Belgium vs Tanzania: Median age

Median age in 2023: 41.4 years in Belgium and 17.2 years in Tanzania, by UN estimates. In 2023 the value was higher in Belgium, by 24.2 years, or 2.4 times that in Tanzania.

Watch it change on the map

years · UN

BelgiumTanzaniaUN projection (medium variant)95% prediction intervalWorld

What the numbers say

Belgium has been higher in every year both have figures for since 1950.
In 2023, Belgium ranked 43 and Tanzania ranked 217 of 229 countries, counting from the highest.
The UN projection (medium variant) puts Belgium at 49 years and Tanzania at 32.3 years in 2100.
The world as a whole: 30.4 years in 2023.

Every year

years · UN

Year	Belgium	Tanzania	World
2023	41.4	17.2	30.4
2022	41.2	17.1	30.1
2021	40.9	17	29.8
2020	40.8	16.9	29.6
2019	40.7	16.8	29.3
2018	40.7	16.8	29
2017	40.6	16.7	28.8
2016	40.5	16.6	28.5
2015	40.4	16.4	28.3
2014	40.4	16.3	28.1
2013	40.2	16.2	27.8
2012	40.1	16.2	27.6
2011	39.9	16.1	27.4
2010	39.8	16.1	27.2
2009	39.8	16.1	27
2008	39.7	16.2	26.7
2007	39.6	16.2	26.5
2006	39.4	16.3	26.3
2005	39.2	16.3	26.1
2004	39	16.3	25.9
2003	38.7	16.4	25.7
2002	38.4	16.4	25.5
2001	38.2	16.4	25.3
2000	37.9	16.4	25.1
1999	37.6	16.3	24.9
1998	37.3	16.3	24.7
1997	37	16.2	24.4
1996	36.7	16.3	24.2
1995	36.5	16.3	24
1994	36.2	16.2	23.8
1993	35.9	15.9	23.5
1992	35.7	15.7	23.3
1991	35.5	15.6	23.1
1990	35.3	15.5	22.9
1989	35.1	15.5	22.8
1988	34.8	15.4	22.6
1987	34.6	15.3	22.4
1986	34.4	15.2	22.2
1985	34.2	15.2	22
1984	34	15.1	21.9
1983	33.8	15.1	21.8
1982	33.5	15.2	21.7
1981	33.3	15.3	21.6
1980	33.2	15.4	21.5
1979	33	15.5	21.3
1978	33	15.6	21.1
1977	33	15.7	21
1976	33	15.8	20.8
1975	33.2	15.8	20.7
1974	33.3	15.8	20.5
1973	33.3	15.9	20.4
1972	33.4	15.9	20.4
1971	33.4	15.9	20.3
1970	33.5	16	20.3
1969	33.6	16	20.3
1968	33.7	16.1	20.4
1967	33.7	16.1	20.5
1966	33.8	16.2	20.6
1965	33.8	16.3	20.8
1964	33.8	16.3	21
1963	33.9	16.3	21.2
1962	33.9	16.3	21.4
1961	33.9	16.3	21.4
1960	33.9	16.3	21.5
1959	33.9	16.3	21.5
1958	33.8	16.3	21.5
1957	33.8	16.3	21.6
1956	33.7	16.3	21.7
1955	33.6	16.3	21.8
1954	33.5	16.2	21.9
1953	33.6	16.2	22
1952	34.1	16.1	22.1
1951	34.5	16.1	22.1
1950	34.6	16	22.2

UN projection (medium variant) · 2024–2100

Year	Belgium	Tanzania	World
2024	41.740.9–42.5	17.417.4–17.4	30.6
2025	41.940.3–43.6	17.517.5–17.5	30.9
2026	42.140.3–43.9	17.617.6–17.7	31.1
2027	42.340.4–44.2	17.717.7–17.9	31.3
2028	42.640.5–44.5	17.917.7–18.1	31.6
2029	42.840.6–44.8	1817.8–18.3	31.8
2030	4340.6–45.1	18.117.8–18.5	32
2031	43.240.7–45.4	18.317.8–18.8	32.2
2032	43.440.7–45.8	18.417.9–19.1	32.4
2033	43.640.7–46.1	18.517.9–19.4	32.6
2034	43.840.7–46.5	18.718–19.7	32.8
2035	4440.7–46.8	18.918–20.1	33
2036	44.240.6–47.1	1918.1–20.4	33.2
2037	44.440.5–47.5	19.218.2–20.8	33.4
2038	44.640.4–47.8	19.418.3–21.1	33.6
2039	44.740.3–48.1	19.618.3–21.5	33.8
2040	44.940.3–48.5	19.818.3–21.9	34
2041	44.940.3–48.8	2018.4–22.3	34.2
2042	4540.3–49.1	20.218.4–22.7	34.4
2043	45.140.5–49.3	20.418.5–23.1	34.6
2044	45.140.6–49.6	20.618.6–23.5	34.8
2045	45.140.8–49.8	20.818.7–23.9	35
2046	45.141–50	2118.8–24.4	35.2
2047	45.241.3–50.2	21.218.9–24.8	35.4
2048	45.241.5–50.4	21.419–25.2	35.6
2049	45.241.7–50.6	21.619.2–25.6	35.9
2050	45.241.8–50.7	21.819.3–26.1	36.1
2051	45.342–50.8	2219.4–26.5	36.3
2052	45.442.1–50.8	22.219.5–26.9	36.5
2053	45.642.3–50.7	22.419.7–27.3	36.7
2054	45.742.4–50.4	22.619.8–27.7	36.9
2055	45.942.5–50.1	22.819.9–28.1	37.1
2056	4642.7–49.9	2320–28.4	37.3
2057	46.242.8–49.9	23.220.1–28.8	37.5
2058	46.442.9–50.1	23.420.2–29.2	37.6
2059	46.543–50.2	23.620.3–29.5	37.8
2060	46.743.1–50.4	23.820.4–29.9	37.9
2061	46.843.2–50.7	2420.5–30.2	38
2062	4743.3–50.9	24.220.6–30.5	38.1
2063	47.143.4–51.2	24.420.7–30.9	38.3
2064	47.343.5–51.5	24.620.8–31.2	38.4
2065	47.443.6–51.7	24.820.8–31.6	38.5
2066	47.543.6–52	25.120.9–31.9	38.6
2067	47.643.7–52.3	25.321–32.3	38.7
2068	47.743.7–52.5	25.521.1–32.7	38.8
2069	47.843.7–52.8	25.721.1–33	38.9
2070	47.943.6–53	25.921.2–33.3	39
2071	4843.6–53.2	26.121.3–33.7	39.1
2072	4843.6–53.4	26.321.4–34	39.2
2073	4843.6–53.6	26.521.5–34.3	39.3
2074	4843.6–53.8	26.721.6–34.7	39.4
2075	47.943.6–54	2721.7–35	39.5
2076	47.943.6–54.1	27.221.8–35.3	39.6
2077	47.943.6–54.3	27.421.9–35.6	39.7
2078	47.843.7–54.4	27.622–35.9	39.8
2079	47.843.7–54.5	27.822.1–36.2	40
2080	47.843.7–54.5	2822.2–36.4	40.1
2081	47.843.8–54.6	28.322.3–36.7	40.2
2082	47.843.8–54.7	28.522.3–37	40.3
2083	47.843.9–54.7	28.722.4–37.2	40.4
2084	47.843.9–54.8	28.922.5–37.5	40.5
2085	47.844–54.8	29.122.6–37.8	40.6
2086	47.844.1–54.8	29.322.7–38	40.7
2087	47.944.1–54.8	29.522.8–38.2	40.9
2088	4844.2–54.9	29.722.9–38.5	41
2089	4844.2–54.9	29.923–38.7	41.1
2090	48.144.2–54.9	30.223.1–38.9	41.2
2091	48.244.2–54.9	30.423.2–39.1	41.3
2092	48.344.3–55	30.623.3–39.2	41.4
2093	48.444.3–55	30.823.5–39.4	41.5
2094	48.544.3–55.1	3123.6–39.6	41.6
2095	48.644.3–55.2	31.223.6–39.8	41.7
2096	48.744.3–55.3	31.423.7–39.9	41.8
2097	48.844.3–55.4	31.623.8–40	41.9
2098	48.844.3–55.6	31.923.9–40.2	42
2099	48.944.4–55.7	32.124–40.3	42
2100	4944.4–55.8	32.324.1–40.4	42.1

Each country on its own

Good to know

Half the people are older than this age and half are younger.
Source: UN DESA, World Population Prospects 2024.
The dashed line is the UN projection (medium variant), a scenario rather than a forecast; the band is its 95% prediction interval.
Ranks count the 229 countries with a value in 2023, highest first.
The faint line is the world as a whole, as the same source counts it.

How the layers work, where their data comes from and what they can’t tell you: Countries through time

Belgium vs Tanzania: Median age

What the numbers say

Every year

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