人口 (rén kǒu) means “population; people”. It is an HSK 5 Chinese word in the HSK 3.0 vocabulary.
Practice each character:
中国人口超过十四亿。
Zhōngguó rénkǒu chāoguò shísì yì.
China's population exceeds 1.4 billion.
Updated: 2026-05-27