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Unnamed: 0 | Unnamed: 1 | Unnamed: 2 | Unnamed: 3 | Unnamed: 4 | Unnamed: 5 | Unnamed: 6 | Unnamed: 7 | Unnamed: 8 | Unnamed: 9 | Unnamed: 10 | Unnamed: 11 | Unnamed: 12 | Unnamed: 13 | Unnamed: 14 | Unnamed: 15 | Unnamed: 16 | Unnamed: 17 | Unnamed: 18 | Unnamed: 19 | Unnamed: 20 | Unnamed: 21 | Unnamed: 22 | Unnamed: 23
 |  |  |  |  | 第20表  年齢（３区分）別割合及び年齢構造指数－全国，都道府県  [NAME]）
 |  |  |  |  | Table 20.  Percent by Age (3 Groups) and Indices of Age Composition - Japan and Prefectures : 1920 to 2000 - Continued
 |  |  |  |  | その４　年少人口指数 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | Part 4.  Child dependency ratio
 |  |  |  |  |  | 地域 |  |  |  | 大正 | 昭和 | 昭和 | 昭和 | 昭和 | 昭和 | 昭和 | 昭和 | 昭和 | 昭和 | 昭和 | 平成 | 平成 | 平成
 |  |  |  |  |  |  |  |  |  | ９年 | ５年 | 15年 | 25年 | 30年 | 35年 | 40年 | 45年 | 50年 | 55年 | 60年 | ２年 | ７年 | 12年
 |  |  |  |  |  | Area |  |  |  | 1920 | 1930 | 1940 | 1950 | 1955 | 1960 | 1965 | 1970 | 1975 | 1980 | 1985 | 1990 | 1995 | 2000
 |  |  |  |  |  | 全         国  Japan |  |  |  | 62.6 | 62.4 | 61 | 59.4 | 54.6 | 47 | 37.9 | 34.9 | 35.9 | 34.9 | 31.6 | 26.2 | 23 | 21.4
 |  |  |  |  |  |  | 1 | 北海道 |  | 73 | 73.6 | 68.6 | 67.1 | 61.7 | 53.5 | 42.3 | 36.6 | 35.9 | 34 | 31.1 | 26.4 | 22.8 | 20.7
 |  |  |  |  |  |  | 2 | 青森県 |  | 74.4 | 74.1 | 74.8 | 67.6 | 65.3 | 60.5 | 50 | 42.2 | 38.9 | 35.8 | 33 | 28.9 | 25.5 | 23.1
 |  |  |  |  |  |  | 3 | 岩手県 |  | 68.2 | 72.5 | 72.5 | 65.3 | 62.5 | 57.6 | 48 | 39.8 | 36.4 | 34.2 | 32.2 | 28.7 | 25.8 | 23.6
 |  |  |  |  |  |  | 4 | 宮城県 |  | 70 | 74 | 73.7 | 63.6 | 60.4 | 54.9 | 44.1 | 36.1 | 34.3 | 33.9 | 32.5 | 28.6 | 24.7 | 22.1
 |  |  |  |  |  |  | 5 | 秋田県 |  | 70.4 | 74.6 | 75.6 | 65.5 | 61.4 | 56.1 | 44.8 | 35.8 | 32.2 | 30.6 | 29.6 | 26.9 | 24 | 21.9
 |  |  |  |  |  |  | 6 | 山形県 |  | 67.3 | 70.4 | 71.9 | 61.3 | 57 | 51.4 | 42.1 | 34.6 | 32 | 31.2 | 30.6 | 28.5 | 26.1 | 24.1
 |  |  |  |  |  |  | 7 | 福島県 |  | 68.8 | 74.2 | 73.8 | 65.8 | 63.4 | 59.6 | 49.1 | 39.6 | 36 | 34.4 | 33.6 | 30.6 | 27.6 | 25.2
 |  |  |  |  |  |  | 8 | 茨城県 |  | 65.8 | 69.4 | 67.8 | 63.4 | 60.1 | 54.2 | 43.7 | 37.1 | 37.1 | 37.1 | 34.5 | 28.8 | 24.9 | 22.6
 |  |  |  |  |  |  | 9 | 栃木県 |  | 71.1 | 74.7 | 72.1 | 65.8 | 62 | 56.1 | 43.5 | 36.4 | 36.2 | 36.4 | 34.2 | 28.9 | 25.1 | 22.7
 |  |  |  |  |  |  | 10 | 群馬県 |  | 66.3 | 67 | 66.6 | 63.1 | 58.1 | 51 | 39.6 | 35.1 | 36.4 | 36.1 | 33.2 | 27.5 | 24.3 | 22.8
 |  |  |  |  |  |  | 11 | 埼玉県 |  | 65.7 | 67.1 | 64.5 | 62.1 | 57.2 | 48.6 | 38.3 | 37.6 | 41.6 | 40.2 | 34 | 25.7 | 21.9 | 20.4
 |  |  |  |  |  |  | 12 | 千葉県 |  | 61.8 | 62.8 | 63.3 | 60 | 55.8 | 48 | 38.4 | 36.6 | 39.5 | 38.6 | 33.6 | 25.9 | 21.7 | 19.9
 |  |  |  |  |  |  | 13 | 東京都 |  | 48.4 | 48.4 | 47.8 | 48.6 | 41.2 | 31.8 | 27.1 | 28.5 | 30.7 | 28.8 | 24.6 | 19.7 | 17.2 | 16.4
 |  |  |  |  |  |  | 14 | 神奈川県 |  | 57.8 | 59.5 | 55.2 | 55.3 | 49.6 | 40 | 32.3 | 33.3 | 36.9 | 35.7 | 30.2 | 23.4 | 20.2 | 19.3
 |  |  |  |  |  |  | 15 | [NAME] |  | 69.9 | 68.7 | 68.4 | 63.9 | 59.9 | 53.6 | 42.1 | 35.9 | 34.7 | 34 | 32 | 28.3 | 25 | 23.1
 |  |  |  |  |  |  | 16 | [NAME] |  | 74 | 65.2 | 62.1 | 60.9 | 56.5 | 46.5 | 34.7 | 32 | 34.1 | 34.2 | 31.6 | 25.9 | 22.6 | 21.5
 |  |  |  |  |  |  | 17 | 石川県 |  | 66.9 | 60.7 | 57.8 | 59.6 | 56.3 | 47.9 | 36.6 | 34.3 | 36.2 | 36.2 | 33.4 | 27.4 | 23.7 | 22.5
 |  |  |  |  |  |  | 18 | 福井県 |  | 66.7 | 62.8 | 59.7 | 57.9 | 55.7 | 49.4 | 39.8 | 35.7 | 35.6 | 34.8 | 32.8 | 28.6 | 26.1 | 24.6
 |  |  |  |  |  |  | 19 | 山梨県 |  | 71.4 | 71.1 | 70.3 | 63.7 | 58.1 | 51.3 | 42.5 | 37.3 | 36.3 | 34.5 | 31.3 | 27.4 | 25 | 23.9
 |  |  |  |  |  |  | 20 | 長野県 |  | 62.4 | 64.4 | 65.5 | 58.4 | 53.1 | 45.1 | 36.9 | 34 | 34.7 | 34.4 | 31.9 | 27.7 | 25 | 23.8
 |  |  |  |  |  |  | 21 | 岐阜県 |  | 66.6 | 67.1 | 66.1 | 60.7 | 55 | 46.9 | 38.1 | 35.8 | 37.2 | 36.2 | 33 | 27.4 | 24.3 | 23
 |  |  |  |  |  |  | 22 | 静岡県 |  | 68.7 | 69.9 | 67 | 61.8 | 56.2 | 48.9 | 39.8 | 36.3 | 37.1 | 36.2 | 33 | 27.5 | 24.2 | 22.5
 |  |  |  |  |  |  | 23 | 愛知県 |  | 63.2 | 59.2 | 58.2 | 58.8 | 50.4 | 40.4 | 33.9 | 34.7 | 38.3 | 37 | 32.5 | 25.8 | 22.8 | 22
 |  |  |  |  |  |  | 24 | 三重県 |  | 63.5 | 62.7 | 62.5 | 57.8 | 52.1 | 45 | 36.8 | 34.5 | 35.7 | 34.7 | 31.9 | 27.1 | 24.5 | 23.2
 |  |  |  |  |  |  | 25 | 滋賀県 |  | 62.5 | 59.7 | 59.3 | 54.9 | 50.9 | 45.2 | 36.9 | 34 | 36.4 | 37.6 | 35.5 | 30.2 | 26.4 | 24.3
 |  |  |  |  |  |  | 26 | 京都府 |  | 53.4 | 48.8 | 51 | 51.8 | 45.7 | 37.6 | 30 | 30.5 | 34 | 34 | 30.6 | 24.7 | 21.2 | 19.9
 |  |  |  |  |  |  | 27 | 大阪府 |  | 48.9 | 46.2 | 48.2 | 50.2 | 45.1 | 36.5 | 31.6 | 33.7 | 37.5 | 35.8 | 30.4 | 23.7 | 20.6 | 20.1
 |  |  |  |  |  |  | 28 | 兵庫県 |  | 57.6 | 56.2 | 53.6 | 53.9 | 50 | 42 | 34.5 | 33.8 | 36.3 | 35.7 | 32.1 | 26.4 | 23.4 | 22
 |  |  |  |  |  |  | 29 | 奈良県 |  | 65.4 | 60.6 | 57.5 | 52 | 47.3 | 41.4 | 34.6 | 33.1 | 36.1 | 36.2 | 32.6 | 26.7 | 23.3 | 21.7
 |  |  |  |  |  |  | 30 | 和歌山県 |  | 67.3 | 63 | 59.9 | 55 | 49.8 | 44.1 | 36.4 | 34.6 | 35.5 | 34.1 | 31.3 | 26.9 | 24.8 | 23.3
 |  |  |  |  |  |  | 31 | [NAME] |  | 60.5 | 64.2 | 61.9 | 58.1 | 55.2 | 50.8 | 41.3 | 34.6 | 33.1 | 32.7 | 32.6 | 29.8 | 27 | 24.4
 |  |  |  |  |  |  | 32 | 島根県 |  | 56.3 | 59.4 | 61.3 | 61.8 | 58.3 | 53.2 | 41.7 | 35.1 | 33.3 | 32.8 | 31.9 | 29.1 | 26.4 | 24.3
 |  |  |  |  |  |  | 33 | 岡山県 |  | 57.3 | 56.7 | 57.4 | 56.8 | 52.4 | 45.1 | 35.9 | 33.3 | 34.6 | 34.7 | 32.5 | 27.5 | 24.4 | 23
 |  |  |  |  |  |  | 34 | 広島県 |  | 64.1 | 62.3 | 57.6 | 57.3 | 53.1 | 45.1 | 35.6 | 33.3 | 35.6 | 35.7 | 32.7 | 27.1 | 23.8 | 22.3
 |  |  |  |  |  |  | 35 | 山口県 |  | 59.9 | 60.1 | 58.5 | 58.6 | 55.5 | 48.9 | 38.3 | 34 | 34.2 | 33.8 | 31.6 | 26.7 | 23.6 | 21.9
 |  |  |  |  |  |  | 36 | 徳島県 |  | 66.7 | 67.3 | 69.3 | 63.7 | 59.8 | 54.1 | 41.6 | 34.6 | 32.8 | 31.8 | 30.7 | 27.2 | 24.4 | 22.3
 |  |  |  |  |  |  | 37 | 香川県 |  | 70.5 | 66.8 | 65.6 | 60.1 | 55.6 | 48.5 | 36.3 | 32.4 | 33.1 | 33.8 | 31.9 | 27.1 | 23.8 | 22.5
 |  |  |  |  |  |  | 38 | 愛媛県 |  | 66.7 | 68 | 68.5 | 64 | 60.8 | 54.4 | 42.2 | 36.4 | 35.5 | 34.5 | 32.4 | 28.1 | 25 | 23
 |  |  |  |  |  |  | 39 | 高知県 |  | 58.2 | 60.3 | 58.7 | 55.2 | 53.3 | 47.9 | 37.7 | 32.8 | 32.3 | 31.7 | 30.8 | 26.9 | 24.1 | 22
 |  |  |  |  |  |  | 40 | 福岡県 |  | 58.5 | 60.1 | 58.9 | 58.8 | 56.3 | 49.5 | 38.8 | 33.8 | 34.2 | 34.2 | 32.2 | 27.7 | 24.1 | 21.9
 |  |  |  |  |  |  | 41 | [NAME] |  | 65.2 | 66.1 | 65.8 | 62.2 | 60.8 | 58.2 | 47.9 | 39.3 | 37.1 | 35.7 | 34.4 | 31.3 | 28.3 | 26
 |  |  |  |  |  |  | 42 | 長崎県 |  | 60 | 64.4 | 64.1 | 62.9 | 64 | 62.7 | 52.7 | 43.8 | 39.6 | 37.2 | 34.8 | 31.2 | 27.9 | 25.4
 |  |  |  |  |  |  | 43 | 熊本県 |  | 62.3 | 65.9 | 66.8 | 62.5 | 60.2 | 57.3 | 47.2 | 38.7 | 35 | 33.3 | 32.2 | 29.7 | 26.9 | 24.6
 |  |  |  |  |  |  | 44 | 大分県 |  | 61.1 | 64 | 65.5 | 62 | 59 | 54.3 | 43.4 | 36.5 | 34.8 | 34.2 | 32.5 | 28.5 | 25.1 | 23.2
 |  |  |  |  |  |  | 45 | 宮崎県 |  | 64.8 | 68.7 | 70.9 | 66.3 | 64.4 | 61.4 | 50.1 | 40.7 | 37.1 | 36.2 | 35.3 | 31.5 | 27.7 | 25.3
 |  |  |  |  |  |  | 46 | 鹿児島県 |  | 71 | 73.5 | 74.6 | 66.4 | 65.1 | 65.1 | 53.9 | 43.2 | 36.8 | 34.5 | 33.6 | 31.4 | 28.6 | 25.5
 |  |  |  |  |  |  | 47 | [NAME] |  | 64.2 | 72 | 77.7 | 70.2 | 74.3 | 78.7 | 70.3 | 59.5 | 50.9 | 46.9 | 42.8 | 37.8 | 33.4 | 30.7
 |  |  |  |  | For the identification codes and names of prefectures, see “Reference 5”.