| 表1-4-16 従属人口指数(老年人口):各推計値 | ||||||||||
| (％) | ||||||||||
| 年 次 | 中位推計 | 高位推計 | 低位推計 | 出生率 2000年一定 死亡率 変化 |
出生率 中位 死亡率 2000年一定 |
出生率 2000年一定 死亡率 2000年一定 |
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| 平成 12 | (2000) | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 | 25.5 | |||
| 13 | (2001) | 26.6 | 26.6 | 26.6 | 26.6 | 26.5 | 26.5 | |||
| 14 | (2002) | 27.5 | 27.5 | 27.5 | 27.5 | 27.5 | 27.5 | |||
| 15 | (2003) | 28.4 | 28.4 | 28.4 | 28.4 | 28.3 | 28.3 | |||
| 16 | (2004) | 29.1 | 29.1 | 29.1 | 29.1 | 29.0 | 29.0 | |||
| 17 | (2005) | 30.0 | 30.0 | 30.0 | 30.0 | 29.9 | 29.9 | |||
| 18 | (2006) | 31.2 | 31.2 | 31.2 | 31.2 | 31.0 | 31.0 | |||
| 19 | (2007) | 32.4 | 32.4 | 32.4 | 32.4 | 32.1 | 32.1 | |||
| 20 | (2008) | 33.5 | 33.5 | 33.5 | 33.5 | 33.1 | 33.1 | |||
| 21 | (2009) | 34.6 | 34.6 | 34.6 | 34.6 | 34.2 | 34.2 | |||
| 22 | (2010) | 35.2 | 35.2 | 35.2 | 35.2 | 34.7 | 34.7 | |||
| 23 | (2011) | 35.6 | 35.6 | 35.6 | 35.6 | 34.9 | 34.9 | |||
| 24 | (2012) | 37.2 | 37.2 | 37.2 | 37.2 | 36.5 | 36.5 | |||
| 25 | (2013) | 39.1 | 39.1 | 39.1 | 39.1 | 38.1 | 38.1 | |||
| 26 | (2014) | 40.9 | 40.9 | 40.9 | 40.9 | 39.8 | 39.8 | |||
| 27 | (2015) | 42.4 | 42.4 | 42.4 | 42.4 | 41.2 | 41.2 | |||
| 28 | (2016) | 43.6 | 43.6 | 43.6 | 43.6 | 42.2 | 42.2 | |||
| 29 | (2017) | 44.6 | 44.5 | 44.6 | 44.5 | 43.0 | 42.9 | |||
| 30 | (2018) | 45.3 | 45.3 | 45.4 | 45.3 | 43.5 | 43.5 | |||
| 31 | (2019) | 45.9 | 45.8 | 46.0 | 45.8 | 43.9 | 43.8 | |||
| 32 | (2020) | 46.4 | 46.3 | 46.6 | 46.3 | 44.2 | 44.1 | |||
| 33 | (2021) | 46.8 | 46.7 | 47.0 | 46.7 | 44.4 | 44.3 | |||
| 34 | (2022) | 47.1 | 46.9 | 47.3 | 46.9 | 44.5 | 44.3 | |||
| 35 | (2023) | 47.4 | 47.1 | 47.7 | 47.2 | 44.6 | 44.4 | |||
| 36 | (2024) | 47.7 | 47.4 | 48.2 | 47.5 | 44.7 | 44.6 | |||
| 37 | (2025) | 48.0 | 47.6 | 48.5 | 47.8 | 44.8 | 44.6 | |||
| 38 | (2026) | 48.3 | 47.7 | 48.9 | 48.0 | 44.8 | 44.6 | |||
| 39 | (2027) | 48.5 | 47.9 | 49.3 | 48.3 | 44.9 | 44.7 | |||
| 40 | (2028) | 48.9 | 48.2 | 49.8 | 48.7 | 45.1 | 44.9 | |||
| 41 | (2029) | 49.3 | 48.5 | 50.3 | 49.1 | 45.3 | 45.1 | |||
| 42 | (2030) | 50.0 | 49.0 | 51.1 | 49.8 | 45.7 | 45.5 | |||
| 43 | (2031) | 50.0 | 48.9 | 51.3 | 49.8 | 45.5 | 45.3 | |||
| 44 | (2032) | 50.7 | 49.5 | 52.2 | 50.6 | 46.0 | 45.9 | |||
| 45 | (2033) | 51.5 | 50.1 | 53.2 | 51.4 | 46.5 | 46.4 | |||
| 46 | (2034) | 52.4 | 50.9 | 54.2 | 52.3 | 47.2 | 47.1 | |||
| 47 | (2035) | 53.3 | 51.7 | 55.4 | 53.3 | 47.9 | 47.9 | |||
| 48 | (2036) | 54.4 | 52.6 | 56.8 | 54.4 | 48.8 | 48.7 | |||
| 49 | (2037) | 55.7 | 53.6 | 58.3 | 55.7 | 49.8 | 49.8 | |||
| 50 | (2038) | 57.1 | 54.8 | 59.9 | 57.1 | 50.9 | 50.9 | |||
| 51 | (2039) | 58.4 | 55.9 | 61.6 | 58.5 | 52.0 | 52.0 | |||
| 52 | (2040) | 59.6 | 56.9 | 63.0 | 59.7 | 52.9 | 53.0 | |||
| 53 | (2041) | 60.6 | 57.7 | 64.4 | 60.7 | 53.7 | 53.8 | |||
| 54 | (2042) | 61.5 | 58.3 | 65.6 | 61.6 | 54.3 | 54.5 | |||
| 55 | (2043) | 62.3 | 58.9 | 66.7 | 62.5 | 55.0 | 55.1 | |||
| 56 | (2044) | 63.0 | 59.4 | 67.8 | 63.2 | 55.5 | 55.7 | |||
| 57 | (2045) | 63.7 | 59.9 | 68.9 | 64.0 | 56.0 | 56.2 | |||
| 58 | (2046) | 64.3 | 60.2 | 69.8 | 64.6 | 56.4 | 56.6 | |||
| 59 | (2047) | 64.9 | 60.6 | 70.7 | 65.1 | 56.7 | 57.0 | |||
| 60 | (2048) | 65.5 | 60.9 | 71.7 | 65.8 | 57.1 | 57.4 | |||
| 61 | (2049) | 66.1 | 61.2 | 72.7 | 66.4 | 57.5 | 57.8 | |||
| 62 | (2050) | 66.5 | 61.4 | 73.7 | 66.9 | 57.8 | 58.0 | |||
| 各年10月1日現在人口.平成12(2000)年は,総務省統計局『国勢調査報告』(年齢｢不詳人口」を按分補正した）人口による. | ||||||||||