Requirements that international travelers and migrants prove vaccination against certain diseases are about as old as vaccines themselves. In some cases, vaccine certificates predated the existence of government-issued passports. This article explores the history of these requirements, which began with smallpox and have since been applied for diseases including cholera, polio, yellow fever, and, recently, COVID-19.
The United States’ controversial Title 42 migrant expulsions policy will come to an end in May 2022, after more than 1.7 million expulsions over two years. The COVID-19-era public-health restriction ushered in an unprecedented period of mass expulsions, including of would-be asylum seekers, at the U.S.-Mexico border. Unwinding the policy will be complicated amid predictions of a significant increase in unauthorized migration.
What’s in a name? Terms used to refer to people crossing international borders are frequently debated and often evolve, amid efforts to shape the narrative and changing political realities. This article explores the history and evolving use of terms such as "migrant," "refugee," "illegal immigrant," "unauthorized immigrant," and more.
Need information about U.S. immigration trends or the makeup of the country's immigrant population? This useful, stats-rich article answers the most common questions about the size, shape, and changing nature of the U.S. foreign-born population. It also offers data on immigration enforcement actions, backlogs, and other elements of the U.S. immigration system.
With nearly 18 million nationals abroad, India is the origin of more international migrants than any other country and claims the world's largest diaspora. Indian emigration can be traced back to the colonial era, with the British empire dispatching Indian workers across the globe, and has evolved for more than a century in response to global labor demands and geopolitical events. This article offers a comprehensive profile of migration from and to India.
The number of border walls globally has multiplied at a rapid clip, from fewer than five at the end of World War II to more than six dozen now, with more under construction. Most of the world's border fortifications have been built since the turn of the millennium, and are intended to accomplish a range of functions. This article charts the remarkable growth and normalization of border walls globally.
President Joe Biden has made efforts to overhaul the U.S. immigration system, but could see his administration's agenda slowed by massive backlogs across the immigration system. Case application wait times and immigration court queues have swelled during the COVID-19 pandemic, slowing legal arrivals to the United States and undermining the entire immigration system.
South Americans make up a relatively small share of all U.S. immigrants. But their numbers have been growing in recent years and flows are diversifying, particularly with new arrivals from Venezuela. This article offers key statistics on the South American immigrant population in the United States.
The 4.3 million Black immigrants in the United States come largely from the Caribbean and sub-Saharan Africa. This article offers insights about rates of poverty, health insurance, and other metrics for Black immigrants both nationally and in the top five major cities of residence, finding that policies at federal and local levels, as well as the legacy of historical Black disenfranchisement, can exaggerate or reduce some of the gaps with U.S.-born White residents.
Artificial intelligence systems that promise speedier travel and improved tools to halt smuggling and detect illegal entry have been embraced by border officials across the globe. But critics contend they also pose serious privacy concerns, which may become more pronounced as technologies evolve. This article examines the challenges and promises.
China has a long history of international migration. Movement was sharply interrupted following the 1949 revolution but has rebounded in recent decades. Since 1979, the country has developed from one of mostly limited migration into one that is in many ways defined through its global interactions, although it continues to treat migration warily, as this country profile explains.
While Donald Trump’s presidency is perceived as being the most active on immigration, touching nearly every aspect of the U.S. immigration system, President Joe Biden’s administration has far outpaced his predecessor in the number of executive actions taken during his first year in office—even as the pace of change has gone largely unnoticed, as this article explores.
Migration from the Middle East and North Africa (MENA) region to the United States doubled between 2000 and 2019, yet these immigrants represented less than 3 percent of the overall U.S. foreign-born population as of 2019. MENA immigrants are more likely than other immigrants to be English proficient, have a college degree, and work in management, business, science, and arts occupations.
As host to more immigrants than any other country, the United States has been shaped and reshaped by immigration over the centuries, with the issue at times becoming a flashpoint. This article covers the history of U.S. immigration and the major laws governing immigration, and provides a comprehensive overview of the present-day immigrant population.
The Biden administration's court-ordered restart of the controversial Migrant Protection Protocols, known informally as the Remain in Mexico policy, puts it in the awkward position of reviving a program it is simultaneously still trying to end. The Trump-era program forced tens of thousands of migrants to wait out the duration of their U.S. immigration court hearings in Mexico and was only questionably successful at deterring unauthorized arrivals.
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.
Vietnamese immigrants are among the largest foreign-born groups from Asia in the United States. The first significant arrivals came at the end of the Vietnam War; more recent immigrants from Vietnam have been more likely to come through family sponsorship programs. This article examines different dimensions of this immigrant population.
In 1980, more than 2.5 million Ethiopian refugees lived in other countries. Now, Ethiopians are more likely to migrate for labor reasons, particularly to the Middle East and southern Africa, and meanwhile the country has become a refuge for humanitarian migrants from its neighbors. This article traces the history of migration from, to, and through Ethiopia.
The chaotic arrival of thousands of Haitians at the U.S.-Mexico border in September 2021 was the culmination of a journey through the Americas that began for many a decade ago. This article examines how Brazil became a refuge for many after Haiti’s devastating 2010 earthquake, and how Haitians then moved on to Chile and other countries as conditions changed, and then onward again further north.
After the terror attacks of September 11, 2001 the U.S. immigration system was retooled to have a strong national security focus. This restructuring had dramatic effects on government operations and resource allocations, not to mention on the lives of immigrants and the U.S. born alike. Twenty years on from 9/11, this article examines the changes put in place or accelerated as a result of the attacks.
Immigrant integration is a complicated process that cannot fully be measured by any single metric. Understandings of immigrant integration have changed over time, and this article explores how the methods of measuring integration outcomes have evolved alongside these changing frameworks.
