The U.S. immigrant population—estimated at 40.8 million in 2012 — is the nation’s historical numerical high, and it is also the largest foreign-born population in the world. About 20 percent of all international migrants reside in the United States, even as the country accounts for less than 5 percent of global population. This article presents the latest, most sought-after data on immigrants in the United States—by origin, residence, legal status, deportations, languages spoken, and more—in one easy-to-use resource.
This article dissects the current patchwork of overlapping and potentially conflicting authorities for immigration enforcement and policymaking in the United States, based on unique, country-wide surveys and city case studies.
Nearly 200 localities in the United States have seriously considered policies intended to restrict immigration or its impact. Kevin O'Neil of Princeton University analyzes the types of laws local governments pursue and the reasons they take action.
Those caught trying to enter the United States illegally in portions of five Southwest border sectors face criminal prosecution under Operation Streamline, which the Department of Homeland Security launched in 2005. MPI's Donald Kerwin and Kristen McCabe examine how Operation Streamline works, highlight trends in the prosecution of immigration offenses, and evaluate the program's outcomes.
Just a fraction of all U.S. employers use E-Verify, a federal system that checks potential employees' immigration status and their eligibility to work. MPI's Marc Rosenblum explores E-Verify's history, how it works, and the arguments for and against making it mandatory.
MPI's Gretchen Reinemeyer, Aaron Matteo Terrazas, and Claire Bergeron report on USCIS backlogs, actions to limit access to driver's licenses in Oregon and Maine, the latest on "no-match" letters, and more.
México es uno de los principales países de tránsito de migrantes en el mundo, particularmente para los miles de centroamericanos que viajan cada año por el país con el objetivo de alcanzar los Estados Unidos.
Since 2000, Mexico has further intensified efforts to detain and deport irregular migrants. Gabriela Diaz and Gretchen Kuhner investigate the experiences of women migrants, the majority of them from Latin America, who have been detained in Mexico en route to the United States.
After watching the immigration reform debate intensify in the last few months, Thor Arne Aaas, Norway's Director General of the Department of Migration and a Visiting Fellow at MPI, characterizes the debate as "unfocused, unstructured, and very emotional." More on his views in this interview with Migration Information Source Editor Kirin Kalia.
Spain’s latest regularization program, unlike in the past, is part of a more comprehensive approach to combating illegal immigration and employment. Joaquín Arango of Complutense University of Madrid and Maia Jachimowicz outline the program and provide some preliminary results.
In the most recent session of Congress, four legislative proposals addressing unauthorized immigration and general immigration reform have been introduced. MPI's Eliot Turner and Marc R. Rosenblum compare their provisions for enforcement, employer sanctions, legalization, and guest worker programs.
The 1986 Immigration Reform and Control Act made the knowing hiring or employment of unauthorized immigrants illegal in the U.S.. But as Peter Brownell of the University of California Berkeley details, the government has not devoted many resources to enforcing this provision.
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.
Virtually no country is untouched by or immune to the effects of unauthorized migration. MPI President Demetrios G. Papademetriou analyzes global estimates, causes of such flows, approaches to control, and the connection to terrorism.
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.