Median age in Sao Tome and Principe
Sao Tome and Principe: Median age was 19.05 years in 2023. ▼ Falling
Median age in Sao Tome and Principe, 1950–2023
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 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 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.
Averages by decade
| Decade | Average | Lowest | Highest | 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
- 199 Rwanda 19.44 years compare
- 200 Sierra Leone 19.27 years compare
- 201 Senegal 19.13 years compare
- 203 Guinea-Bissau 18.94 years compare
- 204 Madagascar 18.88 years compare
- 205 Ethiopia 18.73 years compare
More reference data data for Sao Tome and Principe
- Number of child deaths per woman 0.0542 under-five deaths per woman (2024)
- Fertility rate vs. Human Development Index 3.64 live births per woman (2023)
- Fertility rate: births per woman 3.64 live births per woman (2023)
- Fertility rate: births per woman 3.64 live births per woman (2023)
- Human Development Index 0.637 (2023)
- Rule of Law - Governance estimate -0.3532 approx. -2.5 to +2.5 (2024)
- Rule of Law - Governance score 50.89 0-100 (2024)
- Voice and Accountability - Governance score 59.73 0-100 (2024)
- Voice and Accountability - Governance estimate 0.1647 approx. -2.5 to +2.5 (2024)
- Political Stability - Governance estimate 0.489 approx. -2.5 to +2.5 (2024)
Frequently asked questions
- What is median age in Sao Tome and Principe?
- Median age 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 recorded in Sao Tome and Principe?
- The highest recorded value was 23.8 years in 1951.
- What is the lowest median age 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?
- 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 UN, World Population Prospects (2024) – processed by 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).
About this data
The age that divides the population into two halves of equal size — half are younger and half are older.