The movement of people across borders has halted in much of the world as countries close their borders in response to the coronavirus outbreak.
As a standoff escalates at the Greece-Turkey border, here's how people in Greece see migrants, as well as how many migrants live in Greece.
Roughly 317,000 immigrants from 10 countries have this status after fleeing dangerous conditions at home. Learn about where these protections stand.
In this Q&A and video, learn about the methods and data sources the Center used to estimate the number of unauthorized immigrants in Europe.
The size of Europe’s unauthorized immigrant population in 2017 was less than half the number in the United States.
Most live in Germany, the UK, Italy and France, and about half had arrived in Europe in recent years. Overall, these migrants account for less than 1% of Europe’s total population.
A decline in U.S. refugee admissions comes at a time when the number of refugees worldwide has reached the highest levels since World War II.
Jeffrey S. Passel, senior demographer, on the research techniques used to derive the unauthorized immigrant population estimate in the U.S. and the challenges involved.
While Mexico is the United States' largest source of immigrants, the number of Mexican immigrants living in the U.S. illegally has declined since 2007.
Canada resettled 28,000 refugees in 2018, similar to its 2017 total. Meanwhile, the U.S. resettled 23,000, down from the previous year.