Age dependency ratio

age dependency ratio

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Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.)" by Botkin & Keller (1998)

  • The ratio of dependent-age people (those unable to work) to working-age people. It is customary to define working-age people as those aged 15 to 65.


広島大学 / デジタル自然史博物館 / 植物 / アルファベット順 / A | 仮名順 にもどる