少子化問題を考える①:出生率低下は経済成長にともなう不可避な人口動態 http://okane.robots.jp/2021/12/05/%e5%b0%91%e5%ad%90%e5%8c%96%e5%95%8f%e9%a1%8c%e3%82%92%e8%80%83%e3%81%88%e3%82%8b%e2%91%a0%ef%bc%9a%e5%87%ba%e7%94%9f%e7%8e%87%e4%bd%8e%e4%b8%8b%e3%81%af%e7%b5%8c%e6%b8%88%e6%88%90%e9%95%b7%e3%81%ab/