna Jayashankar and Margie McHugh
Cover image for COVID-19 and the State of Global Mobility in 2021
Reports
May 2022
By  Meghan Benton, Samuel Davidoff-Gore, Jeanne Batalova, Lawrence Huang and Jie Zong
Cover image for Migración de Huehuetenango en el Altiplano Occidental de Guatemala
Reports
March 2022
By  Andrew Selee, Luis Argueta and Juan José Hurtado Paz y Paz
Cover image for Migration from Huehuetenango in Guatemala’s Western Highlands
Reports
March 2022
By  Andrew Selee, Luis Argueta and Juan José Hurtado Paz y Paz
Cover image for Four Years of Profound Change: Immigration Policy during the Trump Presidency
Reports
February 2022
By  Jessica Bolter, Emma Israel and Sarah Pierce

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New York City Mayor Eric Adams meeting with asylum seekers.

U.S. cities have spent billions of dollars to provide shelter, health care, and other resources to migrants recently arrived from the U.S.-Mexico border. The exceptional costs, which the New York mayor has described as existential, are due to a unique combination of factors, this article explains, including the large numbers of migrants arriving without local connections and long waits for work permits.

Calle Ocho en el barrio de la Pequeña Habana de Miami.

Los cubanos constituyen el mayor grupo de inmigrantes caribeños en Estados Unidos. La población está creciendo, ya que en los últimos años se ha producido la mayor oleada de emigración de la historia moderna de Cuba. Este artículo ofrece estadísticas clave sobre los 1.3 millones de inmigrantes cubanos en Estados Unidos.

Migrants in the Darien Gap village of Canaan Membrillo, Panama.

Passage through the Darien Gap has transformed migration across the Americas. Hundreds of thousands of people have taken the incredibly perilous journey across the remote jungle between Colombia and Panama, risking exposure to hazardous terrain, criminal groups, and other dangers. As this article outlines, governments have struggled to respond to the growing movement, expected to top 500,000 crossings in 2023.

A sign for Calle Ocho in Miami's Little Havana neighborhood.

Cubans comprise the largest Caribbean immigrant group in the United States, and for decades have benefitted from uniquely preferential immigration programs. The population is growing, as recent years have seen the largest wave of emigration in Cuba's modern history. This article offers key statistics about the 1.3 million Cuban immigrants in the United States.

Boys on a fishing boat on the shores of Lake Tanganyika

Tanzania’s previously generous policies towards refugees have been growing more restrictive. Many refugees are confined to camps separated from the rest of the community, and authorities have been accused of pressuring thousands of migrants to return to Burundi and Mozambique. In border communities, however, relations between natives and foreign nationals are much calmer, as this article details.

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EuropeanParliament EPphoto Flickr
Commentaries
May 2019
By  Natalia Banulescu-Bogdan
DREAMERS Justin ValasFlickr
Commentaries
March 2019
By  Julia Gelatt
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Commentaries
January 2019
By  Doris Meissner and Sarah Pierce
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Commentaries
November 2018
By  Doris Meissner
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Commentaries
September 2018
By  Julia Gelatt, Michael Fix and Jennifer Van Hook
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Commentaries
June 2018
By  Jessica Bolter and Doris Meissner
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Commentaries
June 2018
By  Jessica Bolter and Sarah Pierce
Deferred Action Summit
Commentaries
June 2018
By  Julia Gelatt and Ariel G. Ruiz Soto

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Expert Q&A, Audio
October 20, 2021

People on all sides of the policy debate largely agree that the U.S. immigration system is broken. What should a 21st century system that works in the national interest look like? And is this vision achievable amid current political realities?

World of Migration Episode 1
Expert Q&A, Audio
October 13, 2021

MPI co-founder Demetrios G. Papademetriou takes on many questions, including whether the role of think tanks has evolved over the last two decades, in this World of Migration conversation with MPI’s Natalia Banulescu-Bogdan. They also look ahead to the challenges that will dominate immigration policymaking in the years ahead.

Video, Audio
September 27, 2021

The 2021 annual Immigration Law and Policy Conference featured a keynote conversation with Homeland Security Secretary Alejandro N. Mayorkas and analysis by top experts on the early months of the Biden administration and how immigration law and policy can respond to our changing world in a manner that is humane and in the national interest.

Video, Audio
September 2, 2021

The sprawling U.S. immigration detention system has long been controversial for its conditions of care, number of immigrants and asylum seekers detained, and costs. This discussion of a report provides a vision for a reimagined immigration custody system. 

Video, Audio
May 19, 2021

In April 2021, the European Commission took a step toward the creation of a common EU return system, releasing its first Strategy on Voluntary Return and Reintegration.

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Articles

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.

Commentaries
March 2024

Spain and the United States both receive their greatest number of immigrants from Latin America, and have worked collaboratively together on displacement crises and other migration issues. As shared immigration challenges dominate debate on both sides of the Atlantic, Spain can serve as a vital bridge in the policy conversation, this commentary notes.

Articles

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.

Articles

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.

Reports
March 2024

The COVID-19 pandemic’s impacts on mobility in the Middle East and North Africa were immediate and wide-reaching. These include the world’s largest and most sustained repatriation efforts for stranded migrants, halted and reversed irregular journeys, and a reckoning with some countries’ reliance on foreign labor. This report examines how these impacts varied across countries in this highly diverse region, as well as the uneven recovery.

Reports
March 2024

The COVID-19 pandemic hit South American nations at a time when many were already contending with major migration challenges. Historic levels of intraregional migration and displacement, notably from Venezuela, collided with countries’ attempts to stop the spread of a new threat to public health. This report examines the region’s responses to the public-health crisis, and the immediate and lasting impacts on cross-border movement.

Reports
March 2024

The story of the COVID-19 pandemic in Europe is chiefly one of challenges to solidarity and coordination. Cross-border movement—even within Europe’s Schengen Area—ground to a halt, and countries took varied approaches to using travel measures in an attempt to slow the virus’s spread. This report explores the pandemic’s impacts on mobility to and within Europe, its challenges to European solidarity, and lessons for future public-health crises.

Articles

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.

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