Migration or resettlement: moving one's residence to another country or region and starting to live there (to immigrate/emigrate).
家族でカナダに移住することを決めた。
We decided to emigrate to Canada with the family.
都市から地方への移住を考えている人が増えている。
More people are considering moving from cities to rural areas.
歴史的には多くの民族が移住を繰り返してきた。
Historically, many peoples have undergone repeated migrations.