E.g., 12/04/2021
E.g., 12/04/2021
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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Commentaries
September 2018
By  Julia Gelatt, Michael Fix and Jennifer Van Hook
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Reports
September 2018
By  Randy Capps and Ariel G. Ruiz Soto
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Articles
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Articles
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Reports
July 2018
By  Sarah Pierce, Jessica Bolter and Andrew Selee
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Policy Briefs
July 2018
By  Kate Hooper and Kathleen Newland

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Reports
October 2009
By  Frank Sharry
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Reports
September 2009
By  Donald M. Kerwin and Serena Yi-Ying Lin
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Reports
July 2009
By  Doris Meissner and Marc R. Rosenblum
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Reports
February 2009
By  Michael Wishnie, Margot Mendelson and Shayna Strom
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Reports
February 2009
By  Doris Meissner and Donald M. Kerwin
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Reports
December 2008
By  Michael Fix, Doris Meissner and Randy Capps
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Reports
December 2007
By  Cristina Rodríguez , Muzaffar Chishti and Kimberly Nortman
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Policy Briefs
October 2007
By  Claire Bergeron , Aaron Terrazas and Doris Meissner

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The stark contrast between the Republican and Democratic parties on immigration was codified in their 2016 party platforms, and showcased in the rosters of convention speakers—featuring victims of unauthorized immigrant crimes on the one hand, and unauthorized immigrants living in fear on the other. This article explores the evidence, even compared to earlier platforms, of two divergent universes regarding immigration.

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As many as half of all unauthorized immigrants in the United States entered legally and overstayed a visa. This article explores a possible way to refine visa policies: Examine the economic growth of travelers' home countries. The author examines the correlation between economic growth and the rate at which a country’s nationals are denied visas, and explores how this might inform visa policy.

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The Brazilian immigrant population in the United States doubled during the 1980s and almost tripled in the 1990s, but stabilized following the Great Recession. While this population has long included a significant share of unauthorized immigrants, Brazilians are increasingly coming to the United States through family, employment, and study channels. Learn more about Brazilian immigrants with this Spotlight.

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A split ruling by the Supreme Court in United States v. Texas has dealt a hard blow to the Obama administration's signature deferred action programs. While the decision makes it unlikely the DAPA program and DACA expansion will be implemented in their current form, the outcome at the high court may have opened a path for renewed movement on immigration policy changes in Congress, as this article explores.

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Movements of migrants and asylum seekers in the Mediterranean have shown to be highly fluid, adapting quickly to changing conditions at origin, transit, and destination. This article examines the shifts in flows across the three major Mediterranean routes since 2008 and the complex web of often interconnected factors underpinning these movements.

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Video
July 20, 2009
This discussion focuses on E-Verify, the federal government's electronic employment verification system, and the release of an MPI report that assesses the program's strengths and weaknesses.
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Video
June 24, 2009

This conference offers law and policy analysis and discussion on cutting-edge immigration issues.

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Recent Activity

Commentaries
September 2018

In a commentary, MPI and Penn State researchers explain why an academic article suggesting the unauthorized population is significantly higher than previously estimated derives from seriously flawed assumptions. The researchers, who peer-reviewed the analysis, find the authors overestimate successful illegal crossings by misapplying data from the 2000s to the 1990s, when crossing patterns were much different.

Reports
September 2018

The Houston metro area, home to 1.6 million immigrants, is diverse and rapidly growing. This report sketches the area's immigrant population, examining top origin countries, key socioeconomic measures, and more. It also explores how Hurricane Harvey affected the immigrant population, and how national policy changes under the Trump administration are being felt locally, including by DACA recipients and asylum seekers.

Articles

El Salvador is the smallest country in Central America yet the most densely populated. A stagnant economy, high levels of crime and violence, and natural disasters have pushed growing numbers of people to migrate without authorization or seek asylum abroad, mostly in the United States. This article explores historical and contemporary emigration from El Salvador.

Articles

With the #AbolishICE movement catching fire among some on the left, critics of the Trump administration's immigration policies have seized on U.S. Immigration and Customs Enforcement (ICE) as their main target—even condemning it for actions taken by other agencies. This article explores the evolution of ICE and resistance to it, as well as actions taken by the agency itself that have made its mission even more controversial.

Articles

Since fiscal year 2010, more than 70,000 immigrant children have applied for Special Immigrant Juvenile (SIJ) status, a pathway to a green card for youth who have been abused or neglected by their parents. Based on interviews with SIJ applicants, judges, and attorneys, this article provides an overview of the SIJ program and identifies limitations on access.

Reports
July 2018

President Trump has made reshaping the U.S. immigration system a top priority. Yet the fragmented nature of policy-making in the United States—with power split between branches and levels of government—has made it difficult to pursue some of his most ambitious proposals. This report explores the evolution of migration policy under Trump, and what these changes may mean in the long run.

Video, Audio, Webinars
July 12, 2018

Experts on this Spanish language webinar examine the operation of today’s interior immigration enforcement system and how state and local governments, civil society, and consulates are responding.    

Policy Briefs
July 2018

As policymakers look for ways to address the drivers of illegal immigration, many have called for migration aims to be incorporated into development work and development tools into migration partnerships. This policy brief analyzes the benefits and risks of heightened cooperation between actors in these fields, and identifies areas where joint initiatives may prove fruitful.

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