Unauthorized Immigration/Irregular Migration
Explore all research, analysis, commentary, and data on unauthorized immigrants and irregular migrants, terms used in different parts of the world to describe the individuals who lack the right to reside legally in their country of destination, as well as the policies and enforcement practices affecting them.
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Immigration Enforcement in the United States in 2006
In 2006, U.S. immigration enforcement produced 1.2 million apprehensions and 272,389 formal removals.
Party Platforms Discuss Immigration, But Candidates Scarcely Mention It
In 2008, U.S. Republican and Democratic platforms staked out opposing visions on immigration, yet both presidential candidates barely mentioned it at their conventions.
Reports Spur Debate Over Immigrant Detention Conditions
As U.S. immigration detention reached 311,213 people in 2007, a federal watchdog report and proposed legislation exposed gaps in detainee medical care.
Iowa Raid Raises Questions about Stepped-Up Immigration Enforcement
The May 2008 Agriprocessors raid in Iowa, billed as the largest criminal worksite action in U.S. history, charged many workers criminally rather than administratively.
Virtual Border Fence Given Mixed Assessment in First Test
The U.S. virtual fence pilot program known as Project 28 had a troubled test run.
USCIS Faces Criticism over Visa Backlog
Growing application volumes, added security checks, and resource constraints have led to prolonged U.S. visa processing delays.
Testing the Limits: A Framework for Assessing the Legality of State and Local Immigration Measures
This report provides a framework for assessing the legal validity of state legislative measures that address unauthorized immigration, including when they are pre-empted by federal authority.
New York Governor Abandons Driver's Licenses for the Unauthorized
New York Governor Eliot Spitzer abandoned a plan to license unauthorized immigrants, laying bare the limits of state action when federal immigration policy stalls.
Causes of South-South Migration and Its Socioeconomic Effects
South-South migrants gain a lower increase in wages than South-North migrants, yet many have no alternative but to move within the developing world.
Mujeres Migrantes en Tránsito y Detenidas en México
El endurecimiento de la política migratoria en México hizo el viaje más peligroso para las mujeres en tránsito: 43 por ciento reportó extorsión y 26 por ciento, violencia.