noun
working-age population
Demographic term for the segment of the population typically considered able to work, often defined as ages 15–64.
日本の生産年齢人口は減少を続けている。
Japan's working-age population continues to decline.
労働力人口 refers to the labor force (those employed or actively seeking work), while 生産年齢人口 is the broader demographic group of working-age people, regardless of employment status.
Compound of 生産 (production), 年齢 (age), and 人口 (population). A modern demographic term.