表2−8 将来推計人口の年齢構造に関する指標:2010〜60年 | |||||||||||
年次 | 人口割合 (%) | 平均年齢 | 中位数年齢 | 従属人口指数 | 老年化 指数 |
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0〜14歳 | 15〜64歳 | 65歳以上 | (歳) | (歳) | 総 数 | 年少人口 | 老年人口 | ||||
2010 | 13.1 | 63.8 | 23.0 | 45.0 | 45.1 | 56.7 | 20.6 | 36.1 | 175.1 | ||
2011 | 13.1 | 63.6 | 23.3 | 45.3 | 45.3 | 57.1 | 20.5 | 36.6 | 178.4 | ||
2012 | 12.9 | 62.9 | 24.2 | 45.6 | 45.6 | 59.0 | 20.6 | 38.5 | 186.9 | ||
2013 | 12.8 | 62.1 | 25.1 | 45.9 | 46.0 | 61.1 | 20.6 | 40.5 | 196.4 | ||
2014 | 12.7 | 61.3 | 26.1 | 46.2 | 46.4 | 63.2 | 20.7 | 42.5 | 205.9 | ||
2015 | 12.5 | 60.7 | 26.8 | 46.5 | 46.8 | 64.8 | 20.6 | 44.2 | 214.5 | ||
2016 | 12.3 | 60.2 | 27.5 | 46.8 | 47.2 | 66.1 | 20.5 | 45.6 | 222.4 | ||
2017 | 12.2 | 59.8 | 28.0 | 47.1 | 47.6 | 67.1 | 20.3 | 46.8 | 229.8 | ||
2018 | 12.0 | 59.6 | 28.4 | 47.4 | 48.0 | 67.9 | 20.2 | 47.7 | 236.4 | ||
2019 | 11.9 | 59.4 | 28.8 | 47.7 | 48.4 | 68.5 | 20.0 | 48.5 | 242.4 | ||
2020 | 11.7 | 59.2 | 29.1 | 48.0 | 48.9 | 69.1 | 19.8 | 49.2 | 248.0 | ||
2025 | 11.0 | 58.7 | 30.3 | 49.3 | 51.0 | 70.3 | 18.7 | 51.6 | 276.2 | ||
2030 | 10.3 | 58.1 | 31.6 | 50.4 | 52.7 | 72.2 | 17.8 | 54.4 | 306.1 | ||
2035 | 10.1 | 56.6 | 33.4 | 51.3 | 54.0 | 76.8 | 17.8 | 59.0 | 331.4 | ||
2040 | 10.0 | 53.9 | 36.1 | 52.1 | 54.9 | 85.4 | 18.5 | 66.8 | 360.4 | ||
2045 | 9.9 | 52.4 | 37.7 | 52.8 | 55.4 | 90.9 | 18.9 | 72.0 | 381.2 | ||
2050 | 9.7 | 51.5 | 38.8 | 53.4 | 56.0 | 94.1 | 18.8 | 75.3 | 401.4 | ||
2055 | 9.4 | 51.2 | 39.4 | 54.1 | 56.6 | 95.3 | 18.3 | 77.0 | 420.9 | ||
2060 | 9.1 | 50.9 | 39.9 | 54.6 | 57.3 | 96.3 | 17.9 | 78.4 | 437.8 | ||
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