Indonesia vs Tanzania: Median age

Median age in 2023: 29.8 years in Indonesia and 17.2 years in Tanzania, by UN estimates. In 2023 the value was higher in Indonesia, by 12.6 years, or 1.73 times that in Tanzania.

Watch it change on the map

years · UN

IndonesiaTanzaniaUN projection (medium variant)95% prediction intervalWorld

What the numbers say

Indonesia has been higher in every year both have figures for since 1950.
In 2023, Indonesia ranked 124 and Tanzania ranked 217 of 229 countries, counting from the highest.
The UN projection (medium variant) puts Indonesia at 45 years and Tanzania at 32.3 years in 2100.
The world as a whole: 30.4 years in 2023.

Every year

years · UN

Year	Indonesia	Tanzania	World
2023	29.8	17.2	30.4
2022	29.6	17.1	30.1
2021	29.3	17	29.8
2020	29.1	16.9	29.6
2019	28.9	16.8	29.3
2018	28.6	16.8	29
2017	28.4	16.7	28.8
2016	28.1	16.6	28.5
2015	27.9	16.4	28.3
2014	27.6	16.3	28.1
2013	27.4	16.2	27.8
2012	27.1	16.2	27.6
2011	26.9	16.1	27.4
2010	26.6	16.1	27.2
2009	26.3	16.1	27
2008	26	16.2	26.7
2007	25.7	16.2	26.5
2006	25.5	16.3	26.3
2005	25.2	16.3	26.1
2004	24.9	16.3	25.9
2003	24.5	16.4	25.7
2002	24.2	16.4	25.5
2001	23.9	16.4	25.3
2000	23.6	16.4	25.1
1999	23.3	16.3	24.9
1998	23	16.3	24.7
1997	22.7	16.2	24.4
1996	22.4	16.3	24.2
1995	22.1	16.3	24
1994	21.8	16.2	23.8
1993	21.5	15.9	23.5
1992	21.2	15.7	23.3
1991	20.9	15.6	23.1
1990	20.7	15.5	22.9
1989	20.4	15.5	22.8
1988	20.1	15.4	22.6
1987	19.8	15.3	22.4
1986	19.5	15.2	22.2
1985	19.3	15.2	22
1984	19.1	15.1	21.9
1983	18.9	15.1	21.8
1982	18.7	15.2	21.7
1981	18.5	15.3	21.6
1980	18.4	15.4	21.5
1979	18.2	15.5	21.3
1978	18.1	15.6	21.1
1977	18	15.7	21
1976	17.9	15.8	20.8
1975	17.8	15.8	20.7
1974	17.8	15.8	20.5
1973	17.7	15.9	20.4
1972	17.7	15.9	20.4
1971	17.8	15.9	20.3
1970	17.9	16	20.3
1969	18	16	20.3
1968	18.2	16.1	20.4
1967	18.4	16.1	20.5
1966	18.6	16.2	20.6
1965	18.8	16.3	20.8
1964	18.9	16.3	21
1963	19	16.3	21.2
1962	19.1	16.3	21.4
1961	19.1	16.3	21.4
1960	19.1	16.3	21.5
1959	19.1	16.3	21.5
1958	19.1	16.3	21.5
1957	19	16.3	21.6
1956	18.9	16.3	21.7
1955	18.8	16.3	21.8
1954	18.6	16.2	21.9
1953	18.5	16.2	22
1952	18.3	16.1	22.1
1951	18.1	16.1	22.1
1950	17.9	16	22.2

UN projection (medium variant) · 2024–2100

Year	Indonesia	Tanzania	World
2024	30.130.1–30.2	17.417.4–17.4	30.6
2025	30.430.3–30.5	17.517.5–17.5	30.9
2026	30.730.4–30.9	17.617.6–17.7	31.1
2027	30.930.6–31.3	17.717.7–17.9	31.3
2028	31.230.8–31.7	17.917.7–18.1	31.6
2029	31.531–32.1	1817.8–18.3	31.8
2030	31.831.2–32.5	18.117.8–18.5	32
2031	32.131.4–32.9	18.317.8–18.8	32.2
2032	32.431.5–33.3	18.417.9–19.1	32.4
2033	32.631.7–33.7	18.517.9–19.4	32.6
2034	32.931.8–34.1	18.718–19.7	32.8
2035	33.132–34.5	18.918–20.1	33
2036	33.332.1–34.8	1918.1–20.4	33.2
2037	33.632.3–35.2	19.218.2–20.8	33.4
2038	33.832.4–35.5	19.418.3–21.1	33.6
2039	3432.5–35.9	19.618.3–21.5	33.8
2040	34.332.7–36.2	19.818.3–21.9	34
2041	34.532.9–36.6	2018.4–22.3	34.2
2042	34.833–36.9	20.218.4–22.7	34.4
2043	3533.2–37.3	20.418.5–23.1	34.6
2044	35.333.4–37.6	20.618.6–23.5	34.8
2045	35.533.6–37.9	20.818.7–23.9	35
2046	35.833.8–38.3	2118.8–24.4	35.2
2047	3634–38.6	21.218.9–24.8	35.4
2048	36.334.2–39	21.419–25.2	35.6
2049	36.634.4–39.3	21.619.2–25.6	35.9
2050	36.834.5–39.6	21.819.3–26.1	36.1
2051	37.134.7–40	2219.4–26.5	36.3
2052	37.434.8–40.3	22.219.5–26.9	36.5
2053	37.634.9–40.7	22.419.7–27.3	36.7
2054	37.935–41	22.619.8–27.7	36.9
2055	38.135.1–41.4	22.819.9–28.1	37.1
2056	38.335.2–41.7	2320–28.4	37.3
2057	38.535.3–42.1	23.220.1–28.8	37.5
2058	38.735.3–42.4	23.420.2–29.2	37.6
2059	38.935.4–42.8	23.620.3–29.5	37.8
2060	39.135.5–43.1	23.820.4–29.9	37.9
2061	39.335.6–43.4	2420.5–30.2	38
2062	39.435.8–43.7	24.220.6–30.5	38.1
2063	39.635.9–44	24.420.7–30.9	38.3
2064	39.836.1–44.3	24.620.8–31.2	38.4
2065	39.936.2–44.6	24.820.8–31.6	38.5
2066	40.136.4–44.9	25.120.9–31.9	38.6
2067	40.336.5–45.2	25.321–32.3	38.7
2068	40.436.6–45.5	25.521.1–32.7	38.8
2069	40.636.8–45.8	25.721.1–33	38.9
2070	40.736.9–46.2	25.921.2–33.3	39
2071	40.937.1–46.4	26.121.3–33.7	39.1
2072	4137.3–46.7	26.321.4–34	39.2
2073	41.237.4–46.8	26.521.5–34.3	39.3
2074	41.337.6–47	26.721.6–34.7	39.4
2075	41.537.7–47.1	2721.7–35	39.5
2076	41.637.9–47.2	27.221.8–35.3	39.6
2077	41.838.1–47.4	27.421.9–35.6	39.7
2078	41.938.2–47.4	27.622–35.9	39.8
2079	42.138.4–47.5	27.822.1–36.2	40
2080	42.238.5–47.6	2822.2–36.4	40.1
2081	42.438.7–47.7	28.322.3–36.7	40.2
2082	42.638.8–47.8	28.522.3–37	40.3
2083	42.738.9–48	28.722.4–37.2	40.4
2084	42.939.1–48.1	28.922.5–37.5	40.5
2085	4339.2–48.2	29.122.6–37.8	40.6
2086	43.239.3–48.4	29.322.7–38	40.7
2087	43.339.4–48.5	29.522.8–38.2	40.9
2088	43.539.5–48.6	29.722.9–38.5	41
2089	43.639.6–48.8	29.923–38.7	41.1
2090	43.839.7–48.9	30.223.1–38.9	41.2
2091	43.939.8–49.1	30.423.2–39.1	41.3
2092	44.139.9–49.2	30.623.3–39.2	41.4
2093	44.239.9–49.4	30.823.5–39.4	41.5
2094	44.340–49.5	3123.6–39.6	41.6
2095	44.440.1–49.7	31.223.6–39.8	41.7
2096	44.640.2–49.8	31.423.7–39.9	41.8
2097	44.740.2–49.9	31.623.8–40	41.9
2098	44.840.3–50	31.923.9–40.2	42
2099	44.940.4–50.2	32.124–40.3	42
2100	4540.5–50.3	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

Indonesia vs Tanzania: Median age

What the numbers say

Every year

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