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Migration Policy Institute
E.g., 07/13/2025
E.g., 07/13/2025

Migration Information Source

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Map of North and South Korea
iStock.com/omersukrugoksu

As the number of defections from North to South Korea has declined, South Korea has struggled to respond to a new trend: a rising number of children born during defectors' long stays in China or other third country. As this article explains, these children automatically become South Korean citizens upon arrival but are not eligible for the range of government benefits designed to support defectors, leaving many to fall through the cracks. 

Canadians welcome Syrian refugees to Toronto.
stacey_newman/iStock.com

Canada has long been viewed as a global leader in creating welcoming immigration policies. But amid pressures on housing and services, as well as a surge in admission of temporary migrants, most Canadians now say there is too much immigration. With the government lowering its targets for new arrivals, this country profile examines the factors behind Canada's policy evolution.

A man boards a repatriation charter flight to Guatemala.
ICE

The Trump administration has launched an ambitious campaign to encourage “self-deportation” as a complement to its muscular immigration enforcement operations. While a somewhat similar U.S. attempt in 2008 was considered a failure and international "pay-to-go" programs have occurred on a smaller scale than envisioned by Trump officials, the administration is hoping it can now succeed through an unmatched combination of carrots and sticks, as this article details.

Flags of the United States and Canada
Ashley Fraser/U.S. Embassy and Consulates in Canada

Historically close cultural and economic ties have prompted Canadians to move to the United States for generations. Canadians once accounted for one-tenth of all U.S. immigrants, although this share is now much smaller. This article offers easy-to-access statistics on the current and historical Canadian immigrant population in the United States.

People ride bicycles in the Za'atari refugee camp in Jordan.
© UNHCR/Shawkat Alharfoush

As Syria enters a new era with the fall of dictator Bashar al-Assad, the question of return of millions of Syrians who sought refuge internationally looms large. In Jordan, which has been a key host for Syrian refugees, limited numbers of Syrians have chosen to return to date. Instead, what has quietly taken shape is a fragile form of long-term integration. This article examines Jordan's response to the protracted Syrian displacement over time and prospects for the future.

An ICE specialist in cybercrime.
ICE

In its bid to ramp up deportations, the Trump administration is granting ICE access to a swath of government databases that were previously off limits for immigration enforcement, including sensitive tax and Social Security records. This article details the growing digital arsenal of government and commercial databases that ICE can tap to identify and arrest removable noncitizens, and how this unprecedented data sharing has its roots in the post-9/11 era.

Small flags on a table.

Featured

Whether as migrant-sending or migrant-receiving locations—or both—many countries have rich, complex international and internal migration histories. MPI's online journal, theMigration Information Source, offers resources on more than 100 nations. Written by leading scholars, these articles delve into countries' migration histories, demographics, policymaking, and more.

A U.S. passport and green card
Spotlight
March 12, 2025

Find essential statistics about U.S. immigration, immigrants, and the immigration system today and throughout history. This perennially popular article compiles the latest available data on the size and shape of the immigrant population, immigrant families, refugees and asylees, unauthorized immigrants, temporary visitors, and more. It also examines legal immigration processing and immigration enforcement.

Changing Climate, Changing Migration logo.

Featured

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

Map of North and South Korea
Feature
July 8, 2025

As the number of defections from North to South Korea has declined, South Korea has struggled to respond to a new trend: a rising number of children born during defectors' long stays in China or other third country. As this article explains, these children automatically become South Korean citizens upon arrival but are not eligible for the range of government benefits designed to support defectors, leaving many to fall through the cracks. 

Canadians welcome Syrian refugees to Toronto.
Profile
June 24, 2025

Canada has long been viewed as a global leader in creating welcoming immigration policies. But amid pressures on housing and services, as well as a surge in admission of temporary migrants, most Canadians now say there is too much immigration. With the government lowering its targets for new arrivals, this country profile examines the factors behind Canada's policy evolution.

A man boards a repatriation charter flight to Guatemala.
Policy Beat
June 18, 2025

The Trump administration has launched an ambitious campaign to encourage “self-deportation” as a complement to its muscular immigration enforcement operations. While a somewhat similar U.S. attempt in 2008 was considered a failure and international "pay-to-go" programs have occurred on a smaller scale than envisioned by Trump officials, the administration is hoping it can now succeed through an unmatched combination of carrots and sticks, as this article details.

Flags of the United States and Canada
Spotlight
June 11, 2025

Historically close cultural and economic ties have prompted Canadians to move to the United States for generations. Canadians once accounted for one-tenth of all U.S. immigrants, although this share is now much smaller. This article offers easy-to-access statistics on the current and historical Canadian immigrant population in the United States.

People ride bicycles in the Za'atari refugee camp in Jordan.
Feature
June 5, 2025

As Syria enters a new era with the fall of dictator Bashar al-Assad, the question of return of millions of Syrians who sought refuge internationally looms large. In Jordan, which has been a key host for Syrian refugees, limited numbers of Syrians have chosen to return to date. Instead, what has quietly taken shape is a fragile form of long-term integration. This article examines Jordan's response to the protracted Syrian displacement over time and prospects for the future.

Pages

Map of North and South Korea
Feature
July 8, 2025

As the number of defections from North to South Korea has declined, South Korea has struggled to respond to a new trend: a rising number of children born during defectors' long stays in China or other third country. As this article explains, these children automatically become South Korean citizens upon arrival but are not eligible for the range of government benefits designed to support defectors, leaving many to fall through the cracks. 

People ride bicycles in the Za'atari refugee camp in Jordan.
Feature
June 5, 2025

As Syria enters a new era with the fall of dictator Bashar al-Assad, the question of return of millions of Syrians who sought refuge internationally looms large. In Jordan, which has been a key host for Syrian refugees, limited numbers of Syrians have chosen to return to date. Instead, what has quietly taken shape is a fragile form of long-term integration. This article examines Jordan's response to the protracted Syrian displacement over time and prospects for the future.

A student at a school in Yemen attended by many displaced children.
Feature
May 7, 2025

Children and youth who are displaced by climate events face unique barriers to accessing and completing school. Children comprise a disproportionately large share of the world’s forcibly displaced people, and even temporary displacement can have permanent ramifications for their education, livelihood prospects, and well-being. This article explores the connections between climate change, mobility, and education.

Venezuelans crossing into Colombia.
Feature
April 30, 2025

While most Colombians say the influx of migrants from Venezuela over the past decade harms their country, this opinion does not necessarily lead to support for more immigration restrictions. As this article shows, attitudes are more nuanced, and many Colombians blame the government and employers for perceived harms resulting from immigration, rather than immigrants themselves.

An Eritrean refugee in Ethiopia.
Feature
April 9, 2025

Eritreans account for a disproportionately large share of the world’s refugees. But fleeing the harshly repressive country is rarely easy. This article provides a primer on the situation in Eritrea and the conditions that refugees and other emigrants have encountered abroad.

Pages

Flags of the United States and Canada
Spotlight
June 11, 2025

Historically close cultural and economic ties have prompted Canadians to move to the United States for generations. Canadians once accounted for one-tenth of all U.S. immigrants, although this share is now much smaller. This article offers easy-to-access statistics on the current and historical Canadian immigrant population in the United States.

A man carrying the flag of Guatemala in a parade in Washington, DC.
Spotlight
May 14, 2025

Guatemalans account for about 3 percent of all immigrants in the United States, but the money that they and others send back to loved ones in Guatemala as remittances forms a pillar of the country's economy. This article provides a wealth of data to understand this understand this growing immigrant group.

Un hombre portando la bandera de Guatemala en un desfile en Washington, DC
Spotlight
May 14, 2025

Los guatemaltecos representan alrededor del 3 por ciento de todos los inmigrantes en Estados Unidos, pero el dinero que ellos y otros envían a sus seres queridos en Guatemala en forma de remesas constituye un pilar de la economía del país. Este artículo ofrece abundantes datos para entender a este grupo de inmigrantes.

Image of a family in San Francisco
Spotlight
April 17, 2025

Nearly one-third of all immigrants in the United States come from Asia, more than any other region except Latin America. Compared to both the U.S. born and overall foreign-born population, immigrants from Asia tend to have higher levels of education and income. This article offers useful statistics about this group, which represents a growing share of the U.S. immigrant population.

A U.S. passport and green card
Spotlight
March 12, 2025

Find essential statistics about U.S. immigration, immigrants, and the immigration system today and throughout history. This perennially popular article compiles the latest available data on the size and shape of the immigrant population, immigrant families, refugees and asylees, unauthorized immigrants, temporary visitors, and more. It also examines legal immigration processing and immigration enforcement.

Pages

Canadians welcome Syrian refugees to Toronto.
Profile
June 24, 2025

Canada has long been viewed as a global leader in creating welcoming immigration policies. But amid pressures on housing and services, as well as a surge in admission of temporary migrants, most Canadians now say there is too much immigration. With the government lowering its targets for new arrivals, this country profile examines the factors behind Canada's policy evolution.

Copenhagen's Nyhavn district.
Profile
May 21, 2025

Denmark has gradually moved to a restrictive approach toward humanitarian protection, in a shift that has made it something of a leader for other countries—and an anomaly as it has done so under a center-left government. As this country profile explains, Danish policymakers have pioneered policies that limit protection, including making it temporary.

Norwegian Parliament President Masud Gharahkhani greets a children's procession
Profile
February 12, 2025

Norway has transformed from a historically homogeneous society to one where one-fifth of residents are immigrants or the children of immigrants. Economic opportunities, a strong welfare state, and humanitarian commitments have been instrumental for immigration, which has been both a driver of growth and a source of debate. This article provides an overview of the history and key trends in Norway.

Women walk by the Sky Tower in Auckland.
Profile
October 16, 2024

New Zealand, once chiefly a destination for British and Irish settlers, has become a destination for temporary labor and student migration from Asia and beyond. Immigrants comprised 29 percent of the population as of 2023, but many have temporary statuses that do not offer full residence rights. This article provides a wide-ranging overview of the country's past and present trends and policies.

A Swiss border sign.
Profile
September 18, 2024

Immigration has shaped modern Switzerland, at times in ways different than expected. Its foreign-born population share is larger than that of many other European countries or the United States. Yet the Swiss public has repeatedly expressed anxiety about newcomers, and periods of increased immigration have often coincided with efforts at restriction. This article provides an overview of Switzerland's migration trends, policies, and tensions.

Pages

A man boards a repatriation charter flight to Guatemala.
Policy Beat
June 18, 2025

The Trump administration has launched an ambitious campaign to encourage “self-deportation” as a complement to its muscular immigration enforcement operations. While a somewhat similar U.S. attempt in 2008 was considered a failure and international "pay-to-go" programs have occurred on a smaller scale than envisioned by Trump officials, the administration is hoping it can now succeed through an unmatched combination of carrots and sticks, as this article details.

An ICE specialist in cybercrime.
Policy Beat
May 29, 2025

In its bid to ramp up deportations, the Trump administration is granting ICE access to a swath of government databases that were previously off limits for immigration enforcement, including sensitive tax and Social Security records. This article details the growing digital arsenal of government and commercial databases that ICE can tap to identify and arrest removable noncitizens, and how this unprecedented data sharing has its roots in the post-9/11 era.

President Donald Trump and Homeland Security Secretary Kristi Noem in the Oval Office.
Policy Beat
April 24, 2025

In its first 100 days, the Trump administration has issued a flurry of actions that represent the most sweeping immigration policy changes in decades, reshaping enforcement, border security, legal immigration, humanitarian protection, and foreign policy. This article provides an overview of the myriad changes in the first 100 days of the second Trump term and assesses the challenges ahead.

Unauthorized immigrants in the process of being deported from the United States.
Policy Beat
March 21, 2025

The Trump administration is tapping ancient war-time and national security laws, including the 1798 Alien Enemies Act and 1940 Alien Registration Act, in unprecedented ways for general immigration enforcement. This article examines how the administration is deploying these archaic authorities, previously used for actions including World War II internments and the Cold War-era campaign against communists.

Noncitizens being deported to Ecuador board a military plane in Texas.
Policy Beat
February 27, 2025

In making immigration enforcement its top priority, the Trump administration has bent a broad swath of the federal government to the mission of arresting, deporting, and barring the entry of noncitizens who lack legal status or have been convicted of crimes. The changes represent an unprecedented retooling and remaking of the vast U.S. deportation machinery, as this article details.

Pages

About MPI’s Online Journal

The Migration Information Source provides fresh thought, authoritative data, and global analysis of international migration and refugee trends.

For more about the Source, click here.

In the Spotlight

Country Resources

Country Resources

Interested in quickly finding out what resources MPI and its online journal, theMigration Information Source, have by country? The country resources page allows users to select individual countries and see all theSourcearticles, MPI research, multimedia, and more that relates to an individual country. This is a great way to dive into everything MPI and theSource have to offer by country.

Get Started

Frequently Requested Statistics on Immigrants and Immigration in the United States

Immigration to the United States is the subject of significant debate, with questions ranging from the size of inflows, the role of immigrants in the labor market, and the nature of enforcement, to humanitarian admission policies and the sociodemographic characteristics of new arrivals. As such, it is important for the public to have access to accurate current and historical information. This article offers the top statistics on immigrants and immigration to the United States.

Continue reading

The Migration Data Hub

The Migration Data Hub showcases the most current demographic, social, and economic statistics about immigrants and immigration internationally and in the United States (including at the state level). Visit the Data Hub for current and historical data on immigrant and refugee populations, migration trends, and sociodemographic characteristics. From asylum recognition rates to remittance flows, the Data Hub offers easy access to top statistics.

Continue Reading

Top 10 Migration Issues of the Year

Every year, theMigration Information Sourcecompiles the Top 10 Migration Issues of the Year, assessing key developments globally regarding immigration developments, policies, and trends. Visit our Top 10 Library today to check out the top migration developments of the year from 2005 onward.

Browse Now

State Immigration Data Profiles

Want the latest facts and data on immigrants in the United States? Search U.S. Census data on U.S. immigrants and the native born nationally and by state based on demographic, language and education, workforce, and income indicators.

Get Started

TheMigration Information Source has published a series of special issues that focus on particular migration trends of note, among them "Migration in the Modern Chinese World," "Women and Migration," and a special issue on migration and development. Check out our Special Issue Library.

Browse Now

Top Statistics on Global Migration and Migrants

Seeking some of the most often-sought information on global migration? This statistics-rich article draws on 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.

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