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E.g., 01/31/2023
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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An estimated 10.3 million unauthorized migrants were living in the U.S. in 2004. Jennifer Van Hook, Frank Bean, and Jeff Passell report on who they are, where they live, the work they do, and their levels of education and poverty.

About 8.5 million undocumented immigrants live in the United States according to new estimates. Jeffrey Passel, Principal Research Associate at the Urban Institute, provides new insight into the numbers and the methodology.

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Recent Activity

Articles

As the Trump administration moves to be able to indefinitely detain parents and children intercepted at the U.S.-Mexico border, whether illegal border crossers or asylum seekers, recent apprehension trends and history suggest hardline policies might not be a slam-dunk deterrent with a Central American population often driven by the desire to escape gang or other violence, as this Policy Beat explores.

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.    

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