[rén kǒu]
（居住某地人的总数） population
have a sparse population
人口稀少
standard population
标准人口
resident population
常住人口
urban population
城市人口
population waiting for employment
待业人口
non-agricultural population
非农业人口
transient population
流动人口
floating overpopulation
流动过剩人口
aimlessly drifting population
盲流人口
agricultural population
农业人口
optimum population
适度人口
de facto population
现住人口
rural population
乡村人口
working population
在业人口
China is the world's most populous country with a population of 1.1 billion, which makes up approximately a quarter of the world population.
中国是世界人口最多的国家, 有11亿, 约占世界总人口的四分之一。
（一户人家的人数） the number of people in a family
There aren't many people in his family.
他家人口不多。