令和3年簡易生命表の概況 目 次 頁 令和3年簡易生命表について ·························································· 1 1 主な年齢の平均余命 ································································ 2 2 寿命中位数等生命表上の生存状況··············································· 3 3 平均寿命の国際比較 ································································ 4 4 死因分析 ··········································································