| 4 mouth of a person: |
| | 脍炙人口 enjoy great popularity |
| | 人口税 poll tax |
| | 人口爆炸 population explosion |
| | 人口断层 population faulting |
| | 人口分布 population distribution |
| | 人口高峰 population peak |
| | 人口过剩 excess of population; over population |
| | 人口基数 population base |
| | 人口激增 population boom |
| | 人口结构 population structure |
| | 人口密度 density of population |
| | 人口普查 (population) census |
| | 人口素质 quality of population |
| | 人口统计 population statistics; population accounting |
| | 人口问题 population problem |
| | 人口形势 state of population |
| | 人口压力 population pressure |
| | 人口意识 awareness of the population problem |
| | 人口预测 (规划) population projection |
| | 人口增长 population growth |
| | 人口政策 population policy |
| | 人口质量 population quality |
| | 人口组成 population composition |
| | 人口出生率 birth rate; human fertility |
| | 人口动态学 population dynamics |
| | 人口负增长 negative population growth (NPG) |
| | 人口（年龄）金字塔 population pyramid |
| | 人口经济学 population economics |
| | 人口老龄化 aging of population |
| | 人口年轻化 rejuvenation of population |
| | 人口死亡率 human mortality |
| | 人口转化期 period of demographic transition |
| | 人口动态统计 vital statistics |
| | 人口自然增长 natural growth of the population |
| | 人口综合素质 population overall quality; comprehensive population quality |
| | 人口自然增长率 natural growth rate of population |
