- 流动人口 liúdòngrénkǒu floating populationThe transient or migrant population who live and work away from their place of permanent registration
- 总人口 zǒngrénkǒu total population
- 常住人口 chángzhùrénkǒu permanent residentsThe permanent population or long-term residents of a specific area, usually referring to those who have lived there for at least six months, regardless of whether they have a local registered household or [[户口|戶口|hu4 kou3]]
- 人口普查 rénkǒupǔchá censusThe process of officially counting a population and recording various details about individuals, such as age, gender, and occupation; also called [[人口统计|人口統計|ren2 kou3 tong3 ji4]].
- 脍炙人口 kuàizhìrénkǒu universally appreciated(idiom) Appealing to the masses and widely enjoyed; used to describe excellent literature, music, or other things that are praised and spread by word of mouth.
- 人口密度 rénkǒumìdù population densityThe average number of people living in a specific area
- 人口学 rénkǒuxué demographythe study of human populations; demography; demographics
- 人口数 rénkǒushù populationnumber of people in a population
- 人口论 rénkǒulùn population theorytheory regarding the growth and management of population; sometimes refers specifically to Malthusianism
- 人口过剩 rénkǒuguòshèng overpopulationSituation where the number of people grows faster than available resources, making it difficult to maintain a good quality of life.
- 贻人口实 yírénkǒushí to give cause for gossipTo give people grounds for talk or criticism; to leave oneself open to ridicule due to careless words or actions. Referred to in the classic Book of History.
- 授人口实 shòurénkǒushí to give people grounds for gossipTo give others a pretext or basis for criticism, mockery, or gossip; to leave oneself vulnerable to attack by one's own words or actions
- 予人口实 yǔrénkǒushí to give cause for gossipTo give critics a handle; to leave oneself open to criticism or provide others with an excuse to attack or gossip.
- 人口贩子 rénkǒufànzi human traffickera person who makes a living by trading in human beings; a human trafficker or slave trader
- 人口贩运 rénkǒufànyùn human traffickingthe illegal trade or trafficking of people for the purposes of forced labor or sexual exploitation
- 人口金字塔 rénkǒujīnzìtǎ population pyramidA bar graph showing the distribution of a population by age group and gender, typically shaped like a pyramid.
- 低端产业从业人口 dīduānchǎnyècóngyèrénkǒu low-end industry workerspeople employed in low-end industries, often used in urban planning contexts to refer to migrant laborers in labor-intensive sectors
- 低端人口 dīduānrénkǒu low-end population(derogatory) Low-paid workers in unskilled industries; often used to describe migrant workers in large cities.
- 失业人口 shīyèrénkǒu unemployed populationThe group of people who are capable of working and willing to work, but are currently looking for or waiting for a job. job; the unemployed.
- 幽灵人口 yōulíngrénkǒu phantom populationpeople who are officially registered as residents at an address but do not actually live there
- 老年人口 lǎoniánrénkǒu elderly populationThe number of people in a population over a certain age, usually 60 or 65 years old.
- 落人口实 luòrénkǒushí to give grounds for gossipto provide others with an excuse or material for criticism or mockery
- 贩卖人口 fànmàirénkǒu human traffickingto traffic in human beings; to buy and sell people as commodities
- 买卖人口 mǎimàirénkǒu human traffickingTo deal in human beings; to engage in the trade of people as if they were goods.
- 过剩人口 guòshèngrénkǒu surplus populationan excess of people in a given area or population; overspill
- 人口分布 rénkǒufēnbù population distributionThe geographical pattern or arrangement of people living within a specific area.
- 人口密集 rénkǒumìjí densely populatedhaving a high density of people; crowded
- 人口流动 rénkǒuliúdòng population flowthe movement of people from one place to another; population shift
- 人口爆炸 rénkǒubàozhà population explosiona rapid and sudden increase in the number of people living in an area; refers to population growth that is extremely fast or density that is extremely high
- 人口稠密 rénkǒuchóumì densely populatedpopulous; densely populated
- 人口红利 rénkǒuhónglì demographic dividendthe economic growth potential that results from shifts in a population's age structure, particularly when the share of the working-age population is larger than the non-working-age share
- 人口组合 rénkǒuzǔhé demographic structurethe composition of a population, including categories such as age, gender, occupation, or social class
- 人口结构 rénkǒujiégòu demographic structureThe composition of a population in a specific area, such as the breakdown of people by class, occupation, or age; also called [[人口组合|人口組合|ren2 kou3 zu3 he2]]
- 人口统计 rénkǒutǒngjì demographicsdemographic statistics or population census
- 人口统计学 rénkǒutǒngjìxué demographythe study of human populations through statistics; population studies
- 人口老化 rénkǒulǎohuà aging populationThe phenomenon where the proportion of elderly people in a specific area or period becomes high; aging of the population.
- 人口老龄化 rénkǒulǎolínghuà aging of the populationThe process by which the proportion of elderly people in a country or region increases; population aging
- 人口调查 rénkǒudiàochá censusdemographic survey; census