Australia vs Tanzania: Median age

Median age in 2023: 37.8 years in Australia and 17.2 years in Tanzania, by UN estimates. In 2023 the value was higher in Australia, by 20.5 years, or 2.19 times that in Tanzania.

Watch it change on the map

years · UN

AustraliaTanzaniaUN projection (medium variant)95% prediction intervalWorld

What the numbers say

Australia has been higher in every year both have figures for since 1950.
The UN projection (medium variant) puts Australia at 44.8 years and Tanzania at 32.3 years in 2100.
The world as a whole: 30.4 years in 2023.

Every year

years · UN

Year	Australia	Tanzania	World
2023	37.8	17.2	30.4
2022	37.5	17.1	30.1
2021	37.3	17	29.8
2020	36.9	16.9	29.6
2019	36.5	16.8	29.3
2018	36.4	16.8	29
2017	36.3	16.7	28.8
2016	36.3	16.6	28.5
2015	36.3	16.4	28.3
2014	36.3	16.3	28.1
2013	36.2	16.2	27.8
2012	36.2	16.2	27.6
2011	36.2	16.1	27.4
2010	36	16.1	27.2
2009	35.9	16.1	27
2008	35.8	16.2	26.7
2007	35.8	16.2	26.5
2006	35.7	16.3	26.3
2005	35.5	16.3	26.1
2004	35.3	16.3	25.9
2003	35.1	16.4	25.7
2002	34.9	16.4	25.5
2001	34.6	16.4	25.3
2000	34.4	16.4	25.1
1999	34.1	16.3	24.9
1998	33.7	16.3	24.7
1997	33.4	16.2	24.4
1996	33	16.3	24.2
1995	32.7	16.3	24
1994	32.4	16.2	23.8
1993	32	15.9	23.5
1992	31.7	15.7	23.3
1991	31.4	15.6	23.1
1990	31.1	15.5	22.9
1989	30.8	15.5	22.8
1988	30.6	15.4	22.6
1987	30.3	15.3	22.4
1986	30	15.2	22.2
1985	29.8	15.2	22
1984	29.5	15.1	21.9
1983	29.2	15.1	21.8
1982	28.9	15.2	21.7
1981	28.6	15.3	21.6
1980	28.4	15.4	21.5
1979	28.1	15.5	21.3
1978	27.9	15.6	21.1
1977	27.6	15.7	21
1976	27.4	15.8	20.8
1975	27.1	15.8	20.7
1974	26.9	15.8	20.5
1973	26.7	15.9	20.4
1972	26.6	15.9	20.4
1971	26.5	15.9	20.3
1970	26.6	16	20.3
1969	26.7	16	20.3
1968	26.8	16.1	20.4
1967	27	16.1	20.5
1966	27.1	16.2	20.6
1965	27.3	16.3	20.8
1964	27.5	16.3	21
1963	27.8	16.3	21.2
1962	28.1	16.3	21.4
1961	28.3	16.3	21.4
1960	28.6	16.3	21.5
1959	28.8	16.3	21.5
1958	28.9	16.3	21.5
1957	29	16.3	21.6
1956	29.1	16.3	21.7
1955	29.2	16.3	21.8
1954	29.2	16.2	21.9
1953	29.3	16.2	22
1952	29.3	16.1	22.1
1951	29.3	16.1	22.1
1950	29.4	16	22.2

UN projection (medium variant) · 2024–2100

Year	Australia	Tanzania	World
2024	3837.9–38.1	17.417.4–17.4	30.6
2025	38.338–38.5	17.517.5–17.5	30.9
2026	38.538.1–38.9	17.617.6–17.7	31.1
2027	38.838.2–39.4	17.717.7–17.9	31.3
2028	3938.4–39.8	17.917.7–18.1	31.6
2029	39.338.5–40.3	1817.8–18.3	31.8
2030	39.538.6–40.8	18.117.8–18.5	32
2031	39.838.6–41.2	18.317.8–18.8	32.2
2032	4038.7–41.7	18.417.9–19.1	32.4
2033	40.338.8–42.2	18.517.9–19.4	32.6
2034	40.538.8–42.6	18.718–19.7	32.8
2035	40.738.9–43.1	18.918–20.1	33
2036	40.938.9–43.6	1918.1–20.4	33.2
2037	41.138.8–44	19.218.2–20.8	33.4
2038	41.338.8–44.5	19.418.3–21.1	33.6
2039	41.438.8–44.9	19.618.3–21.5	33.8
2040	41.538.7–45.4	19.818.3–21.9	34
2041	41.638.6–45.8	2018.4–22.3	34.2
2042	41.638.5–46.2	20.218.4–22.7	34.4
2043	41.738.5–46.6	20.418.5–23.1	34.6
2044	41.738.4–47	20.618.6–23.5	34.8
2045	41.738.4–47.4	20.818.7–23.9	35
2046	41.738.5–47.8	2118.8–24.4	35.2
2047	41.738.6–48.1	21.218.9–24.8	35.4
2048	41.838.7–48.4	21.419–25.2	35.6
2049	41.938.8–48.8	21.619.2–25.6	35.9
2050	4238.8–49.1	21.819.3–26.1	36.1
2051	42.138.9–49.4	2219.4–26.5	36.3
2052	42.239–49.7	22.219.5–26.9	36.5
2053	42.339.1–50	22.419.7–27.3	36.7
2054	42.439.2–50.2	22.619.8–27.7	36.9
2055	42.539.2–50.4	22.819.9–28.1	37.1
2056	42.639.3–50.7	2320–28.4	37.3
2057	42.739.4–50.9	23.220.1–28.8	37.5
2058	42.839.4–51.1	23.420.2–29.2	37.6
2059	42.939.4–51.3	23.620.3–29.5	37.8
2060	42.939.4–51.5	23.820.4–29.9	37.9
2061	4339.4–51.7	2420.5–30.2	38
2062	43.139.4–51.9	24.220.6–30.5	38.1
2063	43.139.4–52	24.420.7–30.9	38.3
2064	43.239.5–52.2	24.620.8–31.2	38.4
2065	43.339.5–52.4	24.820.8–31.6	38.5
2066	43.339.5–52.6	25.120.9–31.9	38.6
2067	43.439.6–52.8	25.321–32.3	38.7
2068	43.539.6–53	25.521.1–32.7	38.8
2069	43.539.7–53.2	25.721.1–33	38.9
2070	43.639.7–53.3	25.921.2–33.3	39
2071	43.639.7–53.5	26.121.3–33.7	39.1
2072	43.739.8–53.6	26.321.4–34	39.2
2073	43.739.8–53.8	26.521.5–34.3	39.3
2074	43.839.8–54	26.721.6–34.7	39.4
2075	43.839.9–54.1	2721.7–35	39.5
2076	43.839.9–54.3	27.221.8–35.3	39.6
2077	43.839.9–54.4	27.421.9–35.6	39.7
2078	43.940–54.6	27.622–35.9	39.8
2079	43.940.1–54.7	27.822.1–36.2	40
2080	43.940.1–54.8	2822.2–36.4	40.1
2081	43.940.2–55	28.322.3–36.7	40.2
2082	43.940.3–55.1	28.522.3–37	40.3
2083	43.940.3–55.3	28.722.4–37.2	40.4
2084	43.940.4–55.4	28.922.5–37.5	40.5
2085	4440.4–55.6	29.122.6–37.8	40.6
2086	4440.5–55.8	29.322.7–38	40.7
2087	4440.5–55.9	29.522.8–38.2	40.9
2088	44.140.6–56	29.722.9–38.5	41
2089	44.140.6–56.2	29.923–38.7	41.1
2090	44.140.7–56.3	30.223.1–38.9	41.2
2091	44.240.8–56.5	30.423.2–39.1	41.3
2092	44.240.8–56.8	30.623.3–39.2	41.4
2093	44.340.9–57	30.823.5–39.4	41.5
2094	44.440.9–57.2	3123.6–39.6	41.6
2095	44.441–57.4	31.223.6–39.8	41.7
2096	44.541–57.5	31.423.7–39.9	41.8
2097	44.641.1–57.7	31.623.8–40	41.9
2098	44.641.1–57.8	31.923.9–40.2	42
2099	44.741.2–58	32.124–40.3	42
2100	44.841.2–58.1	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

Australia vs Tanzania: Median age

What the numbers say

Every year

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