Migration Information Source
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.
1st Sgt. Suzanne Ringle/Joint Task Force Lone Star
Rising tensions between Texas and the federal government have sparked fears of a constitutional crisis after the state deployed its National Guard to prevent the U.S. Border Patrol from conducting operations in a city park in Eagle Pass, with Texas Governor Greg Abbott saying the “invasion” of migrants triggered the need for action. This article provides an overview of the standoff and the larger context of current and past state-federal tensions over immigration enforcement.
© International Labor Organization
Countries such as Nepal and the Philippines have grown reliant on sending workers abroad to earn money, skills, and connections that help boost their economies. In these cases, emigration has become a way for governments in the Global South to offer their citizens access to social services and protections that they could not otherwise provide. This article details the emergence of this new mode of state-society relations.
Sgt. Robert P Wormley III/U.S. Army
The Afghan immigrant population in the United States has grown dramatically since 2010, and particularly since the 2021 withdrawal of U.S. forces from Afghanistan. Most Afghans who obtained a green card in recent years have done so through the Special Immigrant Visa (SIV) program, reserved for interpreters and other Afghans who worked with the U.S. government. This article offers data on the approximately 195,000 Afghan immigrants in the United States.
The number of Tibetan refugees in India, Nepal, and Bhutan has been on a steady decline since the mid-2000s, posing a threat to the future of an exile community that has developed a robust governance, cultural, educational, and religious structure. While the Tibetan government-in-exile has become a model for displaced communities, a series of factors have contributed to the shrinking population in South Asia, as this article describes.
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
Climate-induced migration can lead to tensions and violence between host communities and new arrivals. This conflict can flare up at various levels, including among rural farmers and herders in relatively peaceful countries such as Tanzania.
The nearly 11 million Mexican immigrants in the United States represent almost one-quarter of the country’s entire immigrant population, and as such are the largest foreign-born group. But their numbers have been declining, shrinking by 7 percent between 2010 and 2019. Among recently arrived immigrants, those from China and India now outpace Mexicans for the first time.
Before entering office, President Donald Trump promised to deport millions of unauthorized immigrants. Yet despite his general successes in creating a more restrictive and punitive immigration system, this goal has eluded his administration. So-called “sanctuary” policies implemented by state and local governments to limit their cooperation with U.S. Immigration and Customs Enforcement have been a key reason why arrests and removals have not reached earlier peaks.
Climate change is affecting human movement now, causing internal displacement and international migration, and will do so in the future. But the impact is often indirect, and rarely is the process as straightforward as one might think. This article provides an overview of research on how climatic hazards drive and affect migration, reviewing which types of people might migrate and under what conditions.
There are 2.7 million Indian immigrants in the United States, making them the second-largest immigrant group after Mexicans. This number has increased dramatically in recent years, growing 13-fold between 1980 and 2019. This article provides an overview of this population, which is more highly educated, more likely to work in management positions, and higher-earning than the U.S. born and overall immigrant population.
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As many as half of all unauthorized immigrants in the United States entered legally and overstayed a visa. This article explores a possible way to refine visa policies: Examine the economic growth of travelers' home countries. The author examines the correlation between economic growth and the rate at which a country’s nationals are denied visas, and explores how this might inform visa policy.
News of the Zika virus outbreak in Latin America has raised alarm bells, resulting in scattered calls for tighter restrictions on international entries to the United States. Evidence shows, however, that closing borders and restrictions on international travel tend to have little impact on the spread of infectious diseases. This feature article explores the linkages between public health and migration in the Americas.
Movements of migrants and asylum seekers in the Mediterranean have shown to be highly fluid, adapting quickly to changing conditions at origin, transit, and destination. This article examines the shifts in flows across the three major Mediterranean routes since 2008 and the complex web of often interconnected factors underpinning these movements.
While Poland held a generally positive opinion of immigration throughout the early 2000s, public attitudes toward refugees have shifted decidedly rightward since the onset of Europe's migration and refugee crisis. This article explores the complex, intersecting anxieties at play in Poland and the role of political rhetoric in stoking these sentiments
Scholars have declared feminization to be a core dimension of the new age of international migration. This article sketches a more nuanced understanding, noting that an uptick in female migration occurred far earlier. The authors examine global historical patterns of female migration in order to understand the causes and consequences of the migration gender balance, which varies considerably across time, cultures, and nations.
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The 1.6 million Chinese immigrants in the United States made them the country's fourth-largest immigrant group in 2008. MPI's Aaron Terrazas and Jeanne Batalova use the latest federal data to explore the population's size, geographic distribution, and socioeconomic characteristics.
The 1.7 million Filipino immigrants in the United States made them the countrys second-largest immigrant group in 2008. MPIs Aaron Terrazas and Jeanne Batalova use the latest federal data to explore the population's size, geographic distribution, and socioeconomic characteristics.
Mexican immigrants have claimed the top spot among all immigrant groups in the United States since the 1980 census. In 2008, the country's 11.4 million Mexican immigrants accounted for 30.1 percent of all U.S. immigrants and 10 percent of all Mexicans. MPI's Aaron Terrazas examines their socioeconomic characteristics, where they live, and the size of the Mexican-born unauthorized population.
The 535,000 Haitian immigrants residing in the United States in 2008 accounted for 1.4 percent of all U.S. immigrants and the fourth-largest immigrant group from the Caribbean. MPI's Aaron Terrazas examines their socioeconomic characteristics, where they live, and the size of the Haitian-born unauthorized population.
The 1.1 million Salvadoran immigrants residing in the United States in 2008 accounted for 2.9 percent of all U.S. immigrants, making them the second-largest immigrant group from Latin America. MPI's Aaron Terrazas examines their socioeconomic characteristics, where they live, and the size of the Salvadoran-born unauthorized population.
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MPI's Muzaffar Chishti and Claire Bergeron report on the Scheduled Departure program, special visas for Iraqi nationals, hospital "deportations," and more.
MPI's Muzaffar Chishti and Claire Bergeron report on immigrant detainee medical care, a federal court's dismissal of Arar v. Ashcroft, the National Guard leaving the Southwest border, and more.
MPI's Muzaffar Chishti and Claire Bergeron report on criminal arrests at a recent ICE raid, medical care in ICE custody, H-2B visas, and more.
MPI's Muzaffar Chishti and Claire Bergeron report on new immigration reform bills, the veto of Arizona's enforcement bill, remittances to Latin America, and more.
MPI's Muzaffar Chishti and Claire Bergeron report on the H-1B visa window, Real ID regulations, Arizona's proposed guest worker program, and more.
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