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 101–110 of 793 results
A Century Later, Restrictive 1924 U.S. Immigration Law Has Reverberations in Immigration Debate
The 1924 Immigration Act's eugenics-influenced national-origin quotas reshaped U.S. demographics for decades and its core provisions still shape U.S. immigration law.
De los principios a la acción: una nueva agenda para el segundo aniversario de la Declaración de Los Ángeles
Dos años después de la firma de La Declaración de Los Ángeles sobre Migración y Protección, los gobiernos de a través de las Américas se reunieron en Guatemala para analizar el estado de cooperación en el hemisferio. Organizaciones no gubernamentales e internacionales produjeron una agenda de acción práctica para el próximo año. Se explica en este comentario.
Translating Principles into Action: Countries Set New Agenda on the Los Angeles Declaration’s Second Anniversary
Two years after signing the Los Angeles Declaration on Migration and Protection, governments from across the Americas met in Guatemala to assess the state of cooperation in the hemisphere. Working with nongovernmental and international organizations, they also produced an agenda for practical action for the next year, as this commentary explains.
Title 42 Postmortem: U.S. Pandemic-Era Expulsions Policy Did Not Shut Down the Border
Nearly 3 million migrant expulsions occurred under Title 42. Use of the authority to expel border arrivals, which bypassed U.S. asylum law, drove up recidivism and “gotaways.”
South American Immigrants in the United States
South American immigration to the United States is growing, driven largely by political and economic crisis in Venezuela.
The State of Global Mobility in the Aftermath of the COVID-19 Pandemic
COVID-19 shut down global mobility during the first year of the pandemic. But 2022 saw a rapid rebound. This IOM-MPI report reveals shifting patterns post-pandemic, from Gulf labor flows to climate-driven displacement.
The Limits of the Go-It-Alone Approach: U.S. Migration Management Increasingly Requires Other Countries’ Cooperation
As border flows grow more global and diverse, the United States increasingly depends on the cooperation of Mexico and other countries to manage migration.
Frequently Requested Statistics on Immigrants and Immigration in the United States
The United States faced record border encounters, a swelling population holding “twilight” protection statuses, and visa backlogs stretching decades, as this 2024 compendium of top statistics shows.
Diverging Paths: The Impacts of COVID-19 on Migration in the Middle East and North Africa
COVID-19 sharpened divides in the MENA region: The mass departure of migrant workers allowed high-income Gulf states to pursue labor reforms, while North Africa and Lebanon faced compounding crises.
Coordination Breakdown: The Impacts of COVID-19 on Migration in Europe
COVID-19 disrupted migration across Europe, exposing coordination failures. The EU Digital COVID Certificate offers a model for future crisis preparedness.