表2−6 人口の年齢構造に関する指標:1884〜2003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 | |||||||
0〜14歳 | 15〜64歳 | 65歳以上 | (歳) | (歳) | 総 数 | 年少人口 | 老年人口 | (%) | ||||
1884 | 31.62 | 62.64 | 5.72 | 28.9 | 21.0 | 59.6 | 50.5 | 9.1 | 18.1 | |||
1888 | 33.73 | 60.77 | 5.49 | 28.2 | 24.5 | 64.5 | 55.5 | 9.0 | 16.3 | |||
1898 | 32.83 | 61.67 | 5.49 | 28.0 | 23.9 | 62.1 | 53.2 | 8.9 | 16.7 | |||
1908 | 34.22 | 60.53 | 5.25 | 27.7 | 24.1 | 65.2 | 56.5 | 8.7 | 15.3 | |||
1920 | 36.48 | 58.26 | 5.26 | 26.7 | 22.2 | 71.6 | 62.6 | 9.0 | 14.4 | |||
1930 | 36.59 | 58.66 | 4.75 | 26.3 | 21.8 | 70.5 | 62.4 | 8.1 | 13.0 | |||
1940 | 36.68 | 58.52 | 4.80 | 26.6 | 21.9 | 70.9 | 62.7 | 8.2 | 13.1 | |||
1947 | 35.30 | 59.90 | 4.79 | 26.6 | 22.1 | 66.9 | 58.9 | 8.0 | 13.6 | |||
1950 | 35.37 | 59.69 | 4.94 | 26.6 | 22.3 | 67.5 | 59.3 | 8.3 | 14.0 | |||
1955 | 33.38 | 61.30 | 5.32 | 27.6 | 23.7 | 63.1 | 54.4 | 8.7 | 15.9 | |||
1960 | 30.04 | 64.23 | 5.73 | 29.1 | 25.6 | 55.7 | 46.8 | 8.9 | 19.1 | |||
1965 | 25.61 | 68.10 | 6.29 | 30.4 | 27.5 | 46.8 | 37.6 | 9.2 | 24.6 | |||
1970 | 23.93 | 69.00 | 7.07 | 31.5 | 29.1 | 44.9 | 34.7 | 10.2 | 29.5 | |||
1975 | 24.33 | 67.75 | 7.92 | 32.5 | 30.6 | 47.6 | 35.9 | 11.7 | 32.6 | |||
1980 | 23.51 | 67.39 | 9.10 | 33.9 | 32.5 | 48.4 | 34.9 | 13.5 | 38.7 | |||
1985 | 21.51 | 68.18 | 10.30 | 35.7 | 35.2 | 46.7 | 31.6 | 15.1 | 47.9 | |||
1990 | 18.24 | 69.69 | 12.08 | 37.6 | 37.7 | 43.5 | 26.2 | 17.3 | 66.2 | |||
1995 | 15.95 | 69.49 | 14.56 | 39.6 | 39.7 | 43.9 | 23.0 | 20.9 | 91.2 | |||
2000 | 14.58 | 68.06 | 17.36 | 41.4 | 41.5 | 46.9 | 21.4 | 25.5 | 119.1 | |||
2001 | 14.36 | 67.67 | 17.97 | 41.8 | 41.8 | 47.8 | 21.2 | 26.5 | 125.1 | |||
2002 | 14.20 | 67.25 | 18.54 | 42.1 | 42.1 | 48.7 | 21.1 | 27.6 | 130.5 | |||
2003 | 14.03 | 66.92 | 19.05 | 42.5 | 42.4 | 49.4 | 21.0 | 28.5 | 135.8 | |||
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