Synonyms for emigration

migration, resettlement, relocation, reestablishment, defection, expatriation, departure, removal, leaving, displacement, moving, moving away, crossing, transplanting, uprooting, exodus, exile, trek, journey, movement, march, travel, voyage, wandering, peregrination, shift, settling, homesteading, colonization, Volkswanderung (German), brain drain*.

Antonyms immigration*, arriving, remaining.