Migration Information Source
The South American immigrant population in the United States has grown at a faster rate than that of the overall foreign-born population, amid crises in Venezuela, Colombia, and elsewhere. Yet South Americans still account for only about one in ten U.S. immigrants. While they mirror the overall U.S. immigrant population in several demographic characteristics, there are some notable differences, as this article details.
Hong Kong finds itself in the middle of opposing trends. Amid political unrest, Beijing's increasing security pressure, and pandemic disruptions, many Hong Kongers have left and been replaced by a new group of immigrants, largely from mainland China. The dynamic has raised questions whether Hong Kong will remain a global cosmopolitan hub or instead turn inward to Asia, as this article discusses.
The U.S. immigration enforcement system increasingly depends on other countries to help halt irregular movements through the Americas and accept the return of unauthorized migrants. Foreign governments play a crucial and yet underappreciated role in migration management, and can either aid or frustrate U.S. border-control aims, as this article explores.
Environmental Protection Agency
One-fifth of the planet lacks adequate housing. That scarcity, expected to affect 3 billion people by 2030, is a problem for native-born and immigrant communities alike. The global housing shortage can aggravate tensions over immigration and lead to integration challenges for new arrivals, as this article details.
Hannah Foslien/White House
Immigration touches on many facets of life in the United States. Get the facts with this useful resource, which compiles in one place answers to some of the most often-asked questions about immigration and immigrants in the United States now and historically. This article contains essential data on the immigrant population, immigration levels, trends in immigration enforcement, and much more.
© UNHCR/Hossein Eidizadeh
Floods, heatwaves, and other extreme weather events have displaced hundreds of thousands of people in Iran, with repercussions for residents including the 3.4 million refugees and other forced migrants, who are restricted to climate-affected areas. Environmental challenges may also be pushing some people to move internationally. This article offers a rare look at the climate and migration dynamics in Iran.
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.
Immigration touches on many facets of life in the United States. Get the facts with this useful resource, which compiles in one place answers to some of the most often-asked questions about immigration and immigrants in the United States now and historically. This article contains essential data on the immigrant population, immigration levels, trends in immigration enforcement, and much 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.
Recent Articles
South Africa hosts the most immigrants of any African country. Yet it faces conflicting pressures, including the legacy of apartheid, a steady outflow of well-educated South Africans, and the need to juggle bilateral labor mobility schemes at a time of economic insecurity and high unemployment. This article traces these pressures and how they have developed over time.
More than half of all immigrants in the United States are naturalized citizens. The number of new naturalizations has fluctuated from year to year, hitting a decade-long low in fiscal year 2020, in part due to the COVID-19 pandemic and rising processing times. This article provides information on naturalized citizens in the United States, including historical trends and socioeconomic characteristics.
Tens of thousands of Nicaraguans have fled their country since 2018, amid repression and a renewed government crackdown. In neighboring Costa Rica, many migrants have encountered a robust system for protection and integration, yet they still face stigma and discrimination in their daily lives. This article explores this dynamic along one of Central America's most important migratory routes.
U.S. immigration arrests have declined to the lowest level in years. Going forward, new U.S. Immigration and Customs Enforcement guidelines could further shape how authorities arrest and deport unauthorized immigrants and noncitizens who have committed crimes. This article describes how the Biden administration prosecutorial discretion guidance marks a sharp turn from the approach taken by the Trump administration.
There are more refugees than ever globally, but each year only a tiny share get selected for resettlement to new countries. This “resettlement gap” has grown due to political pressures in resettlement countries and procedural challenges throughout the process, as this article explains.
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Lebanon is home to more refugees per capita than any other country. The arrival of approximately 1 million refugees from neighboring Syria has created tensions not only with the native population, but also with long-established Palestinian refugee communities in Lebanon. A lack of integration and resources, plus a complex domestic context, suggest further hardship may lie ahead for recent and earlier-arrived refugees alike.
War and impending famine in Yemen have captured significant attention. Yet often overlooked is the country’s role as the epicenter of one of the world’s busiest mixed migration routes, linking Africa, Asia, and Europe. This article examines the migration pathways to and through the country, push and pull factors, and the impact of civil war on human movement.
The European Union's focus on formal readmission agreements with migrant-origin countries to manage the return of irregular migrants and failed asylum seekers has given way since 2016 to informal arrangements. This article explores the potential effect that nonbinding readmission pacts could have on migrant returns to sub-Saharan Africa, where return rates from EU Member States have been low.
Despite long study of famine, there is a remarkable lack of research about the linkages between mass starvation and migration. Among the unanswered questions: Does migration mitigate starvation or worsen it? With famines returning, most notably in war-torn Yemen, after a period of decline, the need for knowledge is essential. This article examines the causes and migration patterns of great famines from the 19th century onward.
Uganda is the third largest refugee-hosting nation in the world, with more than 1 million refugees arriving in the last two years. Amid strong public solidarity for displaced neighbors, the government has emphasized the right to employment, enterprise, and free movement for refugees despite the country's poverty and limited resources. Can this generous "Uganda model" be sustained? This article explores the challenges and opportunities.
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Between 1960 and 2012 the share of Canadians in the U.S. foreign-born population declined from 10 to 2 percent, while the actual number of Canadian immigrants has remained remarkably steady. Using the most up-to-date statistics, this profile examines the Canadian immigrant population by size, age, location, college education, and more.
The once-tiny population of Vietnamese immigrants in the United States has grown to become the country’s sixth largest foreign-born group in the span of several decades, with the first wave beginning at the end of the Vietnam War in 1975. This data profile examines the Vietnamese immigrant population by size, recency of arrival, top states and cities of settlement, college education, sending of remittances, and much more.
The Dominican-born population in the United States has grown rapidly since 1960, and today, the United States is home to 960,000 immigrants from the Dominican Republic. This article provides up-to-date demographic information for Dominican immigrants in the United States, including statistics on distribution by state and metro area, educational and professional attainment, income levels, health care coverage, and more.
Between 1990 and 2012, the U.S. population of immigrants born in Haiti tripled in size, from 200,000 to 606,000. This article provides the most up-to-date demographic information available for Haitian immigrants in the United States, including statistics on distribution by state and metro area, educational and professional attainment, income levels, health care coverage, and more.
The U.S. immigrant population—estimated at 40.8 million in 2012 — is the nation’s historical numerical high, and it is also the largest foreign-born population in the world. About 20 percent of all international migrants reside in the United States, even as the country accounts for less than 5 percent of global population. This article presents the latest, most sought-after data on immigrants in the United States—by origin, residence, legal status, deportations, languages spoken, and more—in one easy-to-use resource.
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Waves of emigrants from the Federated States of Micronesia are building new lives abroad, according to MPI Data Manager Elizabeth Grieco.
Brij V. Lal of the Australian National University explains the link between Fiji's recent political turbulence and the increasing numbers of Fijian emigrants.
Recent policies — some more restrictive, some more liberal — reflect Austria's continuing ambivalence about immigration.
In the mid-1990s, immigration became a matter of vital importance to Spain's political elites and in the eyes of the public.
Immigration has been a significant factor in New Zealand's history since the mid-19th century, and recently net migration gains have reached the highest levels ever recorded. Richard Bedford of the University of Waikato looks at the challenges ahead.
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MPI's Claire Bergeron and Faye Hipsman report on Democratic and Republican party platforms and their takes on immigration, new rules rendering DACA beneficiaries ineligible for Medicaid and CHIP, CBP's elimination of paper I-94 cards, and more.
Notwithstanding the opportunities for qualified unauthorized immigrants brought to the United States as youth offered through the newly implemented deferred action program, the policy's success still faces implementation and other challenges. Muzaffar Chishti and Faye Hipsman examine the issues that remain unaddressed in the Deferred Action for Childhood Arrivals (DACA) program.
The Obama administration’s decision to shield from deportation unauthorized immigrant youth who meet certain qualifications represents the boldest immigration policy undertaken by this White House. MPI’s Muzaffar Chishti and Faye Hipsman examine what comes next and explore some of the new policy’s unanswered questions and implementation challenges.
MPI’s Muzaffar Chishti, Faye Hipsman, and Claire Bergeron examine the potential outcomes to the Supreme Court’s decision on a key provision to Arizona’s SB 1070 law.
MPI's Muzaffar Chishti and Claire Bergeron report on the reaction to ICE's new detention reforms, the Supreme Court's recent decision in Vartelas v. Holder, the designation of Syria for TPS, and more.
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