emigrate / immigrate / migrate
Leave a country, enter a country, or move.
To emigrate is to leave a country. To immigrate is to enter one. To migrate is to move from one place to another, of people or of animals. You emigrate from a place. You immigrate to a place.
Examples
Useemigrate from Canada
Useimmigrate to Texas
Usebirds migrate
Avoidimmigrate from Canada (If you mean they left Canada.)