Emigrate.
Synonyms:
immigrate, migrate.
To migrate is to change one's dwelling-place, usually with the idea of repeated change, or of periodical return; it applies to wandering tribes of men, and to many birds and animals. Emigrate and immigrate carry the idea of a permanent change of residence to some other country or some distant region; the two words are used distinctively of human beings, and apply to the same person and the same act, according to the side from which the action is viewed.
Prepositions:
A person emigrates from the land he leaves, and immigrates to the land where he takes up his abode.