南アフリカとザンビアの年齢中央値
2023 年の年齢中央値は、南アフリカが 28.2 年、ザンビアが 17.5 年 です（UN の推定値）。 2023 年の値は南アフリカのほうが 10.7 年 高く、ザンビアの 1.61 倍でした。
南アフリカザンビア
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 |
|---|---|---|---|---|
| 南アフリカ | 28.2 2023 | 24.7 | 229 か国中 139 位 | 38.3 2100 |
| ザンビア | 17.5 2023 | 15.9 | 229 か国中 215 位 | 34.4 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南アフリカ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）南アフリカが 139 位、ザンビアが 215 位でした。
- 国連予測（中位推計）では、2100 年に南アフリカが 38.3 年、ザンビアが 34.4 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 | 南アフリカ | ザンビア | 世界 |
|---|---|---|---|
| 2023 | 28.2 | 17.5 | 30.4 |
| 2022 | 27.9 | 17.3 | 30.1 |
| 2021 | 27.6 | 17.1 | 29.8 |
| 2020 | 27.3 | 16.9 | 29.6 |
| 2019 | 26.9 | 16.8 | 29.3 |
| 2018 | 26.5 | 16.6 | 29 |
| 2017 | 26.1 | 16.4 | 28.8 |
| 2016 | 25.7 | 16.3 | 28.5 |
| 2015 | 25.4 | 16.1 | 28.3 |
| 2014 | 25 | 16 | 28.1 |
| 2013 | 24.7 | 15.9 | 27.8 |
| 2012 | 24.3 | 15.8 | 27.6 |
| 2011 | 24 | 15.7 | 27.4 |
| 2010 | 23.6 | 15.6 | 27.2 |
| 2009 | 23.3 | 15.5 | 27 |
| 2008 | 23 | 15.5 | 26.7 |
| 2007 | 22.7 | 15.4 | 26.5 |
| 2006 | 22.4 | 15.3 | 26.3 |
| 2005 | 22.1 | 15.2 | 26.1 |
| 2004 | 21.9 | 15.1 | 25.9 |
| 2003 | 21.6 | 15.1 | 25.7 |
| 2002 | 21.3 | 15 | 25.5 |
| 2001 | 21.1 | 14.9 | 25.3 |
| 2000 | 20.8 | 14.8 | 25.1 |
| 1999 | 20.6 | 14.8 | 24.9 |
| 1998 | 20.3 | 14.7 | 24.7 |
| 1997 | 20.1 | 14.7 | 24.4 |
| 1996 | 20.2 | 14.7 | 24.2 |
| 1995 | 20.5 | 14.7 | 24 |
| 1994 | 20.9 | 14.7 | 23.8 |
| 1993 | 20.9 | 14.7 | 23.5 |
| 1992 | 20.5 | 14.7 | 23.3 |
| 1991 | 20.5 | 14.7 | 23.1 |
| 1990 | 20.3 | 14.6 | 22.9 |
| 1989 | 20 | 14.6 | 22.8 |
| 1988 | 19.8 | 14.6 | 22.6 |
| 1987 | 19.7 | 14.5 | 22.4 |
| 1986 | 19.5 | 14.5 | 22.2 |
| 1985 | 19.4 | 14.4 | 22 |
| 1984 | 19.2 | 14.4 | 21.9 |
| 1983 | 19 | 14.4 | 21.8 |
| 1982 | 18.8 | 14.3 | 21.7 |
| 1981 | 18.6 | 14.2 | 21.6 |
| 1980 | 18.4 | 14.2 | 21.5 |
| 1979 | 18.2 | 14.2 | 21.3 |
| 1978 | 18.1 | 14.3 | 21.1 |
| 1977 | 18 | 14.3 | 21 |
| 1976 | 17.9 | 14.4 | 20.8 |
| 1975 | 17.9 | 14.5 | 20.7 |
| 1974 | 17.8 | 14.6 | 20.5 |
| 1973 | 17.8 | 14.7 | 20.4 |
| 1972 | 17.7 | 14.9 | 20.4 |
| 1971 | 17.7 | 15 | 20.3 |
| 1970 | 17.7 | 15.2 | 20.3 |
| 1969 | 17.7 | 15.3 | 20.3 |
| 1968 | 17.8 | 15.3 | 20.4 |
| 1967 | 17.8 | 15.3 | 20.5 |
| 1966 | 17.8 | 15.4 | 20.6 |
| 1965 | 17.8 | 15.5 | 20.8 |
| 1964 | 17.8 | 15.6 | 21 |
| 1963 | 17.8 | 15.7 | 21.2 |
| 1962 | 17.8 | 15.7 | 21.4 |
| 1961 | 17.9 | 15.8 | 21.4 |
| 1960 | 17.9 | 15.9 | 21.5 |
| 1959 | 18 | 16 | 21.5 |
| 1958 | 18.1 | 16 | 21.5 |
| 1957 | 18.3 | 16.1 | 21.6 |
| 1956 | 18.4 | 16.2 | 21.7 |
| 1955 | 18.6 | 16.2 | 21.8 |
| 1954 | 18.7 | 16.3 | 21.9 |
| 1953 | 18.9 | 16.3 | 22 |
| 1952 | 19 | 16.4 | 22.1 |
| 1951 | 19.1 | 16.4 | 22.1 |
| 1950 | 19.2 | 16.4 | 22.2 |
国連予測（中位推計） · 2024–2100
| 年 | 南アフリカ | ザンビア | 世界 |
|---|---|---|---|
| 2024 | 28.528.3–28.6 | 17.717.6–17.8 | 30.6 |
| 2025 | 28.728.3–29 | 17.917.7–18.2 | 30.9 |
| 2026 | 28.928.3–29.4 | 18.217.8–18.6 | 31.1 |
| 2027 | 29.128.2–29.8 | 18.418–19 | 31.3 |
| 2028 | 29.328.2–30.1 | 18.618.1–19.4 | 31.6 |
| 2029 | 29.528.1–30.5 | 18.918.2–19.8 | 31.8 |
| 2030 | 29.628.1–30.8 | 19.118.3–20.2 | 32 |
| 2031 | 29.728–31.2 | 19.318.4–20.6 | 32.2 |
| 2032 | 29.927.9–31.5 | 19.618.5–21.1 | 32.4 |
| 2033 | 3027.9–31.8 | 19.818.6–21.5 | 32.6 |
| 2034 | 30.128–32.1 | 2018.7–21.9 | 32.8 |
| 2035 | 30.228.1–32.3 | 20.318.7–22.3 | 33 |
| 2036 | 30.328.1–32.5 | 20.518.8–22.8 | 33.2 |
| 2037 | 30.528.3–32.8 | 20.718.8–23.2 | 33.4 |
| 2038 | 30.628.4–33 | 20.918.9–23.7 | 33.6 |
| 2039 | 30.828.4–33.2 | 21.118.9–24.1 | 33.8 |
| 2040 | 3128.5–33.5 | 21.419–24.5 | 34 |
| 2041 | 31.228.6–33.8 | 21.619–25 | 34.2 |
| 2042 | 31.328.6–34.1 | 21.819–25.4 | 34.4 |
| 2043 | 31.528.7–34.4 | 2219–25.9 | 34.6 |
| 2044 | 31.628.7–34.6 | 22.219.1–26.3 | 34.8 |
| 2045 | 31.828.7–34.9 | 22.519.3–26.7 | 35 |
| 2046 | 31.928.7–35.1 | 22.719.4–27.2 | 35.2 |
| 2047 | 3228.8–35.3 | 22.919.6–27.6 | 35.4 |
| 2048 | 32.128.8–35.5 | 23.119.7–28 | 35.6 |
| 2049 | 32.228.9–35.7 | 23.419.9–28.4 | 35.9 |
| 2050 | 32.329–35.9 | 23.620–28.8 | 36.1 |
| 2051 | 32.429.1–36.1 | 23.820.1–29.3 | 36.3 |
| 2052 | 32.629.2–36.3 | 24.120.3–29.7 | 36.5 |
| 2053 | 32.729.3–36.5 | 24.320.4–30.1 | 36.7 |
| 2054 | 32.929.4–36.6 | 24.520.5–30.5 | 36.9 |
| 2055 | 33.129.6–36.9 | 24.720.6–30.9 | 37.1 |
| 2056 | 33.329.7–37.1 | 2520.8–31.2 | 37.3 |
| 2057 | 33.529.8–37.3 | 25.220.9–31.6 | 37.5 |
| 2058 | 33.630–37.6 | 25.421–31.9 | 37.6 |
| 2059 | 33.830.1–37.9 | 25.721.1–32.2 | 37.8 |
| 2060 | 3430.2–38.2 | 25.921.1–32.5 | 37.9 |
| 2061 | 34.130.3–38.5 | 26.121.2–32.7 | 38 |
| 2062 | 34.230.5–38.7 | 26.421.3–33 | 38.1 |
| 2063 | 34.430.6–39 | 26.621.4–33.3 | 38.3 |
| 2064 | 34.530.7–39.2 | 26.821.5–33.5 | 38.4 |
| 2065 | 34.630.8–39.4 | 27.121.6–33.8 | 38.5 |
| 2066 | 34.830.9–39.6 | 27.321.6–34.1 | 38.6 |
| 2067 | 34.931–39.7 | 27.521.7–34.3 | 38.7 |
| 2068 | 3531.1–39.8 | 27.721.8–34.6 | 38.8 |
| 2069 | 35.131.2–39.9 | 27.921.9–34.9 | 38.9 |
| 2070 | 35.231.3–40 | 28.222–35.1 | 39 |
| 2071 | 35.331.4–40.1 | 28.422.1–35.3 | 39.1 |
| 2072 | 35.431.5–40.2 | 28.622.3–35.6 | 39.2 |
| 2073 | 35.531.5–40.3 | 28.822.3–35.8 | 39.3 |
| 2074 | 35.631.6–40.4 | 2922.4–36.1 | 39.4 |
| 2075 | 35.731.7–40.5 | 29.222.5–36.3 | 39.5 |
| 2076 | 35.831.8–40.7 | 29.522.6–36.5 | 39.6 |
| 2077 | 35.931.9–40.7 | 29.722.8–36.7 | 39.7 |
| 2078 | 3632–40.8 | 29.922.9–37 | 39.8 |
| 2079 | 36.132.1–40.9 | 30.123–37.2 | 40 |
| 2080 | 36.232.2–41 | 30.323.1–37.4 | 40.1 |
| 2081 | 36.332.4–41.1 | 30.523.2–37.6 | 40.2 |
| 2082 | 36.432.5–41.2 | 30.723.3–37.7 | 40.3 |
| 2083 | 36.532.6–41.2 | 30.923.3–37.9 | 40.4 |
| 2084 | 36.632.6–41.3 | 31.123.4–38 | 40.5 |
| 2085 | 36.732.7–41.4 | 31.323.5–38.2 | 40.6 |
| 2086 | 36.832.9–41.6 | 31.523.6–38.3 | 40.7 |
| 2087 | 36.933–41.7 | 31.723.7–38.4 | 40.9 |
| 2088 | 37.133.1–41.9 | 3223.8–38.5 | 41 |
| 2089 | 37.233.2–42 | 32.223.9–38.7 | 41.1 |
| 2090 | 37.333.3–42.2 | 32.424–38.8 | 41.2 |
| 2091 | 37.433.4–42.3 | 32.624.2–39 | 41.3 |
| 2092 | 37.533.5–42.4 | 32.824.3–39.1 | 41.4 |
| 2093 | 37.633.5–42.6 | 3324.4–39.3 | 41.5 |
| 2094 | 37.733.6–42.7 | 33.224.5–39.4 | 41.6 |
| 2095 | 37.833.7–42.8 | 33.424.6–39.5 | 41.7 |
| 2096 | 37.933.8–43 | 33.624.7–39.6 | 41.8 |
| 2097 | 3833.9–43.1 | 33.824.8–39.7 | 41.9 |
| 2098 | 38.134–43.2 | 3424.9–39.8 | 42 |
| 2099 | 38.234.1–43.3 | 34.225–39.9 | 42 |
| 2100 | 38.334.1–43.4 | 34.425.1–40 | 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