人口老龄化 rénkǒulǎolínghuà aging of the population Definitions Defs Origin Strokes Stroke Words Sentences Sents 人口 rénkǒu noun population The total number of people living in a specific area; the inhabitants of a country or city.老龄化 老齡化 lǎolínghuà aging The process of a population or society becoming older; aging of a population.
