インドネシアと日本の年齢中央値
2023 年の年齢中央値は、インドネシアが 29.8 年、日本が 49 年 です（UN の推定値）。 2023 年の値は日本のほうが 19.1 年 高く、インドネシアの 1.64 倍でした。
インドネシア日本
地図で推移を見る最新の数値
年 · UN
| 国 | 最新 | 10年前 | 2023年の順位 | 予測値 |
|---|---|---|---|---|
| インドネシア | 29.8 2023 | 27.4 | 229 か国中 124 位 | 45 2100 |
| 日本 | 49 2023 | 45.1 | 229 か国中 4 位 | 53 2100 |
| 世界 | 30.4 2023 | 27.8 | 42.1 2100 |
数字からわかること
- 1950 年以降、両国ともデータのあるすべての年で日本のほうが高くなっています。
- 2023 年の順位は、229 か国中（高い順）インドネシアが 124 位、日本が 4 位でした。
- 国連予測（中位推計）では、2100 年にインドネシアが 45 年、日本が 53 年 とされています。
- 世界全体：30.4 年（2023 年）。
年ごとの値
年 · UN
| 年 | インドネシア | 日本 | 世界 |
|---|---|---|---|
| 2023 | 29.8 | 49 | 30.4 |
| 2022 | 29.6 | 48.6 | 30.1 |
| 2021 | 29.3 | 48.1 | 29.8 |
| 2020 | 29.1 | 47.7 | 29.6 |
| 2019 | 28.9 | 47.3 | 29.3 |
| 2018 | 28.6 | 46.9 | 29 |
| 2017 | 28.4 | 46.5 | 28.8 |
| 2016 | 28.1 | 46.2 | 28.5 |
| 2015 | 27.9 | 45.8 | 28.3 |
| 2014 | 27.6 | 45.5 | 28.1 |
| 2013 | 27.4 | 45.1 | 27.8 |
| 2012 | 27.1 | 44.8 | 27.6 |
| 2011 | 26.9 | 44.5 | 27.4 |
| 2010 | 26.6 | 44.2 | 27.2 |
| 2009 | 26.3 | 43.9 | 27 |
| 2008 | 26 | 43.5 | 26.7 |
| 2007 | 25.7 | 43.2 | 26.5 |
| 2006 | 25.5 | 42.9 | 26.3 |
| 2005 | 25.2 | 42.6 | 26.1 |
| 2004 | 24.9 | 42.2 | 25.9 |
| 2003 | 24.5 | 41.8 | 25.7 |
| 2002 | 24.2 | 41.5 | 25.5 |
| 2001 | 23.9 | 41.1 | 25.3 |
| 2000 | 23.6 | 40.8 | 25.1 |
| 1999 | 23.3 | 40.4 | 24.9 |
| 1998 | 23 | 40.1 | 24.7 |
| 1997 | 22.7 | 39.7 | 24.4 |
| 1996 | 22.4 | 39.4 | 24.2 |
| 1995 | 22.1 | 39 | 24 |
| 1994 | 21.8 | 38.6 | 23.8 |
| 1993 | 21.5 | 38.2 | 23.5 |
| 1992 | 21.2 | 37.8 | 23.3 |
| 1991 | 20.9 | 37.3 | 23.1 |
| 1990 | 20.7 | 36.9 | 22.9 |
| 1989 | 20.4 | 36.4 | 22.8 |
| 1988 | 20.1 | 36 | 22.6 |
| 1987 | 19.8 | 35.5 | 22.4 |
| 1986 | 19.5 | 35 | 22.2 |
| 1985 | 19.3 | 34.5 | 22 |
| 1984 | 19.1 | 33.9 | 21.9 |
| 1983 | 18.9 | 33.4 | 21.8 |
| 1982 | 18.7 | 32.8 | 21.7 |
| 1981 | 18.5 | 32.3 | 21.6 |
| 1980 | 18.4 | 31.7 | 21.5 |
| 1979 | 18.2 | 31.2 | 21.3 |
| 1978 | 18.1 | 30.7 | 21.1 |
| 1977 | 18 | 30.2 | 21 |
| 1976 | 17.9 | 29.9 | 20.8 |
| 1975 | 17.8 | 29.7 | 20.7 |
| 1974 | 17.8 | 29.4 | 20.5 |
| 1973 | 17.7 | 29.2 | 20.4 |
| 1972 | 17.7 | 28.9 | 20.4 |
| 1971 | 17.8 | 28.6 | 20.3 |
| 1970 | 17.9 | 28.3 | 20.3 |
| 1969 | 18 | 27.9 | 20.3 |
| 1968 | 18.2 | 27.5 | 20.4 |
| 1967 | 18.4 | 27.2 | 20.5 |
| 1966 | 18.6 | 26.9 | 20.6 |
| 1965 | 18.8 | 26.6 | 20.8 |
| 1964 | 18.9 | 26.3 | 21 |
| 1963 | 19 | 25.9 | 21.2 |
| 1962 | 19.1 | 25.5 | 21.4 |
| 1961 | 19.1 | 25.1 | 21.4 |
| 1960 | 19.1 | 24.7 | 21.5 |
| 1959 | 19.1 | 24.3 | 21.5 |
| 1958 | 19.1 | 23.9 | 21.5 |
| 1957 | 19 | 23.5 | 21.6 |
| 1956 | 18.9 | 23.1 | 21.7 |
| 1955 | 18.8 | 22.7 | 21.8 |
| 1954 | 18.6 | 22.4 | 21.9 |
| 1953 | 18.5 | 22 | 22 |
| 1952 | 18.3 | 21.7 | 22.1 |
| 1951 | 18.1 | 21.5 | 22.1 |
| 1950 | 17.9 | 21.3 | 22.2 |
国連予測（中位推計） · 2024–2100
| 年 | インドネシア | 日本 | 世界 |
|---|---|---|---|
| 2024 | 30.130.1–30.2 | 49.449.4–49.4 | 30.6 |
| 2025 | 30.430.3–30.5 | 49.849.7–49.8 | 30.9 |
| 2026 | 30.730.4–30.9 | 50.250.1–50.3 | 31.1 |
| 2027 | 30.930.6–31.3 | 50.550.4–50.7 | 31.3 |
| 2028 | 31.230.8–31.7 | 50.950.7–51.1 | 31.6 |
| 2029 | 31.531–32.1 | 51.250.9–51.4 | 31.8 |
| 2030 | 31.831.2–32.5 | 51.551.2–51.8 | 32 |
| 2031 | 32.131.4–32.9 | 51.851.4–52.1 | 32.2 |
| 2032 | 32.431.5–33.3 | 5251.6–52.4 | 32.4 |
| 2033 | 32.631.7–33.7 | 52.251.7–52.7 | 32.6 |
| 2034 | 32.931.8–34.1 | 52.451.8–52.9 | 32.8 |
| 2035 | 33.132–34.5 | 52.551.9–53.2 | 33 |
| 2036 | 33.332.1–34.8 | 52.751.9–53.4 | 33.2 |
| 2037 | 33.632.3–35.2 | 52.852–53.6 | 33.4 |
| 2038 | 33.832.4–35.5 | 52.952–53.8 | 33.6 |
| 2039 | 3432.5–35.9 | 5351.9–54 | 33.8 |
| 2040 | 34.332.7–36.2 | 53.151.9–54.2 | 34 |
| 2041 | 34.532.9–36.6 | 53.151.8–54.4 | 34.2 |
| 2042 | 34.833–36.9 | 53.151.7–54.6 | 34.4 |
| 2043 | 3533.2–37.3 | 53.151.5–54.7 | 34.6 |
| 2044 | 35.333.4–37.6 | 53.151.3–54.9 | 34.8 |
| 2045 | 35.533.6–37.9 | 5351.1–55 | 35 |
| 2046 | 35.833.8–38.3 | 5351–55.1 | 35.2 |
| 2047 | 3634–38.6 | 52.950.8–55.2 | 35.4 |
| 2048 | 36.334.2–39 | 52.850.6–55.3 | 35.6 |
| 2049 | 36.634.4–39.3 | 52.850.5–55.3 | 35.9 |
| 2050 | 36.834.5–39.6 | 52.850.4–55.4 | 36.1 |
| 2051 | 37.134.7–40 | 52.750.2–55.5 | 36.3 |
| 2052 | 37.434.8–40.3 | 52.750.2–55.6 | 36.5 |
| 2053 | 37.634.9–40.7 | 52.750.1–55.7 | 36.7 |
| 2054 | 37.935–41 | 52.750.1–55.8 | 36.9 |
| 2055 | 38.135.1–41.4 | 52.850.1–55.9 | 37.1 |
| 2056 | 38.335.2–41.7 | 52.850.1–56 | 37.3 |
| 2057 | 38.535.3–42.1 | 52.950.1–56.2 | 37.5 |
| 2058 | 38.735.3–42.4 | 5350.2–56.3 | 37.6 |
| 2059 | 38.935.4–42.8 | 5350.3–56.5 | 37.8 |
| 2060 | 39.135.5–43.1 | 53.150.4–56.6 | 37.9 |
| 2061 | 39.335.6–43.4 | 53.250.4–56.8 | 38 |
| 2062 | 39.435.8–43.7 | 53.350.5–57 | 38.1 |
| 2063 | 39.635.9–44 | 53.350.6–57.1 | 38.3 |
| 2064 | 39.836.1–44.3 | 53.450.6–57.2 | 38.4 |
| 2065 | 39.936.2–44.6 | 53.550.6–57.3 | 38.5 |
| 2066 | 40.136.4–44.9 | 53.550.6–57.5 | 38.6 |
| 2067 | 40.336.5–45.2 | 53.550.6–57.6 | 38.7 |
| 2068 | 40.436.6–45.5 | 53.650.5–57.7 | 38.8 |
| 2069 | 40.636.8–45.8 | 53.650.4–57.9 | 38.9 |
| 2070 | 40.736.9–46.2 | 53.650.3–58 | 39 |
| 2071 | 40.937.1–46.4 | 53.650.1–58.2 | 39.1 |
| 2072 | 4137.3–46.7 | 53.649.8–58.3 | 39.2 |
| 2073 | 41.237.4–46.8 | 53.549.6–58.5 | 39.3 |
| 2074 | 41.337.6–47 | 53.549.3–58.6 | 39.4 |
| 2075 | 41.537.7–47.1 | 53.449–58.8 | 39.5 |
| 2076 | 41.637.9–47.2 | 53.248.8–59 | 39.6 |
| 2077 | 41.838.1–47.4 | 53.148.6–59.1 | 39.7 |
| 2078 | 41.938.2–47.4 | 5348.4–59.2 | 39.8 |
| 2079 | 42.138.4–47.5 | 52.848.2–59.4 | 40 |
| 2080 | 42.238.5–47.6 | 52.748–59.5 | 40.1 |
| 2081 | 42.438.7–47.7 | 52.647.9–59.6 | 40.2 |
| 2082 | 42.638.8–47.8 | 52.547.8–59.6 | 40.3 |
| 2083 | 42.738.9–48 | 52.447.7–59.7 | 40.4 |
| 2084 | 42.939.1–48.1 | 52.447.7–59.7 | 40.5 |
| 2085 | 4339.2–48.2 | 52.347.7–59.8 | 40.6 |
| 2086 | 43.239.3–48.4 | 52.347.6–59.8 | 40.7 |
| 2087 | 43.339.4–48.5 | 52.347.6–59.8 | 40.9 |
| 2088 | 43.539.5–48.6 | 52.347.6–59.8 | 41 |
| 2089 | 43.639.6–48.8 | 52.347.7–59.8 | 41.1 |
| 2090 | 43.839.7–48.9 | 52.447.8–59.8 | 41.2 |
| 2091 | 43.939.8–49.1 | 52.447.8–59.8 | 41.3 |
| 2092 | 44.139.9–49.2 | 52.547.9–59.9 | 41.4 |
| 2093 | 44.239.9–49.4 | 52.548–59.9 | 41.5 |
| 2094 | 44.340–49.5 | 52.648.1–60 | 41.6 |
| 2095 | 44.440.1–49.7 | 52.748.1–60 | 41.7 |
| 2096 | 44.640.2–49.8 | 52.848.2–60.1 | 41.8 |
| 2097 | 44.740.2–49.9 | 52.848.3–60.2 | 41.9 |
| 2098 | 44.840.3–50 | 52.948.4–60.2 | 42 |
| 2099 | 44.940.4–50.2 | 52.948.4–60.3 | 42 |
| 2100 | 4540.5–50.3 | 5348.5–60.4 | 42.1 |
国ごとに見る
知っておきたいこと
- 人口の半数がこの年齢より上、半数が下になる年齢。
- 出典：UN DESA, World Population Prospects 2024。
- 破線は国連予測（中位推計）です。確定した見通しではなく、ひとつのシナリオです。帯はその95% 予測区間を示します。
- 順位は 2023 年に値のある 229 か国を対象に、高い順に数えています。
- 薄い線は、同じ出典による世界全体の値です。
各レイヤーの仕組み、データの出どころ、そこからはわからないこと： 国々の推移