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.
All Content
Showing 71–80 of 793 results
One of the World’s Largest Refugee Populations, Afghans Have Faced Increasing Restrictions in Iran
Iran hosts the world's largest refugee population—nearly all Afghan—but decades of deepening restrictions, mass deportations, and rising anti-Afghan sentiment have put millions at risk.
No One-Size-Fits-All: Outreach and counselling for irregular migrants
EU outreach and counselling for irregular migrants remains fragmented; tailored, trust-based approaches show promise but need stronger data and shared success metrics.
Jimmy Carter and Immigration: A Wide-Ranging Legacy That Remains Relevant Today
The passing of the nation’s 39th president has sparked numerous assessments of the Carter presidency, yet few have focused on the wide-ranging legacy that Jimmy Carter left in the immigration realm. The Carter presidency illustrates the long history of authorities that remain in use today, including parole and creation of lawful pathways to admit people in orderly ways, and the persistent roots of issues such as spontaneous migration from the Caribbean.
The Biden Legacy on Immigration: A Complex Picture
What was the Biden record on border management, legal immigration, refugee resettlement, and other immigration aspects? Speakers assessed the Biden legacy and discussed MPI's analysis of the administration’s actions on immigration.
Biden’s Mixed Immigration Legacy: Border Challenges Overshadowed Modernization Advances
The Biden presidency combined historic highs in legal admissions and naturalizations with record border arrivals, overwhelmed agencies, and political damage.
Towards the More Effective Use of Irregular Migration Data in Policymaking
Data to measure irregular migration are inconsistent, hard to access, and can have collection bias. Better standards and data literacy are vital for sound policymaking.
Legal Pathways and Enforcement: What the U.S. Safe Mobility Strategy Can Teach Europe about Migration Management
The Biden administration's ambitious migration management strategy, which combined increased regional cooperation and expanded lawful pathways with a more orderly system for border arrivals, eventually led to a significant drop in irregular migration to the U.S.-Mexico border. The strategy holds promise for governments in Europe also tackling mixed migration flows—however sequencing matters, among other lessons.
Inmigrantes mexicanos en Estados Unidos
Los mexicanos siguen siendo el grupo de inmigrantes más numeroso de Estados Unidos, pero su población lleva más de una década disminuyendo.
Large-Scale Deportations May Have Unintended Consequences
Research shows large-scale deportations rarely deter migration, reduce crime, or boost native workers' wages, although they may fuel violence and new migration in origin countries.
Immigrants and Crime in the United States
A significant and growing body of research at U.S., state, and local levels demonstrates that immigrants commit crimes at lower rates than the U.S.-born population.