[rén kǒu]
（居住某地人的總數） population
have a sparse population
人口稀少
standard population
標準人口
resident population
常住人口
urban population
城市人口
population waiting for employment
待業人口
non-agricultural population
非農業人口
transient population
流動人口
floating overpopulation
流動過剩人口
aimlessly drifting population
盲流人口
agricultural population
農業人口
optimum population
適度人口
de facto population
現住人口
rural population
鄉村人口
working population
在業人口
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.
中國是世界人口最多的國家, 有11億, 約占世界總人口的四分之一。
（一戶人家的人數） the number of people in a family
There aren't many people in his family.
他家人口不多。