老年人口 lǎoniánrénkǒu elderly population Definitions Defs Origin Strokes Stroke Words Sentences Sents 老年人口 lǎoniánrénkǒu elderly population The number of people in a population over a certain age, usually 60 or 65 years old.
老年人口 lǎoniánrénkǒu elderly population The number of people in a population over a certain age, usually 60 or 65 years old.
