depopulate
🇺🇸
/ˌdiːˈpɑːpjuleɪt/
🇬🇧
/ˌdiːˈpɒpjuleɪt/
to make a place have fewer people living in it
The villages were depopulated because many people moved to the cities.
村莊因許多人搬到城市而人口減少。