Return migration or remigration is the migration of a people back to their country of citizenship. Research topics include the return migration process, motivations for returning, the experiences returnees encounter, and the impacts of return migration on both the host and the home countries.

The exact numbers are debated, but historian Mark Wyman concludes: "The totals are so enormous: at least one-third of the 52 million Europeans who left Europe between 1824 and 1924 returned permanently