out-migration patterns
rural out-migration
mass out-migration
rate of out-migration
A: Why is the village becoming so quiet lately?
A：为什么最近村子里变得这么安静？
B: There has been a significant out-migration of young people seeking work in the city.
B：由于年轻人去城市寻找工作，这里出现了显著的人口外流。
1) 人口外流
2) 移民迁出
3) 离开原居地
1. 人口迁出
noun
1. The process of people leaving a particular area, especially to settle in another place.
Synonym: emigration