Migration Information Source
Virtually all major U.S. immigration policy reforms have faced lawsuits in recent years, giving federal judges wide latitude to shape national policy. The situation, which began during the Obama administration and has escalated, is a byproduct of congressional inaction and the emergence of immigration as a defining political wedge issue. This article tracks the trend, which has added new volatility to the immigration system with effects for millions, and places it in context.
High-skilled immigration represents a potential major benefit to Czechia, which has undergone rapid economic growth since the transition from communism. The arrival of hundreds of thousands of new Ukrainians, many of whom are well educated, marks a moment for the country to re-evaluate its integration policies, as this article details.
Petty Officer 2nd Class Sean Hur/DOD
Want to check a fact about U.S. immigration? Interested in putting recent trends into perspective? This article compiles authoritative, up-to-date information about the U.S. immigrant population and how it has changed over time. Data cover immigrants' demographic, educational, and linguistic characteristics; their top states of residence; enforcement activities; refugees and asylum seekers; naturalization trends; visa backlogs; and more.
A political crisis marked by Nicaraguan President Daniel Ortega’s growing authoritarianism has sparked the largest emigration in the country’s modern history. Hundreds of thousands have fled, including intellectuals, artists, and academics. They increasingly are heading beyond the traditional destination of Costa Rica, to the United States and beyond, as this article details.
Can haphazard, unplanned climate displacement be turned into voluntary, safe migration? Projects explicitly aimed at addressing internal and international climate migration are rare, but development organizations increasingly are turning their attention to supporting them. This article catalogues climate mobility projects around the world and examines their primary goals, whether to support the movement or stay of people or help at destination.
Pandemic-related U.S. policies have led to more than 2.6 million migrant expulsions at the U.S.-Mexico border, expanded public benefits to cover millions more U.S. residents, and offered free COVID-19 vaccines and treatment. Many of these policies are now likely to end as the Biden administration in May 2023 formally declares the pandemic to be over, although what comes next remains unclear.
Whether as migrant-sending or migrant-receiving locations—or both—many countries have rich, complex international and internal migration histories. MPI's online journal, the Migration Information Source, offers resources on more than 100 nations. Written by leading scholars, these articles delve into countries' migration histories, demographics, policymaking, and more.
Severe weather, rising seas, and other consequences of global climate change are affecting the way people live, work, and move around the planet. While there is no clear, direct line between the impacts of climate change and changing human movement, there are indications that the warming planet is indirectly creating or altering patterns of migration. Our podcast Changing Climate, Changing Migration dives deep into the intersection of climate change and migration to separate fact from fiction.
Looking for some of the most often-sought information on global migration? This statistics-rich article draws on the most current data sources to offer a primer on international migration, highlighting its types, the size of the migrant population and growth over time, and major sending and receiving countries and regions. Beyond looking at labor and humanitarian migrants and international students, the article examines remittances and more.
Recent Articles
The Deferred Action for Childhood Arrivals (DACA) program reached its 10th anniversary in June 2022. This article reviews the evidence on DACA’s impacts for Dreamers and the broader society, looks at the increased reliance on similar limited legal statuses to help segments of the unauthorized immigrant population, and examines the legal challenges the program has and is continuing to face.
Beyond slowing global mobility dramatically, the COVID-19 pandemic sparked a major drop in asylum claims around the world, with the 1.1 million people seeking asylum in 2020 representing a 45 percent decline from the year before. This article examines the challenges to asylum processing during the pandemic, particularly for the UN High Commissioner for Refugees.
A recent uptick in the number of unauthorized migrants attempting to reach the United States by sea has been largely overshadowed by tensions on the southwest border but serves as an echo of eras past. This article explains why migrant interdictions have risen to recent highs, especially among Cubans and Haitians.
In the years since its return to democracy, Chile has emerged as a major immigration destination within South America. Yet recent large-scale migrant arrivals from Haiti and Venezuela have shaken the country’s politics and at times overwhelmed a decades-old immigration framework that critics contended was woefully out of date. New reforms could tighten immigration, but many questions remain. This country profile analyzes migration to Chile particularly since 1990.
The population of sub-Saharan African immigrants in the United States is relatively small, but it has grown substantially over the last four decades and is likely to continue to increase. This group of 2.1 million people is highly diverse, including individuals with a range of ethnic, linguistic, and other backgrounds, as this article explains.
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A disproportionate number of Central American migrants traveling through Mexico to the United States come from Honduras, driven by government corruption, impacts of the coronavirus pandemic, and hurricanes that have devastated communities and livelihoods. This article examine the multiple factors behind migration from the country, drawing from interviews with migrants en route.
Between Brexit and COVID-19, Europe’s 31-country zone of free movement has been profoundly tested. Still, the area has constantly evolved over the last 70 years, to include new groups of individuals who can freely move for work, study, or leisure, as well as cover larger geographic areas. This article examines the history and challenges to free movement, a crowning success of the European project.
Tens of thousands of migrants have gone missing in Mexico in recent years, with the country having one of world's highest rates of disappeared persons. In 2015, the Mexican government created institutions to investigate these cases and work with the missing migrants' families, who are often their most vocal advocates. This article explores the reasons why migrants disappear, as well the institutions established to investigate cases and their impact.
The European Union has tried to leverage development assistance to address root causes of migration from Africa, including poverty, instability, and conflict. The EU Emergency Trust Fund for Africa, unveiled in 2015, has supported more than 250 programs totaling nearly 5 billion euros across 26 countries, but has had only partial success addressing the underlying drivers of migration, as this article explains.
Large numbers of well-educated Iranians have left their country of birth since its 1979 revolution, in a “brain drain” that has held back Iran’s economy and cultural institutions. Iran’s isolation from the world has worsened in recent years, and a stuttering economy, currency freefall, and widespread impacts of the COVID-19 pandemic have contributed to the underlying factors encouraging emigration, as this article examines.
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Immigrant women and girls constituted slightly more than half of the 44.7 million immigrants in the United States in 2018. This is higher than the global average, likely because immigrants are more likely to enter the United States through family reunification channels rather than labor migration ones (which globally are predominantly male). This article offers a rich data profile on immigrant women and girls in the United States including age, education, employment, and poverty levels.
Interested in answers to some of the most frequently asked questions about immigration and immigrants in the United States? This incredible resource collects in one place top statistics from authoritative government and nongovernmental sources, offering a snapshot of the immigrant population, visa and enforcement statistics, and data on emerging trends, including the slowing of growth of the foreign-born population, changing origins, and increasing educational levels.
Nearly 2.5 million Chinese immigrants lived in the United States in 2018—the third largest foreign-born population in the country. Chinese immigration has grown nearly seven-fold since 1980, and China became the top sending country of immigrants in the United States in 2018, replacing Mexico. Chinese immigrants tend to be highly educated and employed in management positions, as this Spotlight article explores.
In fiscal year 2018, the U.S. State Department issued 9 million temporary visas, a 7 percent decrease from the previous year. Temporary visa issuance has been declining in recent years, and the Trump administration’s immigration priorities may help explain this trend. This Spotlight explores visa issuance and admission, and highlights key demographic information on visitors for pleasure and business, temporary workers, and foreign students.
The sub-Saharan African immigrant population in the United States is a small, but quickly growing, one. Between 2010 and 2018, the size of the sub-Saharan African population increased 52 percent, far outpacing the overall rise in the foreign born. Immigrants coming from the 51 sub-Saharan countries, including Nigeria, Ghana, Ethiopia, and Somalia, are diverse in their origins and socioeconomic characteristics, as this Spotlight explores.
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Economic turmoil has been a primary driver of emigration from The Gambia, located in West Africa and the smallest country on the African continent. Despite having a decades-old, extensive diaspora mainly in Spain, the United States, Nigeria, Senegal, and the United Kingdom, the Gambian government has only very recently begun to reach out to its citizens abroad. This article explores The Gambia's migration history, emigration and immigration trends, remittances, economic impacts of skilled emigration, and recent efforts by the government to reach out to The Gambian diaspora.
Fundamental demographic, economic, and educational changes have set Mexico on a new path, significantly altering its migration-related priorities and concerns vis-a-vis the United States and Central America. This article examines new migration trends, Mexico's role as a country of transit and increasingly of destination, the 2011 migration law, remittances, government policies on the Mexican diaspora, and more.
Immigration has contributed to many of the economic, social, and political processes that are foundational to the United States as a nation since the first newcomers arrived over 400 years ago. After brushes with immigration reform that began in 2001 and continued in 2006 and 2007, the United States seems to be on the threshold of overhauling the legal immigration system in the most substantive way since 1965. This article provides a comprehensive overview of major legislation and events affecting U.S. immigration throughout history, legal and illegal immigration flows, postrecession immigration trends, and more.
Honduras has a population of just over 8 million and an economy primarily driven by exports—propped up in no small way by remittances. This article examines the history of modern Honduran migration, tracing the rise of emigration to the United States as a dominant economic force, and exploring migration trends, policies, and impacts on Honduran society.
During recent decades, large-scale international migration has been an external escape valve for Guatemala, a response to the country's multiple internal problems. This article examines Guatemalan migration, primarily to the United States, into the post-war era; U.S. government immigration policies affecting Guatemalans; the impacts of migration within Guatemala; and Guatemala/Mexico migration dynamics.
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Buoyed by initial successes challenging Trump administration immigration actions such as the travel ban in federal court, many critics expected the judiciary to act as a brake on major changes to the immigration system. Yet the Supreme Court has repeatedly shown a willingness to affirm the executive branch's immigration policies, most recently permitting what is arguably the most significant asylum policy change in four decades to proceed.
Ideological differences in the Democratic Party over immigration that were once masked by unity against President Trump’s border wall and immigration agenda are now being exposed as Democratic presidential candidates seek to stand out in a crowded field and amid controversy over an emergency border spending bill. As the 2020 electoral calendar accelerates, how the party navigates the gulf between its most liberal and conservative wings will become a greater challenge for its leaders.
Approximately 11,500 unaccompanied children were apprehended at the U.S.-Mexico border in May, putting this year on track to exceed 2014's surge. As the U.S. government struggles to care for these child migrants, with public outrage mounting over reports of unsafe, filthy conditions in initial Border Patrol custody, the failure of the executive branch and Congress to plan for increased shelter and care demands are increasingly apparent, as this article explores.
The Trump administration’s plan to create a "merit-based" U.S. immigration system, lessening the longstanding focus on family reunification in favor of more economic migrants, has met with a lackluster response from Democrats and Republicans alike. This Policy Beat article explores how the Trump proposal would reshape immigration to the United States, and how it compares to selection systems in other countries and past debates about changing the U.S. system.
Though it has achieved success in some areas, the Trump administration’s many efforts to stiffen immigration enforcement in the U.S. interior and at the Southwest border are being consistently stymied by court injunctions, existing laws and settlements, state and local resistance, congressional pushback, and migration pressures that are beyond the government’s ability to swiftly address, as this article explores.
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