Median age in Guinea-Bissau

Median age in Guinea-Bissau: 20.4 years in 1950 and 18.9 years in 2023, by UN estimates.

Latest, 2023: 18.9 years
Since 1950: −1.5 years
Rank, 2023: 197 of 229; counting from the highest
World, 2023: 30.4 years
Projected, 2100: 36.5 years; UN projection (medium variant)

Watch it change on the map

years · UN

Estimates, UNUN projection (medium variant)95% prediction intervalWorld

What the numbers say

The UN projection (medium variant) puts it at 36.5 years in 2100, between 29.9 years and 32.8 years (95% prediction interval).
The highest was 22 years in 1960, the lowest 15.9 years in 1987.

Every year

years · UN

Year	Guinea-Bissau	World
2023	18.9	30.4
2022	18.7	30.1
2021	18.5	29.8
2020	18.4	29.6
2019	18.2	29.3
2018	18	29
2017	17.8	28.8
2016	17.7	28.5
2015	17.6	28.3
2014	17.4	28.1
2013	17.3	27.8
2012	17.3	27.6
2011	17.2	27.4
2010	17.1	27.2
2009	17	27
2008	16.9	26.7
2007	16.9	26.5
2006	16.8	26.3
2005	16.7	26.1
2004	16.7	25.9
2003	16.6	25.7
2002	16.5	25.5
2001	16.4	25.3
2000	16.3	25.1
1999	16.2	24.9
1998	16.2	24.7
1997	16.1	24.4
1996	16.1	24.2
1995	16.1	24
1994	16.1	23.8
1993	16	23.5
1992	16	23.3
1991	16	23.1
1990	15.9	22.9
1989	15.9	22.8
1988	15.9	22.6
1987	15.9	22.4
1986	15.9	22.2
1985	16	22
1984	16.1	21.9
1983	16.2	21.8
1982	16.3	21.7
1981	16.5	21.6
1980	16.6	21.5
1979	16.6	21.3
1978	16.7	21.1
1977	17.1	21
1976	17.4	20.8
1975	17.7	20.7
1974	17.8	20.5
1973	17.7	20.4
1972	17.7	20.4
1971	17.9	20.3
1970	18	20.3
1969	18.2	20.3
1968	18.4	20.4
1967	18.5	20.5
1966	18.9	20.6
1965	19.7	20.8
1964	20.6	21
1963	21.3	21.2
1962	21.6	21.4
1961	21.9	21.4
1960	22	21.5
1959	21.8	21.5
1958	21.7	21.5
1957	21.5	21.6
1956	21.4	21.7
1955	21.2	21.8
1954	21	21.9
1953	20.8	22
1952	20.7	22.1
1951	20.5	22.1
1950	20.4	22.2

UN projection (medium variant) · 2024–2100

Year	Guinea-Bissau	World
2024	19.219.1–19.2	30.6
2025	19.419.4–19.4	30.9
2026	19.619.6–19.7	31.1
2027	19.819.8–19.9	31.3
2028	20.120.1–20.1	31.6
2029	20.320.3–20.4	31.8
2030	20.620.5–20.7	32
2031	20.820.8–21	32.2
2032	2121–21.4	32.4
2033	21.321.2–21.8	32.6
2034	21.621.4–22.2	32.8
2035	21.821.6–22.6	33
2036	22.121.7–23.1	33.2
2037	22.421.9–23.6	33.4
2038	22.722.1–24.1	33.6
2039	22.922.2–24.7	33.8
2040	23.222.4–25.2	34
2041	23.522.5–25.8	34.2
2042	23.722.7–26.4	34.4
2043	2422.8–27	34.6
2044	24.222.9–27.6	34.8
2045	24.523–28	35
2046	24.723.2–28.4	35.2
2047	2523.3–28.8	35.4
2048	25.223.4–29.1	35.6
2049	25.523.6–29.4	35.9
2050	25.723.7–29.7	36.1
2051	2623.8–30.1	36.3
2052	26.323.9–30.5	36.5
2053	26.524.1–30.9	36.7
2054	26.824.2–31.2	36.9
2055	2724.4–31.5	37.1
2056	27.324.5–31.9	37.3
2057	27.524.7–32.2	37.5
2058	27.824.8–32.6	37.6
2059	2824.9–32.9	37.8
2060	28.325.1–33.2	37.9
2061	28.525.2–33.5	38
2062	28.825.3–33.7	38.1
2063	2925.4–34	38.3
2064	29.225.5–34.3	38.4
2065	29.525.6–34.6	38.5
2066	29.725.8–35	38.6
2067	3025.9–35.5	38.7
2068	30.226–35.8	38.8
2069	30.426.1–36	38.9
2070	30.726.3–36.2	39
2071	30.926.4–36.4	39.1
2072	31.126.5–36.5	39.2
2073	31.326.6–36.5	39.3
2074	31.626.7–36.6	39.4
2075	31.826.9–36.7	39.5
2076	3227–36.7	39.6
2077	32.227.2–36.9	39.7
2078	32.427.3–37.1	39.8
2079	32.627.4–37.2	40
2080	32.927.5–37.4	40.1
2081	33.127.6–37.7	40.2
2082	33.327.7–38	40.3
2083	33.527.8–38	40.4
2084	33.727.9–37.8	40.5
2085	33.928–37.9	40.6
2086	34.128.1–37.9	40.7
2087	34.328.3–38	40.9
2088	34.428.6–38	41
2089	34.628.8–37.7	41.1
2090	34.828.9–37.4	41.2
2091	3528.8–37.2	41.3
2092	35.228.8–37.3	41.4
2093	35.328.9–37.1	41.5
2094	35.529.1–36.6	41.6
2095	35.729.2–36	41.7
2096	35.829.4–35.5	41.8
2097	3629.5–34.8	41.9
2098	36.129.7–34	42
2099	36.329.8–33.3	42
2100	36.529.9–32.8	42.1

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

Median age in Guinea-Bissau

What the numbers say

Every year

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