After a month of war, Ukrainian refugee crisis ranks among the world’s worst in recent history
More than 3.7 million Ukrainians have fled to neighboring countries – the sixth-largest refugee outflow over the past 60-plus years.
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.
Regional conflict and economic opportunity boost number of migrants from 25 million to 54 million.
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