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.

An analysis of online searches in 2015 and 2016 opens a window into the path and timing of migrant flows from Middle East to Europe.

Regional conflict and economic opportunity boost number of migrants from 25 million to 54 million.

The recent wave of asylum seekers to 28 EU countries, Norway and Switzerland accounts for one-in-ten asylum applications to the region since 1985.