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.

Recent Activity

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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
BorderWall CBP ManiAlbrecht
Commentaries
January 2019
By  Doris Meissner and Sarah Pierce
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Commentaries
November 2018
By  Doris Meissner
UnauthorizedMethodologyCommentary Photo
Commentaries
September 2018
By  Julia Gelatt, Michael Fix and Jennifer Van Hook
BorderPatrol UAC water
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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World of Migration podcast episode 3 tile
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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Recent Activity

Commentaries
October 2022

Los titulares enfocados en la cifra récord de 2,4 millones de migrantes encontrados en la frontera México-Estados Unidos durante el año fiscal 2022 encubren la historia más importante: Los flujos migratorios se han diversificado rápidamente más allá de México y el norte Centroamérica, y como resultado, las políticas de control migratorio son incongruentes con la realidad de hoy. Esto demuestra la evidente necesitad de nuevos enfoques regionales, argumenta este comentario.

Articles

Spain has an unconventional immigration system. The national government is primarily responsible for border control, granting legal status to migrants, and other issues, but integration is mostly handled by regional and local governments, allowing for some pioneering policies at the subnational level. This article explores what this system has meant for Catalonia and its capital, Barcelona, which have been considered to be a model throughout Europe.

Commentaries
October 2022

Headlines focusing on the record-breaking nature of the 2.4 million migrant encounters at the U.S.-Mexico border in fiscal year 2022 overlook the much bigger story: Migrant and asylum seeker flows have rapidly diversified beyond Mexico and northern Central America and as a result, U.S. enforcement policies are misaligned. Today's reality sharply underscores the need for new regional approaches, this commentary argues.

Articles

Mexicans are by far the largest immigrant group in the United States, accounting for nearly one-fourth of all immigrants. However their numbers have been declining and in 2021 there were 1 million fewer than a decade ago. At the same time, despite years in which more new migrants came from China and India, Mexicans once again count as the largest group of new arrivals. This article outlines the changing shape and composition of this immigrant population.

Policy Briefs
October 2022

As the United States seeks to adapt to trends such as technological change and aging that are reshaping the labor market, increasing productivity and the number of high-skilled workers will be critical. This issue brief explores the characteristics of the 115 million adults without postsecondary credentials, 21 percent of them immigrant, as well as the prospects for credential acquisition for foreign-born subgroups.

Video, Webinars
September 20, 2022

Focusing on top immigration policy issues at federal and state levels, this 2022 Immigration Law and Policy Conference featured keynotes by Connecticut Attorney General William Tong and Arkansas Governor Asa Hutchinson exploring the growing role states are taking in the national immigration debate. Multimedia of the day's panel discussions will be posted later.

Articles

Operations by Texas, Florida, and Arizona to bus or fly asylum seekers and other migrants to Washington, DC, Martha's Vineyard, and other cities have succeeded in drawing attention to the unprecedented pace of U.S.-Mexico border arrivals. Described by some as political pawns, many migrants say the trips have upsides. Consequences aside, the transport of migrants by Republican governors raises the question whether a new era has begun: state-on-state fights over immigration.

Articles

Persistent economic turmoil and civil and political insecurity have been drivers of emigration from Brazil, including to the United States. Although the number of Brazilian immigrants in the United States has been on the rise since the 1980s, the magnitude of these flows has made the past decade unique. Read a useful profile of Brazilians immigrants, including U.S. destinations, modes of entry, and educational and work characteristics.

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