Q&A: How Pew Research Center estimated the number of unauthorized immigrants in Europe
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.
Numbers, Facts and Trends Shaping Your World
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.
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.
The number of people living in sub-Saharan Africa who were forced to leave their homes due to conflict reached a new high of 18.4 million in 2017, up sharply from 14.1 million in 2016 – the largest regional increase of forcibly displaced people in the world.
The Obama administration deported 414,481 unauthorized immigrants in fiscal 2014, a drop from the prior year driven by a decline in deportations of immigrants with a criminal conviction.
As political and economic unrest roils Venezuela, U.S. asylum applications filed by Venezuelans so far in fiscal 2016 have jumped 168% compared with the same time period a year earlier.
Apprehensions of children and their families at the U.S.-Mexico border since October 2015 have more than doubled from a year ago and now outnumber apprehensions of unaccompanied children, a figure that also increased this year.
An estimated 12.5 million Syrians are now displaced, an unprecedented number in recent history for a single country.
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ABOUT PEW RESEARCH CENTER Pew Research Center is a nonpartisan fact tank that informs the public about the issues, attitudes and trends shaping the world. It conducts public opinion polling, demographic research, media content analysis and other empirical social science research. Pew Research Center does not take policy positions. It is a subsidiary of The Pew Charitable Trusts.
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