overpopulation，英语单词，主要用作名词，作名词时译为“人口过剩”。

柯林斯英汉双解大词典

overpopulation /ˌəʊvəˌpɒpjʊˈleɪʃən/

1.N-UNCOUNT If there is a problem of overpopulation in an area, there are more people living there than can be supported properly. 人口过多

agrarian overpopulation 农业人口过剩

overpopulation detail 人口过多

relieve overpopulation 缓解人口过剩问题

relative overpopulation 相对过剩人口

Owing To Overpopulation 由于人口过剩

relative overpopulation theory 相对过剩人口理论

Overpopulation causes aging 人口过多会导致老龄化

Overpopulation and Social Behavior 我口过多与社会行为

population-overpopulation 人口过剩