If you emigrate, you leave your own country to live in another country.
He emigrated to Belgium. [VERB + to]
They planned to emigrate. [VERB]
Synonyms: move abroad, move, relocate, migrate
emigration (emɪgreɪʃən ) uncountable noun B2 ...the huge emigration of workers to the West. [+ of]
Synonyms: departure, removal, migration, exodus