Millions of people around the world have migrated to the U.S. and other countries in recent years – some voluntarily, others to flee political turmoil, persecution or war.
The number of refugees who have entered Europe this summer has declined compared with last year, but the backlog of asylum applications continues to grow.
Although Europe is struggling to manage the hundreds of thousands of refugees fleeing conflicts in the Middle East, Africa and elsewhere, the countries facing the biggest refugee impacts are the ones closest to the fighting.