International migration from sub-Saharan African countries to Europe and the U.S. has grown over the past decade. Many who live in sub-Saharan Africa say they would move to another country if they could.
In the last few years, the number of refugees annually resettled by the U.S. has not consistently grown in step with a worldwide refugee population that has expanded nearly 50% since 2013.
About half of those who applied for asylum in Europe during the refugee surge of 2015 and 2016 were still waiting to learn their fate as of the end of last year.