Border Enforcement

Explore all research, analysis, data, and commentary on the enforcement of national borders.

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Showing 131–140 of 492 results

Controversial U.S. Title 42 Expulsions Policy Is Coming to an End, Bringing New Border Challenges

The end of the use of Title 42 after 1.7 million expulsions at the U.S.-Mexico border promises to reshape processing, but the transition poses major challenges for the Biden administration.

U.S. Border Patrol agents prepare to transport unauthorized migrants to Mexico under Title 42.

Frequently Requested Statistics on Immigrants and Immigration in the United States

This collection showcases some of the most frequently used data on immigrants and immigration to the United States around the time of the COVID-19 pandemic.

An image of an immigration boarding line.

The World Is Witnessing a Rapid Proliferation of Border Walls

The number of border walls has grown sixfold since the Cold War. Research shows they serve mainly as political symbols, failing to stop migration, raising costs, and deepening instability.

A construction crew works on a wall the U.S.-Mexico border.

The Central Role of Cooperation in Australia’s Immigration Enforcement Strategy

Australia's border enforcement depends on bilateral and regional cooperation, but protection gaps and partner sustainability pose growing risks.

The Challenge of Coordinating Border Management Assistance between Europe and the Maghreb

Europe-Maghreb border cooperation on migration yields limited results; diverging priorities, corruption, and structural gaps require more strategic approaches.

Vehicles drive down a road near the Tunisia-Libya border with the sun in the background

The Increasing Use of Artificial Intelligence in Border Zones Prompts Privacy Questions

Governments are rapidly deploying AI at borders, but regulation lags far behind, raising privacy and human-rights concerns.

Four Years of Profound Change: Immigration Policy during the Trump Presidency

President Donald Trump's administration completed 472 executive actions from 2017 to 2021, narrowing humanitarian protections and restricting legal immigration.