noun, noun or participle which takes 'suru', intransitive verb
depopulation; population decline
Refers to the process of a region losing population, often used in social and economic contexts. Can be used as a noun or as a suru-verb (intransitive).
地方の過疎化が深刻な問題になっている。
Depopulation in rural areas has become a serious problem.
この村
This village has depopulated, and there are almost no young people left.