| 表３-２-４ 人口の平均年齢,中位数年齢および年齢構造指数：高位推計（参考推計） | |||||||||||
| 中位数 | 生産年齢人口を15〜64歳とした場合 | 生産年齢人口を20〜69歳とした場合 | |||||||||
| 年 次 | 平均年齢 | 年 齢 | 従属人口指数(％) | 老年化 | 従属人口指数(％) | 老年化 | |||||
| （歳） | （歳） | 総 数 | 年少人口 | 老年人口 | 指数(％) | 総 数 | 年少人口 | 老年人口 | 指数(％) | ||
| 平成 62 | (2050) | 46.2 | 46.2 | 80.6 | 27.8 | 52.8 | 190.2 | 78.7 | 37.1 | 41.7 | 112.4 |
| 63 | (2051) | 46.2 | 46.2 | 80.1 | 27.6 | 52.5 | 190.1 | 78.7 | 37.1 | 41.6 | 112.3 |
| 64 | (2052) | 46.2 | 46.3 | 79.5 | 27.4 | 52.1 | 189.8 | 78.5 | 37.0 | 41.5 | 112.2 |
| 65 | (2053) | 46.2 | 46.3 | 78.9 | 27.3 | 51.6 | 189.3 | 78.4 | 36.9 | 41.4 | 112.1 |
| 66 | (2054) | 46.1 | 46.3 | 78.1 | 27.1 | 51.1 | 188.5 | 78.2 | 36.9 | 41.3 | 112.0 |
| 67 | (2055) | 46.1 | 46.4 | 77.3 | 26.9 | 50.4 | 187.5 | 77.8 | 36.7 | 41.1 | 111.7 |
| 68 | (2056) | 46.1 | 46.4 | 76.5 | 26.7 | 49.7 | 186.2 | 77.3 | 36.6 | 40.7 | 111.2 |
| 69 | (2057) | 46.1 | 46.4 | 75.7 | 26.6 | 49.1 | 184.7 | 76.7 | 36.4 | 40.3 | 110.5 |
| 70 | (2058) | 46.0 | 46.4 | 74.8 | 26.4 | 48.4 | 182.9 | 76.1 | 36.3 | 39.8 | 109.7 |
| 71 | (2059) | 46.0 | 46.4 | 74.1 | 26.4 | 47.7 | 181.1 | 75.3 | 36.1 | 39.2 | 108.6 |
| 72 | (2060) | 45.9 | 46.3 | 73.3 | 26.3 | 47.1 | 179.0 | 74.5 | 35.9 | 38.6 | 107.4 |
| 73 | (2061) | 45.8 | 46.2 | 72.7 | 26.3 | 46.4 | 176.9 | 73.7 | 35.8 | 37.9 | 106.0 |
| 74 | (2062) | 45.8 | 46.2 | 72.2 | 26.3 | 45.9 | 174.8 | 73.0 | 35.7 | 37.3 | 104.5 |
| 75 | (2063) | 45.7 | 46.1 | 71.8 | 26.3 | 45.5 | 172.8 | 72.2 | 35.6 | 36.6 | 103.0 |
| 76 | (2064) | 45.6 | 45.9 | 71.5 | 26.4 | 45.1 | 170.9 | 71.5 | 35.5 | 36.0 | 101.4 |
| 77 | (2065) | 45.5 | 45.8 | 71.4 | 26.5 | 44.9 | 169.2 | 70.9 | 35.5 | 35.4 | 99.9 |
| 78 | (2066) | 45.5 | 45.7 | 71.4 | 26.6 | 44.7 | 167.8 | 70.4 | 35.5 | 34.9 | 98.4 |
| 79 | (2067) | 45.4 | 45.5 | 71.4 | 26.8 | 44.6 | 166.5 | 70.0 | 35.5 | 34.4 | 97.0 |
| 80 | (2068) | 45.3 | 45.4 | 71.6 | 27.0 | 44.6 | 165.4 | 69.7 | 35.6 | 34.1 | 95.8 |
| 81 | (2069) | 45.2 | 45.3 | 71.8 | 27.1 | 44.7 | 164.6 | 69.5 | 35.7 | 33.8 | 94.8 |
| 82 | (2070) | 45.2 | 45.1 | 72.1 | 27.3 | 44.8 | 163.9 | 69.5 | 35.8 | 33.7 | 94.0 |
| 83 | (2071) | 45.1 | 45.0 | 72.4 | 27.5 | 44.9 | 163.4 | 69.6 | 36.0 | 33.6 | 93.4 |
| 84 | (2072) | 45.0 | 44.9 | 72.7 | 27.6 | 45.1 | 163.1 | 69.8 | 36.1 | 33.6 | 93.0 |
| 85 | (2073) | 45.0 | 44.9 | 73.0 | 27.8 | 45.2 | 162.9 | 70.0 | 36.3 | 33.7 | 92.8 |
| 86 | (2074) | 44.9 | 44.8 | 73.3 | 27.9 | 45.4 | 162.8 | 70.4 | 36.5 | 33.9 | 92.8 |
| 87 | (2075) | 44.9 | 44.8 | 73.5 | 28.0 | 45.5 | 162.8 | 70.8 | 36.7 | 34.1 | 92.8 |
| 88 | (2076) | 44.9 | 44.8 | 73.7 | 28.0 | 45.7 | 163.0 | 71.1 | 36.9 | 34.3 | 93.0 |
| 89 | (2077) | 44.9 | 44.8 | 73.9 | 28.1 | 45.8 | 163.2 | 71.5 | 37.0 | 34.5 | 93.3 |
| 90 | (2078) | 44.9 | 44.8 | 74.0 | 28.1 | 45.9 | 163.4 | 71.9 | 37.1 | 34.8 | 93.7 |
| 91 | (2079) | 44.9 | 44.8 | 74.0 | 28.1 | 45.9 | 163.7 | 72.3 | 37.2 | 35.0 | 94.0 |
| 92 | (2080) | 44.9 | 44.9 | 74.0 | 28.0 | 46.0 | 163.9 | 72.6 | 37.3 | 35.2 | 94.4 |
| 93 | (2081) | 44.9 | 44.9 | 74.0 | 28.0 | 46.0 | 164.1 | 72.8 | 37.4 | 35.4 | 94.8 |
| 94 | (2082) | 44.9 | 44.9 | 73.9 | 27.9 | 45.9 | 164.2 | 73.0 | 37.4 | 35.6 | 95.1 |
| 95 | (2083) | 44.9 | 45.0 | 73.7 | 27.9 | 45.8 | 164.3 | 73.2 | 37.5 | 35.7 | 95.4 |
| 96 | (2084) | 44.9 | 45.0 | 73.5 | 27.8 | 45.7 | 164.3 | 73.3 | 37.4 | 35.8 | 95.6 |
| 97 | (2085) | 44.9 | 45.0 | 73.3 | 27.7 | 45.6 | 164.2 | 73.3 | 37.4 | 35.8 | 95.8 |
| 98 | (2086) | 44.9 | 45.1 | 73.1 | 27.7 | 45.4 | 164.0 | 73.2 | 37.4 | 35.8 | 95.8 |
| 99 | (2087) | 44.9 | 45.1 | 72.8 | 27.6 | 45.2 | 163.6 | 73.1 | 37.3 | 35.8 | 95.8 |
| 100 | (2088) | 44.9 | 45.1 | 72.6 | 27.6 | 45.0 | 163.2 | 73.0 | 37.3 | 35.7 | 95.7 |
| 101 | (2089) | 44.9 | 45.1 | 72.4 | 27.6 | 44.9 | 162.8 | 72.8 | 37.2 | 35.6 | 95.5 |
| 102 | (2090) | 44.9 | 45.1 | 72.2 | 27.5 | 44.7 | 162.2 | 72.6 | 37.2 | 35.4 | 95.2 |
| 103 | (2091) | 44.9 | 45.0 | 72.1 | 27.6 | 44.5 | 161.6 | 72.4 | 37.2 | 35.2 | 94.8 |
| 104 | (2092) | 44.9 | 45.0 | 72.0 | 27.6 | 44.4 | 161.0 | 72.2 | 37.1 | 35.0 | 94.4 |
| 105 | (2093) | 44.8 | 44.9 | 71.9 | 27.6 | 44.3 | 160.3 | 71.9 | 37.1 | 34.8 | 93.9 |
| 106 | (2094) | 44.8 | 44.9 | 71.9 | 27.7 | 44.2 | 159.7 | 71.7 | 37.1 | 34.6 | 93.3 |
| 107 | (2095) | 44.8 | 44.8 | 71.9 | 27.8 | 44.1 | 159.0 | 71.6 | 37.1 | 34.4 | 92.8 |
| 108 | (2096) | 44.8 | 44.7 | 71.9 | 27.8 | 44.1 | 158.4 | 71.4 | 37.2 | 34.3 | 92.3 |
| 109 | (2097) | 44.7 | 44.7 | 72.0 | 27.9 | 44.1 | 157.8 | 71.3 | 37.2 | 34.1 | 91.7 |
| 110 | (2098) | 44.7 | 44.6 | 72.1 | 28.0 | 44.1 | 157.2 | 71.3 | 37.3 | 34.0 | 91.2 |
| 111 | (2099) | 44.7 | 44.5 | 72.3 | 28.2 | 44.1 | 156.7 | 71.3 | 37.4 | 33.9 | 90.8 |
| 112 | (2100) | 44.6 | 44.4 | 72.4 | 28.3 | 44.2 | 156.3 | 71.3 | 37.5 | 33.8 | 90.4 |
| 各年10月１日現在人 | |||||||||||