生産年齢人口 せいさんねんれいじんこう Meanings Noun working-age population Kanji 生 life. Read as セイ. 産 produce. Read as サン. 年 year. Read as ネン. 齢 age. Read as レイ. 人 person. Read as ジン. 口 mouth. Read as コウ. Jinuma: Japanese Dictionary · Word lists