人口金字塔 rénkǒujīnzìtǎ population pyramid Origin Definitions Defs 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.金字塔 jīnzìtǎ noun pyramid Ancient stone structure found in Egypt or the Americas; named because its shape resembles the Chinese character 金 jīn.