人口|じんこうjinkou[0]heiban (flat)

1. nounpopulation
   紀元きげん２０２０年ねんまでには、この市しの人口じんこうは倍増ばいぞうしているだろう。↗

   By the year 2020, the population of our city will have doubled.
2. nouncommon talk

• SynonymポピュレーションWrittenポピュレーション is a literary loanword meaning population; it parallels 人口 but carries a bookish flavor, so prefer 人口 in ordinary conversation and general writing.

Use 人口 as the ordinary word for population; ポピュレーション is a literary loanword synonym, so reserve it for stylistically elevated writing rather than everyday speech.

Usage comparisons are AI-assisted and cross-checked by multiple models; for study reference only

1. ある地域ちいきにおける人数にんずう。
2. 人ひとの口くち。世間せけんの評判ひょうばん。