About 3.9 million kindergarten through 12th-grade students in U.S. public and private schools in 2014 were children of unauthorized immigrants.
Some 244 million people worldwide have left their countries of birth – many seeking improved economic opportunities or fleeing physical danger – but the impact of out-migration has been uneven worldwide.
There were 8 million unauthorized immigrants in the U.S. working or looking for work in 2014, making up 5% of the civilian labor force, according to new Pew Research Center estimates using government data.
About 275,000 babies were born to unauthorized-immigrant parents in 2014, a decline from 330,000 in 2009.
Between 2005 and 2015, the number of migrants living in the Middle East more than doubled, from about 25 million to around 54 million
With the number of displaced people in the world at more than 60 million in 2015, the plight of refugees has gained new prominence.
A total of 38,901 Muslim refugees entered the U.S. in fiscal year 2016, making up almost half (46%) of the nearly 85,000 refugees who entered the country in that period.
The unauthorized immigrant population in the U.S. – 11.1 million in 2014 – has remained essentially stable since 2009 after nearly two decades of changes.
The estimated total - 11.1 million in 2014 - has steadied since the end of the recession as the number declined from Mexico but grew from other countries.
The number of legal permanent residents applying for U.S. citizenship in the nine months starting last October is at its highest level in four years.