E.g., 06/04/2026
E.g., 06/04/2026

State & Local Enforcement: Research

Shifting Realities at the U.S.-Mexico Border report
Reports
January 2024

All eyes are on the U.S.-Mexico border, where shifting migration trends and record migrant arrivals have stretched the U.S. border management system beyond its capabilities. As the Biden administration continues to implement its new regime of incentives for orderly arrivals and disincentives for unauthorized crossings, this report analyzes the rapidly changing policy and migration realities and outlines recommendations for a more effective, durable system of border control.

Cover image for Four Years of Profound Change: Immigration Policy during the Trump Presidency
Reports
February 2022

The Trump administration set an unprecedented pace for executive action on immigration, reshaping many aspects of the U.S. immigration system through changes large and small. This report chronicles the 472 administrative changes enacted during this four-year period—ranging from COVID-19 response measures and immigration enforcement, to humanitarian protection, travel bans, legal immigration and DACA changes, and more.

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Policy Briefs
November 2020

Joe Biden pledged during his campaign to reverse some of the most restrictive immigration actions undertaken during Donald Trump’s four years in office. While some actions can be undone with the stroke of a pen, others will take more time. This policy brief outlines the incoming administration’s top immigration priorities, examines challenges and opportunities ahead, and previews MPI policy ideas that could improve the immigration system and advance the national interest.

Immigration Enforcement and the Mental Health of Latino High School Students
Reports
September 2020

This study explores the relationship between immigration enforcement and the mental health of Latino high school students, finding that majorities surveyed in both high- and low-enforcement environments reported fear that someone close to them could be deported, with resulting symptoms of conditions such as depression and PTSD. The report provides examples of how schools are responding to support the mental health and engagement of these students.

Dismantling and Reconstructing the U.S. Immigration System: A Catalog of Changes under the Trump Presidency
Reports
July 2020

Now into its fourth year, the Trump administration has reshaped the U.S. immigration system in ways big and small via presidential proclamations, policy guidance, and regulatory change. This report offers a catalog of the more than 400 administrative changes undertaken in areas such as immigration enforcement, humanitarian admissions, DACA, and visa processing—including a look at measures put in places since the onset of the COVID-19 pandemic.

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Reports
May 2019

In the two years since President Trump entered office, U.S. immigration policy has changed in many ways. Some actions have received significant media attention and public scrutiny, and others have been implemented with little fanfare. This document chronicles these wide-reaching policy changes, covering immigration enforcement, the immigration courts, humanitarian admissions, visa processing, and more.

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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.

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Reports
May 2018

The Trump administration has significantly cranked up the immigration enforcement machinery in the U.S. interior. Yet even as arrests and deportations are up in the early Trump months, they remain less than half their peaks. This report demonstrates how pushback from California and other "sanctuary" locations makes it quite unlikely that ICE will be able to match record enforcement levels.

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Reports
January 2018

Looking back after one year in office, it is striking how just closely the Trump administration’s actions on immigration have hewed to priorities Donald Trump outlined in an uncommonly detailed policy speech in August 2016. This report revisits those pledges to assess where the administration has made the most and least headway, and what its policy agenda ahead might look like.

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Reports
January 2018

As long-simmering passions related to federal immigration policies have come to a full boil, less noted but no less important debates are taking place at state and local levels with regards to policies affecting immigrants and their children. As states are increasingly diverging in their responses, this report examines how some of the key policies and programs that support long-term integration success are faring in this volatile era.

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Policy Briefs
December 2017

On the campaign trail, Donald Trump made immigration the centerpiece of his campaign, offering a more detailed policy agenda than on any other issue. In the year since the election that propelled the Republican into the White House, how has the Trump administration’s record matched up with the rhetoric? This policy brief examines the executive orders and other changes to existing policy and practice made during 2017.

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Fact Sheets
April 2017

During his first 100 days in office, President Trump has taken a sweeping set of actions on immigration, ranging from imposing a travel ban to cutting refugee admissions, "extreme" vetting, and fortifying immigration enforcement at the border and in the U.S. interior. This fact sheet examines the major immigration actions taken to date, legal challenges, and related policy and personnel developments.

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