Age dependency ratio
提供: 広島大学デジタル博物館
2019年9月21日 (土) 22:10時点におけるChubo (トーク | 投稿記録)による版 (→Glossary of "Environmental Science: Earth as a Living Planet (2nd ed.) by Botkin & Keller (1998))
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age dependency ratio
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Definition
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.