Melina Platas, an assistant professor of political science at New York University Abu Dhabi, explains the Muslim-Christian education gap in sub-Saharan Africa.
The country took in 84,995 refugees, the most since 1999. But where they settled varied widely, with some states taking in large numbers and others very few.
No other democratic nation fills its top job quite the way the U.S. does, and only a handful are even similar.
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.
Though many Americans say they're concerned about possible election fraud, the U.S. electoral system generally ranks high in cross-national comparisons.