out migration

/ˈaʊtmaɪˌɡreɪʃən/
noun
  1. The movement of people away from a particular area, region, or country to live elsewhere.
    • The out-migration from rural villages to cities has increased dramatically over the past decade.
    • Economic hardship led to a wave of out-migration from the island nation.
    • The government is studying the causes of out-migration among young professionals.
What does "out migration" mean? | whatsthatwordmean | whatsthatwordmean