short readsNov 13, 2019 How European and U.S. unauthorized immigrant populations compare The size of Europe’s unauthorized immigrant population in 2017 was less than half the number in the United States.
short readsDec 15, 2016 International migration: Key findings from the U.S., Europe and the world 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.