Guinea-Bissau Demographics: Median age, Gender, Religion

Median age in Guinea-Bissau, 1960–2100

In 1960, the median age in Guinea-Bissau was 22.9 years compared to the world's average of 22.5 years. As of 2024, the median age had decreased to 20.2 years, compared with the average of 31.6 years in other countries. Ranked 58th for median age 64 years ago (old to young), Guinea-Bissau ranks 164th currently.

According to the United Nations projections, the median age in Guinea-Bissau is expected to increase to 37.4 years by 2100. The aging demographics forecast is based on previous years' birth rates and increasing life expectancy.

Demographic pyramid: age and gender distribution

Chart Table

Guinea-Bissau

Male

Female

Age range	Share of population
	Guinea-Bissau
	Male	Female
80+	0.14%	0.22%
75-79	0.2%	0.31%
70-74	0.36%	0.58%
65-69	0.53%	0.85%
60-64	0.72%	1.03%
55-59	1.01%	1.25%
50-54	1.51%	1.71%
45-49	1.98%	2.15%
40-44	2.51%	2.57%
35-39	3.01%	3.05%
30-34	3.5%	3.52%
25-29	4.1%	4.09%
20-24	4.74%	4.69%
15-19	5.49%	5.41%
10-14	6.2%	6.07%
5-9	6.52%	6.36%
0-4	6.91%	6.72%

The chart above is a variation of the population pyramid and represents the age and gender structure. Guinea-Bissau has high demographic potential with 74.3% of people in the 0-34 age group (ranked 29/196).

Working-age demographic by year

Chart Table

Guinea-Bissau

Factual

UN forecast

World

Factual

UN forecast

1x

Year	Working age share
	Guinea-Bissau	World
2100	64.9%	59.6%
2099	65%	59.6%
2098	65.1%	59.7%
2097	65.2%	59.7%
2096	65.3%	59.7%
2095	65.3%	59.7%
2094	65.4%	59.7%
2093	65.5%	59.8%
2092	65.5%	59.8%
2091	65.6%	59.8%
2090	65.7%	59.8%
2089	65.7%	59.8%
2088	65.8%	59.8%
2087	65.9%	59.8%
2086	65.9%	59.8%
2085	66%	59.9%
2084	66%	59.9%
2083	66.1%	60%
2082	66.1%	60.1%
2081	66.2%	60.3%
2080	66.3%	60.4%
2079	66.4%	60.6%
2078	66.5%	60.7%
2077	66.5%	60.9%
2076	66.6%	61%
2075	66.7%	61.1%
2074	66.7%	61.3%
2073	66.7%	61.4%
2072	66.8%	61.5%
2071	66.8%	61.6%
2070	66.8%	61.7%
2069	66.8%	61.8%
2068	66.8%	61.9%
2067	66.8%	62%
2066	66.7%	62%
2065	66.7%	62.1%
2064	66.6%	62.1%
2063	66.6%	62.1%
2062	66.5%	62.2%
2061	66.5%	62.2%
2060	66.4%	62.3%
2059	66.3%	62.3%
2058	66.2%	62.4%
2057	66.1%	62.4%
2056	65.9%	62.5%
2055	65.8%	62.7%
2054	65.7%	62.8%
2053	65.6%	62.9%
2052	65.4%	63.1%
2051	65.3%	63.2%
2050	65.1%	63.4%
2049	65%	63.5%
2048	64.8%	63.6%
2047	64.6%	63.8%
2046	64.5%	63.9%
2045	64.3%	64%
2044	64.1%	64.1%
2043	63.8%	64.2%
2042	63.6%	64.3%
2041	63.5%	64.4%
2040	63.3%	64.5%
2039	63%	64.7%
2038	62.8%	64.8%
2037	62.6%	64.9%
2036	62.3%	65.1%
2035	62.1%	65.2%
2034	61.8%	65.3%
2033	61.5%	65.4%
2032	61.2%	65.4%
2031	60.8%	65.4%
2030	60.4%	65.4%
2029	60%	65.4%
2028	59.5%	65.4%
2027	59.1%	65.4%
2026	58.6%	65.2%
2025	58.2%	65.1%
2024	58%	65.1%
2023	57.6%	65%
2022	57.2%	64.9%
2021	56.8%	64.9%
2020	56.4%	64.8%
2019	56.1%	64.9%
2018	55.8%	64.9%
2017	55.4%	65%
2016	55.2%	65.1%
2015	54.9%	65.1%
2014	54.7%	65.2%
2013	54.5%	65.2%
2012	54.4%	65.2%
2011	54.2%	65.2%
2010	54%	65.1%
2009	53.8%	65%
2008	53.6%	64.9%
2007	53.4%	64.7%
2006	53.2%	64.5%
2005	53%	64.3%
2004	52.8%	64%
2003	52.6%	63.7%
2002	52.3%	63.4%
2001	52%	63.1%
2000	51.8%	62.8%
1999	51.5%	62.5%
1998	51.2%	62.2%
1997	50.9%	61.9%
1996	50.6%	61.7%
1995	50.4%	61.5%
1994	50.1%	61.3%
1993	49.9%	61.2%
1992	49.7%	61.1%
1991	49.4%	61%
1990	49.2%	60.9%
1989	49.1%	60.8%
1988	49%	60.7%
1987	48.9%	60.5%
1986	48.9%	60.4%
1985	49%	60.1%
1984	49.1%	59.9%
1983	49.3%	59.6%
1982	49.6%	59.3%
1981	49.9%	59%
1980	50.2%	58.7%
1979	50.2%	58.4%
1978	50.4%	58%
1977	51.5%	57.7%
1976	52.6%	57.5%
1975	53.4%	57.4%
1974	54%	57.3%
1973	54%	57.3%
1972	53.7%	57.2%
1971	53.8%	57.1%
1970	53.9%	57%
1969	53.9%	56.9%
1968	54%	56.9%
1967	53.7%	56.9%
1966	53.8%	56.8%
1965	54.8%	56.9%
1964	56.3%	57%
1963	57.5%	57.2%
1962	58.2%	57.4%
1961	58.8%	57.5%
1960	59.1%	57.6%

The share of working-age demographics aged 15-64 in Guinea-Bissau changed from 52.8% to 58% between 2004 and 2024.

Age dependency by year

Age dependency is the ratio of people not in the labor force (children under 15 and adults 64+) to people aged 15 to 64. Age dependency in Guinea-Bissau decreased from 89.4% to 72.3% between 2004 and 2024 with a decreased share of children and an decreased proportion of people aged 65+

Share of young demographic (0-14 years) by year

Chart Table

Guinea-Bissau

Factual

UN forecast

World

Factual

UN forecast

1x

Year	Share of 0-14
	Guinea-Bissau	World
2100	19.7%	16.5%
2099	19.8%	16.6%
2098	19.9%	16.6%
2097	20%	16.7%
2096	20.2%	16.8%
2095	20.3%	16.8%
2094	20.4%	16.9%
2093	20.5%	17%
2092	20.6%	17%
2091	20.8%	17.1%
2090	20.9%	17.2%
2089	21%	17.2%
2088	21.2%	17.3%
2087	21.3%	17.4%
2086	21.5%	17.4%
2085	21.6%	17.5%
2084	21.8%	17.5%
2083	21.9%	17.6%
2082	22.1%	17.7%
2081	22.2%	17.7%
2080	22.4%	17.8%
2079	22.6%	17.8%
2078	22.7%	17.9%
2077	22.9%	17.9%
2076	23.1%	18%
2075	23.3%	18%
2074	23.4%	18.1%
2073	23.6%	18.2%
2072	23.8%	18.2%
2071	24%	18.3%
2070	24.2%	18.3%
2069	24.4%	18.4%
2068	24.6%	18.5%
2067	24.8%	18.6%
2066	25.1%	18.6%
2065	25.3%	18.7%
2064	25.5%	18.8%
2063	25.7%	18.9%
2062	26%	19.1%
2061	26.2%	19.2%
2060	26.5%	19.3%
2059	26.7%	19.4%
2058	27%	19.5%
2057	27.3%	19.6%
2056	27.5%	19.8%
2055	27.8%	19.9%
2054	28.1%	20%
2053	28.4%	20.1%
2052	28.7%	20.2%
2051	29%	20.3%
2050	29.3%	20.4%
2049	29.6%	20.5%
2048	29.9%	20.6%
2047	30.2%	20.7%
2046	30.5%	20.8%
2045	30.9%	20.9%
2044	31.2%	20.9%
2043	31.5%	21%
2042	31.9%	21.1%
2041	32.2%	21.2%
2040	32.5%	21.2%
2039	32.9%	21.3%
2038	33.2%	21.4%
2037	33.6%	21.5%
2036	33.9%	21.6%
2035	34.3%	21.8%
2034	34.6%	22%
2033	35%	22.2%
2032	35.3%	22.4%
2031	35.7%	22.7%
2030	36.2%	23%
2029	36.6%	23.3%
2028	37.1%	23.6%
2027	37.6%	23.9%
2026	38.1%	24.2%
2025	38.6%	24.6%
2024	38.8%	24.7%
2023	39.2%	25%
2022	39.7%	25.3%
2021	40.1%	25.6%
2020	40.5%	25.8%
2019	40.9%	26%
2018	41.3%	26.2%
2017	41.7%	26.4%
2016	42%	26.5%
2015	42.2%	26.6%
2014	42.5%	26.8%
2013	42.7%	26.9%
2012	42.8%	27%
2011	43%	27.1%
2010	43.2%	27.3%
2009	43.3%	27.5%
2008	43.5%	27.6%
2007	43.6%	27.9%
2006	43.8%	28.1%
2005	43.9%	28.5%
2004	44%	28.8%
2003	44.2%	29.2%
2002	44.3%	29.6%
2001	44.5%	30%
2000	44.7%	30.4%
1999	44.8%	30.8%
1998	45%	31.1%
1997	45.1%	31.5%
1996	45.2%	31.8%
1995	45.3%	32.1%
1994	45.4%	32.3%
1993	45.4%	32.5%
1992	45.5%	32.7%
1991	45.5%	32.9%
1990	45.7%	33%
1989	45.8%	33.2%
1988	45.9%	33.4%
1987	45.9%	33.6%
1986	46%	33.8%
1985	45.9%	34%
1984	45.9%	34.3%
1983	45.7%	34.6%
1982	45.5%	34.9%
1981	45.3%	35.2%
1980	45%	35.5%
1979	45.1%	35.9%
1978	44.8%	36.3%
1977	43.7%	36.7%
1976	42.6%	36.9%
1975	41.8%	37.1%
1974	41.4%	37.2%
1973	41.6%	37.3%
1972	41.9%	37.5%
1971	41.9%	37.6%
1970	41.9%	37.7%
1969	41.9%	37.8%
1968	41.8%	37.9%
1967	42.1%	38%
1966	41.9%	38%
1965	41%	38%
1964	39.6%	38%
1963	38.4%	37.8%
1962	37.7%	37.6%
1961	37.1%	37.5%
1960	36.9%	37.4%

The share of children aged 0-14 in Guinea-Bissau decreased from 44% to 38.8% between 2004 and 2024 due to changes in birth rates.

Share of old population (65+) by year

Chart Table

Guinea-Bissau

Factual

UN forecast

World

Factual

UN forecast

1x

Year	Share of 65+ years old
	Guinea-Bissau	World
2100	15.3%	23.9%
2099	15.1%	23.8%
2098	15%	23.7%
2097	14.8%	23.6%
2096	14.6%	23.5%
2095	14.4%	23.4%
2094	14.2%	23.4%
2093	14%	23.3%
2092	13.8%	23.2%
2091	13.6%	23.1%
2090	13.4%	23.1%
2089	13.2%	23%
2088	13%	22.9%
2087	12.8%	22.8%
2086	12.6%	22.7%
2085	12.4%	22.6%
2084	12.2%	22.5%
2083	12%	22.4%
2082	11.8%	22.2%
2081	11.6%	22%
2080	11.3%	21.8%
2079	11.1%	21.6%
2078	10.8%	21.4%
2077	10.6%	21.2%
2076	10.3%	21%
2075	10.1%	20.8%
2074	9.85%	20.6%
2073	9.63%	20.4%
2072	9.4%	20.3%
2071	9.18%	20.1%
2070	8.98%	19.9%
2069	8.78%	19.8%
2068	8.58%	19.6%
2067	8.39%	19.5%
2066	8.21%	19.3%
2065	8.02%	19.2%
2064	7.85%	19.1%
2063	7.67%	18.9%
2062	7.5%	18.8%
2061	7.33%	18.6%
2060	7.16%	18.5%
2059	6.99%	18.3%
2058	6.83%	18.1%
2057	6.68%	17.9%
2056	6.52%	17.7%
2055	6.38%	17.5%
2054	6.22%	17.2%
2053	6.06%	17%
2052	5.91%	16.7%
2051	5.76%	16.4%
2050	5.6%	16.2%
2049	5.45%	16%
2048	5.29%	15.8%
2047	5.14%	15.5%
2046	5%	15.3%
2045	4.86%	15.1%
2044	4.73%	14.9%
2043	4.62%	14.8%
2042	4.48%	14.6%
2041	4.35%	14.4%
2040	4.21%	14.2%
2039	4.09%	14%
2038	3.96%	13.8%
2037	3.85%	13.5%
2036	3.75%	13.3%
2035	3.67%	13%
2034	3.59%	12.7%
2033	3.54%	12.4%
2032	3.49%	12.2%
2031	3.45%	11.9%
2030	3.41%	11.6%
2029	3.37%	11.3%
2028	3.34%	11%
2027	3.3%	10.7%
2026	3.26%	10.5%
2025	3.22%	10.3%
2024	3.19%	10.2%
2023	3.14%	9.98%
2022	3.09%	9.74%
2021	3.05%	9.53%
2020	3.02%	9.33%
2019	2.98%	9.1%
2018	2.93%	8.88%
2017	2.89%	8.65%
2016	2.85%	8.45%
2015	2.82%	8.26%
2014	2.8%	8.08%
2013	2.79%	7.92%
2012	2.8%	7.78%
2011	2.81%	7.66%
2010	2.84%	7.58%
2009	2.88%	7.52%
2008	2.92%	7.47%
2007	2.98%	7.41%
2006	3.05%	7.34%
2005	3.12%	7.26%
2004	3.2%	7.18%
2003	3.29%	7.1%
2002	3.38%	7.01%
2001	3.48%	6.92%
2000	3.59%	6.84%
1999	3.71%	6.76%
1998	3.83%	6.68%
1997	3.97%	6.61%
1996	4.12%	6.53%
1995	4.27%	6.45%
1994	4.44%	6.37%
1993	4.63%	6.29%
1992	4.83%	6.21%
1991	5.05%	6.14%
1990	5.16%	6.07%
1989	5.16%	6.01%
1988	5.15%	5.95%
1987	5.13%	5.91%
1986	5.1%	5.86%
1985	5.07%	5.82%
1984	5.02%	5.8%
1983	4.97%	5.79%
1982	4.91%	5.8%
1981	4.84%	5.81%
1980	4.76%	5.81%
1979	4.75%	5.77%
1978	4.81%	5.71%
1977	4.84%	5.65%
1976	4.82%	5.59%
1975	4.74%	5.53%
1974	4.6%	5.47%
1973	4.46%	5.42%
1972	4.39%	5.37%
1971	4.31%	5.32%
1970	4.26%	5.28%
1969	4.23%	5.24%
1968	4.22%	5.2%
1967	4.26%	5.16%
1966	4.26%	5.12%
1965	4.21%	5.08%
1964	4.15%	5.04%
1963	4.1%	5.02%
1962	4.08%	5.01%
1961	4.07%	4.99%
1960	4.04%	4.97%

The share of older people aged 65 and over in Guinea-Bissau decreased from 3.2% to 3.19% between 2004 and 2024.

Median age map

+ -

1x