ベナンとギニアの年齢中央値
2023 年の年齢中央値は、ベナンが 17.8 年、ギニアが 18 年 です（UN の推定値）。 2023 年の値はギニアのほうが 0.2 年 高く、ベナンの 1.01 倍でした。
ベナンギニア
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 |
|---|---|---|---|---|
| ベナン | 17.8 2023 | 16.9 | 229 か国中 211 位 | 33 2100 |
| ギニア | 18 2023 | 16.6 | 229 か国中 208 位 | 35.3 2100 |
| 世界 | 30.4 2023 | 27.8 | 42.1 2100 |
数字からわかること
- 2018 年にベナンを上回って以来、ギニア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）ベナンが 211 位、ギニアが 208 位でした。
- 国連予測（中位推計）では、2100 年にベナンが 33 年、ギニアが 35.3 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 | ベナン | ギニア | 世界 |
|---|---|---|---|
| 2023 | 17.8 | 18 | 30.4 |
| 2022 | 17.7 | 17.8 | 30.1 |
| 2021 | 17.5 | 17.7 | 29.8 |
| 2020 | 17.4 | 17.6 | 29.6 |
| 2019 | 17.3 | 17.4 | 29.3 |
| 2018 | 17.3 | 17.3 | 29 |
| 2017 | 17.2 | 17.2 | 28.8 |
| 2016 | 17.1 | 17 | 28.5 |
| 2015 | 17.1 | 16.9 | 28.3 |
| 2014 | 17 | 16.8 | 28.1 |
| 2013 | 16.9 | 16.6 | 27.8 |
| 2012 | 16.9 | 16.5 | 27.6 |
| 2011 | 16.8 | 16.4 | 27.4 |
| 2010 | 16.7 | 16.3 | 27.2 |
| 2009 | 16.7 | 16.2 | 27 |
| 2008 | 16.6 | 16.1 | 26.7 |
| 2007 | 16.5 | 16.1 | 26.5 |
| 2006 | 16.5 | 16 | 26.3 |
| 2005 | 16.4 | 16 | 26.1 |
| 2004 | 16.3 | 16 | 25.9 |
| 2003 | 16.3 | 16 | 25.7 |
| 2002 | 16.2 | 16 | 25.5 |
| 2001 | 16.1 | 16.2 | 25.3 |
| 2000 | 16 | 16.4 | 25.1 |
| 1999 | 15.9 | 16.5 | 24.9 |
| 1998 | 15.9 | 16.6 | 24.7 |
| 1997 | 15.8 | 16.8 | 24.4 |
| 1996 | 15.8 | 16.9 | 24.2 |
| 1995 | 15.9 | 17 | 24 |
| 1994 | 16.1 | 17 | 23.8 |
| 1993 | 16 | 17.1 | 23.5 |
| 1992 | 15.8 | 17.1 | 23.3 |
| 1991 | 15.8 | 17.2 | 23.1 |
| 1990 | 15.8 | 17.2 | 22.9 |
| 1989 | 15.8 | 17.2 | 22.8 |
| 1988 | 15.8 | 17.3 | 22.6 |
| 1987 | 15.8 | 17.3 | 22.4 |
| 1986 | 15.9 | 17.3 | 22.2 |
| 1985 | 15.9 | 17.4 | 22 |
| 1984 | 16 | 17.4 | 21.9 |
| 1983 | 16 | 17.5 | 21.8 |
| 1982 | 16.1 | 17.5 | 21.7 |
| 1981 | 16.2 | 17.6 | 21.6 |
| 1980 | 16.2 | 17.7 | 21.5 |
| 1979 | 16.3 | 17.8 | 21.3 |
| 1978 | 16.4 | 18 | 21.1 |
| 1977 | 16.4 | 18.1 | 21 |
| 1976 | 16.6 | 18.3 | 20.8 |
| 1975 | 16.7 | 18.4 | 20.7 |
| 1974 | 16.8 | 18.5 | 20.5 |
| 1973 | 17 | 18.6 | 20.4 |
| 1972 | 17.2 | 18.7 | 20.4 |
| 1971 | 17.4 | 18.8 | 20.3 |
| 1970 | 17.6 | 18.9 | 20.3 |
| 1969 | 17.8 | 19 | 20.3 |
| 1968 | 18 | 19 | 20.4 |
| 1967 | 18.2 | 19.1 | 20.5 |
| 1966 | 18.4 | 19.1 | 20.6 |
| 1965 | 18.7 | 19.2 | 20.8 |
| 1964 | 18.9 | 19.3 | 21 |
| 1963 | 19.1 | 19.3 | 21.2 |
| 1962 | 19.3 | 19.4 | 21.4 |
| 1961 | 19.5 | 19.5 | 21.4 |
| 1960 | 19.8 | 19.6 | 21.5 |
| 1959 | 20 | 19.7 | 21.5 |
| 1958 | 20.3 | 19.8 | 21.5 |
| 1957 | 20.6 | 19.8 | 21.6 |
| 1956 | 20.9 | 19.9 | 21.7 |
| 1955 | 21.2 | 20 | 21.8 |
| 1954 | 21.5 | 20.1 | 21.9 |
| 1953 | 21.8 | 20.2 | 22 |
| 1952 | 22.2 | 20.3 | 22.1 |
| 1951 | 22.5 | 20.3 | 22.1 |
| 1950 | 22.8 | 20.4 | 22.2 |
国連予測（中位推計） · 2024–2100
| 年 | ベナン | ギニア | 世界 |
|---|---|---|---|
| 2024 | 17.917.9–17.9 | 18.118.1–18.2 | 30.6 |
| 2025 | 18.118–18.2 | 18.318.2–18.5 | 30.9 |
| 2026 | 18.218–18.4 | 18.518.3–18.7 | 31.1 |
| 2027 | 18.418.1–18.7 | 18.718.4–19 | 31.3 |
| 2028 | 18.518.2–19 | 18.918.5–19.4 | 31.6 |
| 2029 | 18.718.2–19.4 | 1918.6–19.7 | 31.8 |
| 2030 | 18.918.3–19.7 | 19.318.7–20.1 | 32 |
| 2031 | 1918.3–20.1 | 19.518.8–20.5 | 32.2 |
| 2032 | 19.218.4–20.5 | 19.718.9–20.9 | 32.4 |
| 2033 | 19.418.5–20.9 | 19.919–21.3 | 32.6 |
| 2034 | 19.718.5–21.3 | 20.119–21.7 | 32.8 |
| 2035 | 19.918.6–21.7 | 20.419.1–22.1 | 33 |
| 2036 | 20.118.6–22.1 | 20.619.2–22.6 | 33.2 |
| 2037 | 20.318.7–22.6 | 20.819.3–23 | 33.4 |
| 2038 | 20.518.7–23 | 21.119.4–23.5 | 33.6 |
| 2039 | 20.718.8–23.5 | 21.319.5–23.9 | 33.8 |
| 2040 | 2118.8–23.9 | 21.619.5–24.4 | 34 |
| 2041 | 21.218.8–24.4 | 21.819.6–24.9 | 34.2 |
| 2042 | 21.418.8–24.8 | 22.119.7–25.3 | 34.4 |
| 2043 | 21.618.8–25.3 | 22.419.8–25.8 | 34.6 |
| 2044 | 21.818.9–25.7 | 22.619.8–26.2 | 34.8 |
| 2045 | 2219–26.2 | 22.919.9–26.7 | 35 |
| 2046 | 22.219.1–26.6 | 23.220–27.1 | 35.2 |
| 2047 | 22.419.2–27 | 23.420.2–27.6 | 35.4 |
| 2048 | 22.619.3–27.5 | 23.720.3–28 | 35.6 |
| 2049 | 22.819.4–27.9 | 2420.4–28.4 | 35.9 |
| 2050 | 2319.5–28.3 | 24.220.6–28.9 | 36.1 |
| 2051 | 23.219.7–28.8 | 24.520.7–29.4 | 36.3 |
| 2052 | 23.419.8–29.2 | 24.820.8–29.8 | 36.5 |
| 2053 | 23.619.9–29.7 | 25.121–30.3 | 36.7 |
| 2054 | 23.820–30.1 | 25.321.1–30.7 | 36.9 |
| 2055 | 2420.2–30.6 | 25.621.3–31.2 | 37.1 |
| 2056 | 24.220.3–31 | 25.921.4–31.6 | 37.3 |
| 2057 | 24.420.4–31.5 | 26.121.5–32.1 | 37.5 |
| 2058 | 24.620.5–31.9 | 26.421.6–32.4 | 37.6 |
| 2059 | 24.920.7–32.3 | 26.621.8–32.8 | 37.8 |
| 2060 | 25.120.8–32.7 | 26.921.9–33.1 | 37.9 |
| 2061 | 25.320.9–33.1 | 27.222–33.5 | 38 |
| 2062 | 25.521.1–33.4 | 27.422.1–33.8 | 38.1 |
| 2063 | 25.721.2–33.8 | 27.722.2–34.1 | 38.3 |
| 2064 | 25.921.3–34.2 | 27.922.3–34.5 | 38.4 |
| 2065 | 26.221.4–34.5 | 28.222.4–34.8 | 38.5 |
| 2066 | 26.421.5–34.8 | 28.422.5–35.1 | 38.6 |
| 2067 | 26.621.7–35.1 | 28.622.6–35.3 | 38.7 |
| 2068 | 26.821.7–35.4 | 28.922.7–35.6 | 38.8 |
| 2069 | 2721.8–35.7 | 29.122.8–35.8 | 38.9 |
| 2070 | 27.221.9–36 | 29.422.9–36.1 | 39 |
| 2071 | 27.422–36.3 | 29.623–36.3 | 39.1 |
| 2072 | 27.722.1–36.5 | 29.823.1–36.5 | 39.2 |
| 2073 | 27.922.1–36.8 | 30.123.2–36.7 | 39.3 |
| 2074 | 28.122.2–37.1 | 30.323.3–36.9 | 39.4 |
| 2075 | 28.322.3–37.3 | 30.523.4–37.1 | 39.5 |
| 2076 | 28.522.4–37.5 | 30.723.5–37.3 | 39.6 |
| 2077 | 28.722.5–37.7 | 3123.6–37.4 | 39.7 |
| 2078 | 28.922.6–38 | 31.223.6–37.6 | 39.8 |
| 2079 | 29.122.8–38.2 | 31.423.7–37.8 | 40 |
| 2080 | 29.322.9–38.4 | 31.623.8–37.9 | 40.1 |
| 2081 | 29.523–38.6 | 31.823.9–38.1 | 40.2 |
| 2082 | 29.723–38.8 | 3224–38.3 | 40.3 |
| 2083 | 29.923.1–39 | 32.224.1–38.4 | 40.4 |
| 2084 | 30.123.2–39.1 | 32.424.2–38.6 | 40.5 |
| 2085 | 30.323.3–39.3 | 32.624.3–38.7 | 40.6 |
| 2086 | 30.523.4–39.4 | 32.824.3–38.8 | 40.7 |
| 2087 | 30.723.5–39.6 | 3324.5–39 | 40.9 |
| 2088 | 30.923.6–39.8 | 33.224.5–39.1 | 41 |
| 2089 | 31.123.7–39.9 | 33.424.6–39.2 | 41.1 |
| 2090 | 31.223.8–40 | 33.624.7–39.3 | 41.2 |
| 2091 | 31.424–40.1 | 33.824.8–39.4 | 41.3 |
| 2092 | 31.624.1–40.2 | 3424.9–39.5 | 41.4 |
| 2093 | 31.824.2–40.3 | 34.225–39.6 | 41.5 |
| 2094 | 31.924.3–40.4 | 34.325.1–39.7 | 41.6 |
| 2095 | 32.124.4–40.4 | 34.525.2–39.7 | 41.7 |
| 2096 | 32.324.6–40.4 | 34.725.3–39.8 | 41.8 |
| 2097 | 32.424.7–40.3 | 34.825.5–39.9 | 41.9 |
| 2098 | 32.624.8–40.3 | 3525.6–40 | 42 |
| 2099 | 32.824.9–40.3 | 35.225.7–40 | 42 |
| 2100 | 3325–40.2 | 35.325.8–40 | 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