Statizoid

Median age vs. births per woman in Sao Tome and Principe

Sao Tome and Principe: Median age vs. births per woman was 19.05 years in 2023. ▼ Falling

Latest (2023)
19.05 years
Change on year
up 1.0%
World rank
202nd
of 236 countries
All-time high
23.8 years
in 1951
All-time low
15.74 years
in 1970
Years of data
74
1950–2023

Median age vs. births per woman in Sao Tome and Principe, 1950–2023

0510152025195019862023

Source: UN, World Population Prospects (2024) – processed by Our World in Data. Measured in years.

Analysis

Sao Tome and Principe recorded 19.05 years for median age vs. births per woman in 2023.

The figure is up 1.0% on the previous year and up 6.9% over ten years.

Over the whole period, median age vs. births per woman in Sao Tome and Principe peaked at 23.8 years in 1951 and was at its lowest, 15.74 years, in 1970.

That places Sao Tome and Principe 202nd out of 236 countries with data for 2023, putting it in the bottom quarter.

The long-run direction has been consistently falling across the 74 years of available data.

Median age vs. births per woman in Sao Tome and Principe, year by year

Year years Change
1950 23.7 years —
1951 23.8 years +0.4%
1952 23.76 years -0.2%
1953 23.66 years -0.4%
1954 23.42 years -1.0%
1955 23.06 years -1.5%
1956 22.69 years -1.6%
1957 22.53 years -0.7%
1958 22.61 years +0.4%
1959 22.87 years +1.1%
1960 23.26 years +1.7%
1961 23.42 years +0.7%
1962 23.24 years -0.8%
1963 22.8 years -1.9%
1964 21.84 years -4.2%
1965 20.08 years -8.0%
1966 18.44 years -8.2%
1967 17.35 years -5.9%
1968 16.57 years -4.5%
1969 15.99 years -3.5%
1970 15.74 years -1.6%
1971 15.77 years +0.2%
1972 15.84 years +0.5%
1973 15.9 years +0.4%
1974 15.95 years +0.3%
1975 15.99 years +0.3%
1976 16.03 years +0.2%
1977 16.06 years +0.2%
1978 16.09 years +0.2%
1979 16.13 years +0.3%
1980 16.19 years +0.3%
1981 16.26 years +0.5%
1982 16.28 years +0.1%
1983 16.26 years -0.1%
1984 16.27 years +0.1%
1985 16.32 years +0.3%
1986 16.4 years +0.5%
1987 16.45 years +0.3%
1988 16.4 years -0.3%
1989 16.31 years -0.5%
1990 16.25 years -0.4%
1991 16.17 years -0.5%
1992 16.1 years -0.4%
1993 16.07 years -0.2%
1994 16.06 years -0.0%
1995 16.1 years +0.2%
1996 16.16 years +0.4%
1997 16.27 years +0.6%
1998 16.4 years +0.8%
1999 16.57 years +1.0%
2000 16.78 years +1.2%
2001 16.95 years +1.0%
2002 17.1 years +0.9%
2003 17.26 years +0.9%
2004 17.39 years +0.8%
2005 17.5 years +0.6%
2006 17.57 years +0.4%
2007 17.62 years +0.3%
2008 17.65 years +0.2%
2009 17.69 years +0.2%
2010 17.75 years +0.3%
2011 17.8 years +0.3%
2012 17.83 years +0.1%
2013 17.83 years +0.0%
2014 17.85 years +0.1%
2015 17.89 years +0.2%
2016 17.95 years +0.3%
2017 18.04 years +0.5%
2018 18.16 years +0.7%
2019 18.32 years +0.9%
2020 18.49 years +0.9%
2021 18.68 years +1.0%
2022 18.87 years +1.0%
2023 19.05 years +1.0%

Averages by decade

DecadeAverage LowestHighest Years
1950s 23.21 years 22.53 years 23.8 years 10
1960s 20.3 years 15.99 years 23.42 years 10
1970s 15.95 years 15.74 years 16.13 years 10
1980s 16.31 years 16.19 years 16.45 years 10
1990s 16.21 years 16.06 years 16.57 years 10
2000s 17.35 years 16.78 years 17.69 years 10
2010s 17.94 years 17.75 years 18.32 years 10
2020s 18.77 years 18.49 years 19.05 years 4

Countries ranked near Sao Tome and Principe

  1. 199 Rwanda 19.44 years compare
  2. 200 Sierra Leone 19.27 years compare
  3. 201 Senegal 19.13 years compare
  4. 203 Guinea-Bissau 18.94 years compare
  5. 204 Madagascar 18.88 years compare
  6. 205 Ethiopia 18.73 years compare

See the full ranking of 236 places →

More population data for Sao Tome and Principe

All data for Sao Tome and Principe →

Frequently asked questions

What is median age vs. births per woman in Sao Tome and Principe?
Median age vs. births per woman in Sao Tome and Principe was 19.05 years in 2023, according to UN, World Population Prospects (2024) – processed by Our World in Data.
What is the highest median age vs. births per woman recorded in Sao Tome and Principe?
The highest recorded value was 23.8 years in 1951.
What is the lowest median age vs. births per woman recorded in Sao Tome and Principe?
The lowest recorded value was 15.74 years in 1970.
How does Sao Tome and Principe rank for median age vs. births per woman?
Sao Tome and Principe ranks 202nd out of 236 countries with data for 2023.
Is median age vs. births per woman rising or falling in Sao Tome and Principe?
Over the last ten years it is up 6.9%. The long-run trend across the full record is falling.
Where does this Sao Tome and Principe data come from?
The figures come from UN, World Population Prospects (2024) – processed by Our World in Data, published as part of Median age vs. births per woman. Statizoid updates them automatically from the source API.

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Median age vs. births per woman in Sao Tome and Principe. Statizoid, drawing on UN, World Population Prospects (2024) – processed by Our World in Data. Retrieved 02 September 2026, from https://population.statizoid.com/stat/median-age-vs-births-per-woman/sao-tome-and-principe/

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About this data

Indicator
Median age vs. births per woman
Unit
years
Source
UN, World Population Prospects (2024) – processed by Our World in Data
Licence
CC BY 4.0 (Our World in Data)
Coverage
236 places, 17,464 data points, 1950–2023
Last refreshed

Age that divides the population into two halves of equal size — half are younger and half are older.