山本謙三(やまもと・けんぞう)

前回述べたように、日本の人口ピラミッドが「脚の長い凧形」に向かうのは、少子化と長寿化の結果である。少子化がピラミッドの下方をスリムにし、長寿化が全体の形状を縦長にする。
記事全文>>5月 12日 2021年 経済
前回述べたように、日本の人口ピラミッドが「脚の長い凧形」に向かうのは、少子化と長寿化の結果である。少子化がピラミッドの下方をスリムにし、長寿化が全体の形状を縦長にする。
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