Sao Tome and Principe Demographics: Median age, Gender, Religion

Median age in Sao Tome and Principe, 1960–2100

In 1960, the median age in Sao Tome and Principe was 24.2 years compared to the world's average of 22.5 years. As of 2024, the median age had decreased to 20.3 years, compared with the average of 31.6 years in other countries. Ranked 49th for median age 64 years ago (old to young), Sao Tome and Principe ranks 163rd currently.

According to the United Nations projections, the median age in Sao Tome and Principe is expected to increase to 38.2 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

Sao Tome and Principe

Male

Female

Age range	Share of population
	Sao Tome
	Male	Female
80+	0.26%	0.47%
75-79	0.27%	0.36%
70-74	0.48%	0.55%
65-69	0.72%	0.79%
60-64	1.05%	1.13%
55-59	1.36%	1.32%
50-54	1.78%	1.68%
45-49	2.29%	2.23%
40-44	2.75%	2.76%
35-39	2.78%	2.85%
30-34	2.98%	3.03%
25-29	3.53%	3.65%
20-24	4.63%	4.84%
15-19	5.79%	5.84%
10-14	6.1%	6.08%
5-9	6.24%	6.17%
0-4	6.7%	6.54%

The chart above is a variation of the population pyramid and represents the age and gender structure. Sao Tome and Principe has average demographic potential with 72.1% of people in the 0-34 age group (ranked 39/196).

Working-age demographic by year

Chart Table

Sao Tome and Principe

Factual

UN forecast

World

Factual

UN forecast

1x

Year	Working age share
	Sao Tome	World
2100	62.5%	59.6%
2099	62.7%	59.6%
2098	62.9%	59.7%
2097	63%	59.7%
2096	63.1%	59.7%
2095	63.3%	59.7%
2094	63.4%	59.7%
2093	63.5%	59.8%
2092	63.6%	59.8%
2091	63.8%	59.8%
2090	63.9%	59.8%
2089	63.9%	59.8%
2088	64%	59.8%
2087	64.1%	59.8%
2086	64.2%	59.8%
2085	64.2%	59.9%
2084	64.2%	59.9%
2083	64.3%	60%
2082	64.3%	60.1%
2081	64.3%	60.3%
2080	64.4%	60.4%
2079	64.5%	60.6%
2078	64.6%	60.7%
2077	64.7%	60.9%
2076	64.8%	61%
2075	64.8%	61.1%
2074	64.9%	61.3%
2073	65.1%	61.4%
2072	65.2%	61.5%
2071	65.4%	61.6%
2070	65.5%	61.7%
2069	65.6%	61.8%
2068	65.6%	61.9%
2067	65.7%	62%
2066	65.7%	62%
2065	65.7%	62.1%
2064	65.7%	62.1%
2063	65.6%	62.1%
2062	65.5%	62.2%
2061	65.3%	62.2%
2060	65.2%	62.3%
2059	65%	62.3%
2058	64.8%	62.4%
2057	64.6%	62.4%
2056	64.4%	62.5%
2055	64.2%	62.7%
2054	63.9%	62.8%
2053	63.7%	62.9%
2052	63.4%	63.1%
2051	63.2%	63.2%
2050	63%	63.4%
2049	62.8%	63.5%
2048	62.6%	63.6%
2047	62.4%	63.8%
2046	62.3%	63.9%
2045	62.1%	64%
2044	61.9%	64.1%
2043	61.8%	64.2%
2042	61.6%	64.3%
2041	61.5%	64.4%
2040	61.4%	64.5%
2039	61.2%	64.7%
2038	61.1%	64.8%
2037	60.9%	64.9%
2036	60.8%	65.1%
2035	60.7%	65.2%
2034	60.6%	65.3%
2033	60.5%	65.4%
2032	60.4%	65.4%
2031	60.3%	65.4%
2030	60%	65.4%
2029	59.7%	65.4%
2028	59.3%	65.4%
2027	58.9%	65.4%
2026	58.7%	65.2%
2025	58.5%	65.1%
2024	58.3%	65.1%
2023	57.9%	65%
2022	57.4%	64.9%
2021	56.8%	64.9%
2020	56.2%	64.8%
2019	55.7%	64.9%
2018	55.3%	64.9%
2017	55%	65%
2016	54.7%	65.1%
2015	54.5%	65.1%
2014	54.4%	65.2%
2013	54.4%	65.2%
2012	54.4%	65.2%
2011	54.4%	65.2%
2010	54.3%	65.1%
2009	54.2%	65%
2008	54.1%	64.9%
2007	54.1%	64.7%
2006	54%	64.5%
2005	53.9%	64.3%
2004	53.8%	64%
2003	53.7%	63.7%
2002	53.5%	63.4%
2001	53.3%	63.1%
2000	53%	62.8%
1999	52.4%	62.5%
1998	51.9%	62.2%
1997	51.4%	61.9%
1996	51.1%	61.7%
1995	50.8%	61.5%
1994	50.7%	61.3%
1993	50.6%	61.2%
1992	50.6%	61.1%
1991	50.7%	61%
1990	50.7%	60.9%
1989	50.7%	60.8%
1988	50.7%	60.7%
1987	50.8%	60.5%
1986	50.9%	60.4%
1985	51.1%	60.1%
1984	51.1%	59.9%
1983	51%	59.6%
1982	50.9%	59.3%
1981	50.8%	59%
1980	50.6%	58.7%
1979	50.5%	58.4%
1978	50.3%	58%
1977	50.1%	57.7%
1976	50%	57.5%
1975	49.9%	57.4%
1974	49.8%	57.3%
1973	49.6%	57.3%
1972	49.5%	57.2%
1971	49.4%	57.1%
1970	49.2%	57%
1969	49.6%	56.9%
1968	50.6%	56.9%
1967	51.6%	56.9%
1966	52.8%	56.8%
1965	54.2%	56.9%
1964	55.7%	57%
1963	57.5%	57.2%
1962	59.6%	57.4%
1961	62%	57.5%
1960	63.5%	57.6%

The share of working-age demographics aged 15-64 in Sao Tome and Principe changed from 53.8% to 58.3% 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 Sao Tome and Principe decreased from 85.8% to 71.6% 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

Sao Tome and Principe

Factual

UN forecast

World

Factual

UN forecast

1x

Year	Share of 0-14
	Sao Tome	World
2100	19.5%	16.5%
2099	19.6%	16.6%
2098	19.8%	16.6%
2097	19.9%	16.7%
2096	20%	16.8%
2095	20.2%	16.8%
2094	20.3%	16.9%
2093	20.4%	17%
2092	20.6%	17%
2091	20.7%	17.1%
2090	20.9%	17.2%
2089	21.1%	17.2%
2088	21.2%	17.3%
2087	21.4%	17.4%
2086	21.6%	17.4%
2085	21.8%	17.5%
2084	22%	17.5%
2083	22.2%	17.6%
2082	22.4%	17.7%
2081	22.6%	17.7%
2080	22.9%	17.8%
2079	23.1%	17.8%
2078	23.3%	17.9%
2077	23.5%	17.9%
2076	23.7%	18%
2075	24%	18%
2074	24.2%	18.1%
2073	24.4%	18.2%
2072	24.6%	18.2%
2071	24.8%	18.3%
2070	25%	18.3%
2069	25.2%	18.4%
2068	25.4%	18.5%
2067	25.6%	18.6%
2066	25.9%	18.6%
2065	26.1%	18.7%
2064	26.3%	18.8%
2063	26.5%	18.9%
2062	26.8%	19.1%
2061	27%	19.2%
2060	27.3%	19.3%
2059	27.5%	19.4%
2058	27.8%	19.5%
2057	28.1%	19.6%
2056	28.4%	19.8%
2055	28.7%	19.9%
2054	29%	20%
2053	29.4%	20.1%
2052	29.7%	20.2%
2051	30.1%	20.3%
2050	30.4%	20.4%
2049	30.8%	20.5%
2048	31.1%	20.6%
2047	31.5%	20.7%
2046	31.8%	20.8%
2045	32.1%	20.9%
2044	32.5%	20.9%
2043	32.8%	21%
2042	33.1%	21.1%
2041	33.4%	21.2%
2040	33.6%	21.2%
2039	33.9%	21.3%
2038	34.1%	21.4%
2037	34.4%	21.5%
2036	34.6%	21.6%
2035	34.7%	21.8%
2034	34.9%	22%
2033	35.1%	22.2%
2032	35.3%	22.4%
2031	35.5%	22.7%
2030	35.8%	23%
2029	36.1%	23.3%
2028	36.6%	23.6%
2027	37%	23.9%
2026	37.3%	24.2%
2025	37.6%	24.6%
2024	37.8%	24.7%
2023	38.3%	25%
2022	38.8%	25.3%
2021	39.4%	25.6%
2020	39.9%	25.8%
2019	40.5%	26%
2018	40.9%	26.2%
2017	41.4%	26.4%
2016	41.7%	26.5%
2015	41.9%	26.6%
2014	42%	26.8%
2013	42%	26.9%
2012	42%	27%
2011	42%	27.1%
2010	42.1%	27.3%
2009	42.1%	27.5%
2008	42.1%	27.6%
2007	42%	27.9%
2006	42%	28.1%
2005	42%	28.5%
2004	42.1%	28.8%
2003	42.2%	29.2%
2002	42.3%	29.6%
2001	42.5%	30%
2000	42.8%	30.4%
1999	43.4%	30.8%
1998	43.9%	31.1%
1997	44.3%	31.5%
1996	44.7%	31.8%
1995	44.9%	32.1%
1994	45.1%	32.3%
1993	45.2%	32.5%
1992	45.2%	32.7%
1991	45.1%	32.9%
1990	45.1%	33%
1989	45%	33.2%
1988	45%	33.4%
1987	44.9%	33.6%
1986	44.7%	33.8%
1985	44.5%	34%
1984	44.4%	34.3%
1983	44.5%	34.6%
1982	44.5%	34.9%
1981	44.7%	35.2%
1980	44.9%	35.5%
1979	45.1%	35.9%
1978	45.2%	36.3%
1977	45.3%	36.7%
1976	45.4%	36.9%
1975	45.5%	37.1%
1974	45.6%	37.2%
1973	45.7%	37.3%
1972	45.9%	37.5%
1971	46.1%	37.6%
1970	46.2%	37.7%
1969	45.8%	37.8%
1968	44.9%	37.9%
1967	44%	38%
1966	42.9%	38%
1965	41.6%	38%
1964	40.2%	38%
1963	38.5%	37.8%
1962	36.6%	37.6%
1961	34.3%	37.5%
1960	32.9%	37.4%

The share of children aged 0-14 in Sao Tome and Principe decreased from 42.1% to 37.8% between 2004 and 2024 due to changes in birth rates.

Share of old population (65+) by year

Chart Table

Sao Tome and Principe

Factual

UN forecast

World

Factual

UN forecast

1x

Year	Share of 65+ years old
	Sao Tome	World
2100	17.9%	23.9%
2099	17.7%	23.8%
2098	17.4%	23.7%
2097	17.1%	23.6%
2096	16.8%	23.5%
2095	16.6%	23.4%
2094	16.3%	23.4%
2093	16%	23.3%
2092	15.8%	23.2%
2091	15.5%	23.1%
2090	15.2%	23.1%
2089	15%	23%
2088	14.7%	22.9%
2087	14.5%	22.8%
2086	14.2%	22.7%
2085	14%	22.6%
2084	13.8%	22.5%
2083	13.5%	22.4%
2082	13.3%	22.2%
2081	13%	22%
2080	12.7%	21.8%
2079	12.4%	21.6%
2078	12.1%	21.4%
2077	11.7%	21.2%
2076	11.5%	21%
2075	11.2%	20.8%
2074	10.9%	20.6%
2073	10.5%	20.4%
2072	10.2%	20.3%
2071	9.83%	20.1%
2070	9.5%	19.9%
2069	9.2%	19.8%
2068	8.92%	19.6%
2067	8.66%	19.5%
2066	8.42%	19.3%
2065	8.21%	19.2%
2064	8.04%	19.1%
2063	7.89%	18.9%
2062	7.77%	18.8%
2061	7.66%	18.6%
2060	7.55%	18.5%
2059	7.46%	18.3%
2058	7.38%	18.1%
2057	7.3%	17.9%
2056	7.22%	17.7%
2055	7.14%	17.5%
2054	7.06%	17.2%
2053	6.97%	17%
2052	6.88%	16.7%
2051	6.76%	16.4%
2050	6.63%	16.2%
2049	6.46%	16%
2048	6.29%	15.8%
2047	6.11%	15.5%
2046	5.93%	15.3%
2045	5.76%	15.1%
2044	5.6%	14.9%
2043	5.44%	14.8%
2042	5.28%	14.6%
2041	5.13%	14.4%
2040	5%	14.2%
2039	4.89%	14%
2038	4.79%	13.8%
2037	4.7%	13.5%
2036	4.61%	13.3%
2035	4.52%	13%
2034	4.43%	12.7%
2033	4.37%	12.4%
2032	4.31%	12.2%
2031	4.26%	11.9%
2030	4.21%	11.6%
2029	4.15%	11.3%
2028	4.09%	11%
2027	4.03%	10.7%
2026	3.97%	10.5%
2025	3.92%	10.3%
2024	3.9%	10.2%
2023	3.87%	9.98%
2022	3.85%	9.74%
2021	3.83%	9.53%
2020	3.84%	9.33%
2019	3.82%	9.1%
2018	3.74%	8.88%
2017	3.67%	8.65%
2016	3.61%	8.45%
2015	3.57%	8.26%
2014	3.56%	8.08%
2013	3.56%	7.92%
2012	3.58%	7.78%
2011	3.63%	7.66%
2010	3.69%	7.58%
2009	3.76%	7.52%
2008	3.84%	7.47%
2007	3.91%	7.41%
2006	3.97%	7.34%
2005	4.02%	7.26%
2004	4.06%	7.18%
2003	4.1%	7.1%
2002	4.14%	7.01%
2001	4.2%	6.92%
2000	4.24%	6.84%
1999	4.24%	6.76%
1998	4.25%	6.68%
1997	4.26%	6.61%
1996	4.25%	6.53%
1995	4.25%	6.45%
1994	4.24%	6.37%
1993	4.22%	6.29%
1992	4.2%	6.21%
1991	4.19%	6.14%
1990	4.2%	6.07%
1989	4.25%	6.01%
1988	4.3%	5.95%
1987	4.35%	5.91%
1986	4.4%	5.86%
1985	4.45%	5.82%
1984	4.48%	5.8%
1983	4.5%	5.79%
1982	4.52%	5.8%
1981	4.5%	5.81%
1980	4.44%	5.81%
1979	4.43%	5.77%
1978	4.47%	5.71%
1977	4.52%	5.65%
1976	4.57%	5.59%
1975	4.59%	5.53%
1974	4.61%	5.47%
1973	4.61%	5.42%
1972	4.6%	5.37%
1971	4.58%	5.32%
1970	4.59%	5.28%
1969	4.57%	5.24%
1968	4.48%	5.2%
1967	4.4%	5.16%
1966	4.31%	5.12%
1965	4.2%	5.08%
1964	4.09%	5.04%
1963	3.97%	5.02%
1962	3.84%	5.01%
1961	3.71%	4.99%
1960	3.62%	4.97%

The share of older people aged 65 and over in Sao Tome and Principe decreased from 4.06% to 3.9% between 2004 and 2024.

Median age map

+ -

1x