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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Showing 21–30 of 793 results
What Drives Anti-Migrant Vigilantes
Anti-migrant vigilante groups use performative patrols and viral imagery to reframe asylum seekers as security threats, distorting public debate and pushing policy in a more restrictive direction.
Beyond “Shock and Awe”: Immigration Actions in the First Year under Trump 2.0
Analysts assessed the sweeping immigration enforcement actions, executive orders, and legal challenges marking Trump's second term's first year.
Unleashing Power in New Ways: Immigration in the First Year of Trump 2.0
The Trump second-term immigration overhaul—500-plus policy actions in the first year, record enforcement, and sweeping legal rollbacks—is reshaping who is welcome in America.
Trump Administration Actions Jeopardize Decades of Progress in Adult Education and Immigrant Integration
A move by the Trump administration to limit immigrants' use of federal programs stands to significantly destabilize the U.S. adult education system, which has helped millions of immigrant adults learn English and build foundational skills. In the process, this will harm the White House's stated desire to help immigrants learn English, build skills, and integrate into U.S. society, as this short read outlines.
Trinidad and Tobago Grapples with Venezuelan Migrants in a Complex Environment
Venezuelans in Trinidad and Tobago face deportation risk, discrimination, and deepening legal limbo as weak protections and U.S.-Venezuela tensions leave them increasingly vulnerable.
To Leave or Stay? Examining the role of counseling and reintegration assistance in the return decision-making of migrants ordered to leave the Netherlands
More counselling and better reintegration support increase uptake of assisted return in the Netherlands, but neither factor alone determines the return decisions of migrants ordered to leave.
U.S. Immigration Courts at a Crisis Point
U.S. immigration courts are facing record backlogs and structural challenges. MPI examined the Biden and Trump administrations' policies and what reforms are needed to improve efficiency and fairness.
Employment Verification: The Next Front for U.S. Immigration Enforcement?
E-Verify covers just 14 percent of U.S. employers after nearly 30 years. There are patchwork state rules for the system, which authenticates an individual’s right to lawfully work in the United States, and enforcement has focused on workers over businesses.
Breaking the Cycle of Dysfunction at the U.S. Immigration Courts
With 3.8 million deportation cases pending as of mid-2025, the U.S. immigration courts faced a deepening crisis requiring urgent legislative and administrative reform.
Las reformas en materia de seguridad en Ecuador deben representar un primer paso, no el último
La reforma de la ley de movilidad humana de Ecuador impone controles de inmigración más estrictos, vinculando la migración de venezolanos con el aumento vertiginoso de los índices de criminalidad. Sin embargo, esta vinculación no está respaldada por los hechos, y Ecuador debería pasar ahora a una segunda fase en la elaboración de sus políticas: una fase centrada en la integración y el desarrollo de los inmigrantes.
