E.g., 07/23/2026
E.g., 07/23/2026

Civil Liberties: Research

Immigration and U.S. National Security: The State of Play Since 9/11
Reports
April 2020

The U.S. government has made important progress in shoring up weaknesses at the nexus of immigration and national security since September 11, 2001. But as new threats emerge and evolve—including public-health emergencies such as the COVID-19 pandemic—the question is whether the post-9/11 system is up to the task of meeting these challenges, as this report explores.

Policy Briefs
February 2017

This brief examines key provisions of President Trump's recent executive order suspending travel from certain majority-Muslim countries and pausing the U.S. refugee resettlement program, comparing them to current and earlier policy and practice. Presented in an easy-to-use side-by-side chart, the brief gives context to the executive order, which has drawn major scrutiny.

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Policy Briefs
September 2013
This policy brief, the first in a series distilling the evidence and experience on migration and development, examines whether respect for migrant rights has economic benefits for countries of origin and destination. The author finds that respect for rights in migrant-sending countries can help secure remittances, attract other forms of diaspora investment, and effect political and social change.
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Reports
February 2012

For more than a decade, states have experimented with civic integration policies that require immigrants to learn the official language of their host country and acknowledge its basic norms and values—or risk losing social benefits and even residence permits. This report explores ways states can put forth smart policies that benefit natives and immigrants in host countries.

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Reports
February 2012

This report challenges the recent rhetoric and addresses the advancement of policy areas for countries, examining factors that impede or facilitate successful the implementation of multiculturalism. When these facilitating conditions are present, multiculturalism can be seen as a low-risk option, andhas worked well in such cases.  

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Fact Sheets
August 2011

This fact sheet details the policy, programmatic, budget, and manpower changes that have happened in the immigration arena as an outgrowth of the 9/11 attacks.

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Reports
March 2011

This report details the post-9/11 programs and agreements implemented by U.S. and European governments to identify terrorists and serious transnational criminals through the collection and processing of increasing quantities of traveler data.

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Books
April 2010

This volume, by a former senior counsel to the 9/11 Commission, argues that the U.S. approach to immigration and border security is off-kilter and not keeping pace with the scope and complexity of people’s movement around the world, nor with expectations regarding freedom of movement.

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Reports
February 2009

This report assesses the performance of the Department of Homeland Security (DHS) over the course of the agency’s first six years, examines the effectiveness of the three core immigration agencies within DHS—U.S Customs and Border Protection, U.S. Immigrations and Customs Enforcement, and U.S. Citizenship and Immigration Services.

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Reports
April 2008

This paper proposes a stakeholder principle that should guide citizenship policies in Europe and North America. This principle applies to both immigrants and emigrants. Stakeholders in this sense are those who have a stake in the polity’s future because of the circumstances of their lives.

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Fact Sheets
February 2008

This fact sheet examines the dramatic increase in U.S. Citizenship and Immigration Services processing times for naturalization applications resulting from an overall increase in applications during fiscal year 2007.

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Reports
December 2007

This report provides a framework for assessing the legal validity of state legislative measures that address unauthorized immigration. To determine their validity, authors seek to establish whether Congress has preempted the law, and if not, whether these local laws exceed the bounds of constitutional authority by conflicting or interfering with existing federal regulatory regimes.

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