Median age in Sao Tome and Principe
Sao Tome and Principe: Median age was 19.05 in 2023. ▼ Falling
Latest (2023)
19.05
Change on year
up 1.0%
World rank
202nd
of 236 countries
All-time high
23.8
in 1951
All-time low
15.74
in 1970
Years of data
74
1950–2023
Median age in Sao Tome and Principe, 1950–2023
Source: Our World in Data.
Analysis
Sao Tome and Principe recorded 19.05 for median age in 2023.
That represents a change of up 1.0% on the previous year and up 6.9% over ten years.
Over the whole period, median age in Sao Tome and Principe peaked at 23.8 in 1951 and was at its lowest, 15.74, 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 in Sao Tome and Principe, year by year
| Year | Value | Change |
|---|---|---|
| 1950 | 23.7 | — |
| 1951 | 23.8 | +0.4% |
| 1952 | 23.76 | -0.2% |
| 1953 | 23.66 | -0.4% |
| 1954 | 23.42 | -1.0% |
| 1955 | 23.06 | -1.5% |
| 1956 | 22.69 | -1.6% |
| 1957 | 22.53 | -0.7% |
| 1958 | 22.61 | +0.4% |
| 1959 | 22.87 | +1.1% |
| 1960 | 23.26 | +1.7% |
| 1961 | 23.42 | +0.7% |
| 1962 | 23.24 | -0.8% |
| 1963 | 22.8 | -1.9% |
| 1964 | 21.84 | -4.2% |
| 1965 | 20.08 | -8.0% |
| 1966 | 18.44 | -8.2% |
| 1967 | 17.35 | -5.9% |
| 1968 | 16.57 | -4.5% |
| 1969 | 15.99 | -3.5% |
| 1970 | 15.74 | -1.6% |
| 1971 | 15.77 | +0.2% |
| 1972 | 15.84 | +0.5% |
| 1973 | 15.9 | +0.4% |
| 1974 | 15.95 | +0.3% |
| 1975 | 15.99 | +0.3% |
| 1976 | 16.03 | +0.2% |
| 1977 | 16.06 | +0.2% |
| 1978 | 16.09 | +0.2% |
| 1979 | 16.13 | +0.3% |
| 1980 | 16.19 | +0.3% |
| 1981 | 16.26 | +0.5% |
| 1982 | 16.28 | +0.1% |
| 1983 | 16.26 | -0.1% |
| 1984 | 16.27 | +0.1% |
| 1985 | 16.32 | +0.3% |
| 1986 | 16.4 | +0.5% |
| 1987 | 16.45 | +0.3% |
| 1988 | 16.4 | -0.3% |
| 1989 | 16.31 | -0.5% |
| 1990 | 16.25 | -0.4% |
| 1991 | 16.17 | -0.5% |
| 1992 | 16.1 | -0.4% |
| 1993 | 16.07 | -0.2% |
| 1994 | 16.06 | -0.0% |
| 1995 | 16.1 | +0.2% |
| 1996 | 16.16 | +0.4% |
| 1997 | 16.27 | +0.6% |
| 1998 | 16.4 | +0.8% |
| 1999 | 16.57 | +1.0% |
| 2000 | 16.78 | +1.2% |
| 2001 | 16.95 | +1.0% |
| 2002 | 17.1 | +0.9% |
| 2003 | 17.26 | +0.9% |
| 2004 | 17.39 | +0.8% |
| 2005 | 17.5 | +0.6% |
| 2006 | 17.57 | +0.4% |
| 2007 | 17.62 | +0.3% |
| 2008 | 17.65 | +0.2% |
| 2009 | 17.69 | +0.2% |
| 2010 | 17.75 | +0.3% |
| 2011 | 17.8 | +0.3% |
| 2012 | 17.83 | +0.1% |
| 2013 | 17.83 | +0.0% |
| 2014 | 17.85 | +0.1% |
| 2015 | 17.89 | +0.2% |
| 2016 | 17.95 | +0.3% |
| 2017 | 18.04 | +0.5% |
| 2018 | 18.16 | +0.7% |
| 2019 | 18.32 | +0.9% |
| 2020 | 18.49 | +0.9% |
| 2021 | 18.68 | +1.0% |
| 2022 | 18.87 | +1.0% |
| 2023 | 19.05 | +1.0% |
Sao Tome and Principe compared with similar countries
- Sao Tome and Principe's 19.05 is below the median for lower middle income countries, which is 21.43, 89% of the median. (47 countries reporting)
- Sao Tome and Principe's 19.05 is above the median for Sub-Saharan Africa, which is 18.22, 1.0× the median. (48 countries reporting)
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1950s | 23.21 | 22.53 | 23.8 | 10 |
| 1960s | 20.3 | 15.99 | 23.42 | 10 |
| 1970s | 15.95 | 15.74 | 16.13 | 10 |
| 1980s | 16.31 | 16.19 | 16.45 | 10 |
| 1990s | 16.21 | 16.06 | 16.57 | 10 |
| 2000s | 17.35 | 16.78 | 17.69 | 10 |
| 2010s | 17.94 | 17.75 | 18.32 | 10 |
| 2020s | 18.77 | 18.49 | 19.05 | 4 |
Countries ranked near Sao Tome and Principe
- 199 Rwanda 19.44 compare
- 200 Sierra Leone 19.27 compare
- 201 Senegal 19.13 compare
- 203 Guinea-Bissau 18.94 compare
- 204 Madagascar 18.88 compare
- 205 Ethiopia 18.73 compare
More reference data data for Sao Tome and Principe
- Emission Totals - Indirect emissions (N2O) - Manure applied to Soils 0.0038 (2050)
- Emission Totals - Indirect emissions (N2O) - Manure left on Pasture 0.006 (2050)
- Emission Totals - Indirect emissions (N2O) - IPCC Agriculture 0.01 (2050)
- Emission Totals - Indirect emissions (N2O) - Crop Residues 0.0003 (2050)
- Emission Totals - Indirect emissions (N2O) - Agricultural Soils 0.01 (2050)
- Emission Totals - Emissions (N2O) - Manure applied to Soils 0.0126 (2050)
- Emission Totals - Emissions (N2O) - Manure Management 0.014 (2050)
- Emission Totals - Emissions (N2O) - Manure left on Pasture 0.0319 (2050)
- Emission Totals - Emissions (N2O) - IPCC Agriculture 0.0601 (2050)
- Emission Totals - Emissions (N2O) - Crop Residues 0.0015 (2050)
Frequently asked questions
- What is median age in Sao Tome and Principe?
- Median age in Sao Tome and Principe was 19.05 in 2023, according to Our World in Data.
- What is the highest median age recorded in Sao Tome and Principe?
- The highest recorded value was 23.8 in 1951.
- What is the lowest median age recorded in Sao Tome and Principe?
- The lowest recorded value was 15.74 in 1970.
- How does Sao Tome and Principe rank for median age?
- Sao Tome and Principe ranks 202nd out of 236 countries with data for 2023.
- Is median age 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 Our World in Data, published as part of Median age. Statizoid updates them automatically from the source API.
Download this data
CSV · JSON — 74 observations, free to reuse under CC BY 4.0 (Our World in Data).