emigration
US /ˌem.əˈɡreɪ.ʃən/
UK /ˌem.əˈɡreɪ.ʃən/

1.
移民, 移居
the act of leaving one's own country to settle permanently in another; moving abroad.
:
•
The country has seen a significant increase in emigration due to economic hardship.
由于经济困难,该国移民人数显著增加。
•
Her decision for emigration was driven by a desire for better opportunities.
她移民的决定是出于对更好机会的渴望。