Migration Information Source
Floods and other environmental crises have caused massive displacement in Pakistan, most of this migration remaining within the country. Often, climate-displaced people go to the megacity of Karachi, where many settle permanently. This article offers perspectives from climate migrants living in several informal settlements in Karachi.
The Trump administration is seeking to all but eliminate Temporary Protected Status (TPS), a humanitarian safeguard for U.S.-resident noncitizens whose home countries were too dangerous or unstable for return. While critics say the term "temporary" has been stretched beyond recognition, TPS has become a mainstay. This article examines the history and use of TPS, the debate over its future, and holders of the status.
Migration patterns from and through Central America are changing in fundamental ways amid rising immigration enforcement and a reduction in global humanitarian aid. These twin developments are putting new pressures on governments in the region and reshaping migrant experiences, as this article explores.
The United States is home to the largest Brazilian community outside Brazil. Still, Brazilians account for only about 1 percent of all U.S. immigrants. This population has grown rapidly in recent years, with nearly two-thirds of Brazilian immigrants arriving since 2010, as this article details.
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Patterns of migration from Central Asia are changing amid deteriorating conditions in Russia following its 2022 invasion of Ukraine and a 2024 terrorist attack in Moscow blamed on Tajik nationals. Some labor migrants from Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan are looking to new destinations in Europe and beyond, bringing its own set of challenges.
Birth tourism is at the center of the Trump administration’s legal argument to end the guarantee of birthright citizenship. Estimates suggest the practice is quite rare, and a range of government actions, including enforcement operations on "maternity hotels," has sought to eradicate it. This article examines birth tourism to the United States, offering a look at trends, policy responses, and its role in the legal fight over ending birthright citizenship.
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.
The number of international migrants globally has roughly doubled since 1990. Yet because the world's overall population has grown, the share of all people living outside their country of origin is only slightly higher than it was then. This useful, data-rich article puts the global migrant population in context, offering current and historical statistics about the cross-border movements of workers, students, refugees and asylum seekers, and others.
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
Floods and other environmental crises have caused massive displacement in Pakistan, most of this migration remaining within the country. Often, climate-displaced people go to the megacity of Karachi, where many settle permanently. This article offers perspectives from climate migrants living in several informal settlements in Karachi.
The Trump administration is seeking to all but eliminate Temporary Protected Status (TPS), a humanitarian safeguard for U.S.-resident noncitizens whose home countries were too dangerous or unstable for return. While critics say the term "temporary" has been stretched beyond recognition, TPS has become a mainstay. This article examines the history and use of TPS, the debate over its future, and holders of the status.
Migration patterns from and through Central America are changing in fundamental ways amid rising immigration enforcement and a reduction in global humanitarian aid. These twin developments are putting new pressures on governments in the region and reshaping migrant experiences, as this article explores.
The United States is home to the largest Brazilian community outside Brazil. Still, Brazilians account for only about 1 percent of all U.S. immigrants. This population has grown rapidly in recent years, with nearly two-thirds of Brazilian immigrants arriving since 2010, as this article details.
Patterns of migration from Central Asia are changing amid deteriorating conditions in Russia following its 2022 invasion of Ukraine and a 2024 terrorist attack in Moscow blamed on Tajik nationals. Some labor migrants from Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan are looking to new destinations in Europe and beyond, bringing its own set of challenges.
Floods and other environmental crises have caused massive displacement in Pakistan, most of this migration remaining within the country. Often, climate-displaced people go to the megacity of Karachi, where many settle permanently. This article offers perspectives from climate migrants living in several informal settlements in Karachi.
Migration patterns from and through Central America are changing in fundamental ways amid rising immigration enforcement and a reduction in global humanitarian aid. These twin developments are putting new pressures on governments in the region and reshaping migrant experiences, as this article explores.
Patterns of migration from Central Asia are changing amid deteriorating conditions in Russia following its 2022 invasion of Ukraine and a 2024 terrorist attack in Moscow blamed on Tajik nationals. Some labor migrants from Kazakhstan, Kyrgyzstan, Tajikistan, and Uzbekistan are looking to new destinations in Europe and beyond, bringing its own set of challenges.
UK immigration policy has often followed public mood on the issue. While attitudes have remained generally steady, the issue’s salience—how important people feel it to be—has risen and fallen, often in response to major news coverage or periods of highly visible migration. This article describes how UK labor migration policies have followed public attitude since 2010.
Significant shares of Syrians and Turks who have sought asylum in the European Union are of Kurdish background. How will migration be affected by the overthrow of Bashar al-Assad’s regime in Syria and Turkey’s 2025 ceasefire with PKK militants? This article examines the history and context of migration dynamics involving the Kurds, and prospects for change.
The United States is home to the largest Brazilian community outside Brazil. Still, Brazilians account for only about 1 percent of all U.S. immigrants. This population has grown rapidly in recent years, with nearly two-thirds of Brazilian immigrants arriving since 2010, as this article details.
Indian immigrants comprise the second largest foreign-born group in the United States, even though they tend to have arrived more recently. Immigrants from India tend to have considerably more education than other groups and roughly one-fifth live in California. This article offers a range of information about this diverse group.
This essential resource offers top statistics about immigration, immigrants, and the immigration system in the United States, drawing on authoritative sources and the latest data available. The article offers insights on the size and characteristics of the immigrant population, the scope of temporary and permanent immigration via all pathways, enforcement actions, and much more.
The Ukrainian immigrant population in the United States grew significantly in the immediate aftermath of Russia's 2022 invasion of Ukraine. Compared to the overall immigrant population, Ukrainians are more likely to be U.S. citizens and have higher levels of education. This article provides wide-ranging statistics on the size, U.S. settlement, and socioeconomic characteristics of this group.
The U.S. approach towards refugees and asylum seekers has fluctuated considerably in recent years. The Trump administration all but ended refugee resettlement and sharply curtailed asylum processing following a period under the Biden administration of recent refugee highs, increased asylum grants, and the widespread use of temporary humanitarian protections. This article showcases the changing trends.
Nigeria, Africa’s most populous country and one of its largest economies, sits at the crossroads of the continent’s migration landscape. As both a regional immigration hub and an origin for significant emigration, the country contends with a wide range of migration issues that have evolved over time. This country profile situates Nigeria's migration trends and policies.
With limited land, low fertility, and a changing economy, Singapore has long depended on immigration to grow its labor force and global competitiveness while preserving national identity. This country profile examines how the nation has managed migration-related challenges in adapting to shifting demographic, economic, and political pressures.
Argentina's founders had a clear desire to encourage immigration, especially from Europe, and the country was for a period among the world’s top immigration destinations. Trends and policies shifted over time, and since the early 1900s overall immigration has declined. Most immigrants now come from neighboring South American countries. This country profile examines Argentina’s migration past and present, including a turn to more restrictive policymaking.
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.
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.
The Trump administration is seeking to all but eliminate Temporary Protected Status (TPS), a humanitarian safeguard for U.S.-resident noncitizens whose home countries were too dangerous or unstable for return. While critics say the term "temporary" has been stretched beyond recognition, TPS has become a mainstay. This article examines the history and use of TPS, the debate over its future, and holders of the status.
Birth tourism is at the center of the Trump administration’s legal argument to end the guarantee of birthright citizenship. Estimates suggest the practice is quite rare, and a range of government actions, including enforcement operations on "maternity hotels," has sought to eradicate it. This article examines birth tourism to the United States, offering a look at trends, policy responses, and its role in the legal fight over ending birthright citizenship.
Federal judges have provided significant opposition to the Trump administration’s immigration policies during its second term. The courts have halted or slowed a number of administration initiatives, including invoking the Alien Enemies Act of 1798 to carry out deportations and seeking to end birthright citizenship. This continues a trend of the judicial branch increasingly becoming the policymakers of last resort as presidents turn to executive action in the face of congressional inaction.
The ramp-up of federal immigration enforcement during the second Trump term has prompted sharp responses from state and local governments, with some limiting cooperation with U.S. Immigration and Customs Enforcement (ICE), or barring agents' wearing of masks or the establishment of immigrant detention facilities. At the same time, some Republican-led jurisdictions have embraced policies to encourage cooperation with ICE. This article traces the rise of "sanctuary" policies and divergent trends.
U.S. immigration policy, practice, and enforcement changed dramatically over the first year of President Donald Trump's second term, touching most corners of the immigration system. The government has cracked down on unauthorized immigration in the U.S. interior and at the border, expanded scrutiny of immigrants of all legal statuses, and erected barriers for would-be arrivals. This article provides a sweeping overview of the changes that have taken place and assesses their impacts.
