Age dependency ratio, young in Sao Tome and Principe
Sao Tome and Principe: Age dependency ratio, young was 63.9% in 2025. ▼ Falling
Age dependency ratio, young in Sao Tome and Principe, 1960–2025
Source: World Population Prospects, United Nations (UN), publisher: UN Population Division. Measured in % of working-age population.
Analysis
The most recent figure for age dependency ratio, young in Sao Tome and Principe is 63.9%, measured in 2025.
That represents a change of down 1.5% on the previous year and down 16.9% over ten years.
Over the whole period, age dependency ratio, young in Sao Tome and Principe peaked at 93.7% in 1970 and was at its lowest, 51.8%, in 1960.
Sao Tome and Principe ranks 38th of 218 countries on this measure, in the top quarter.
The long-run direction has been consistently falling across the 66 years of available data.
Age dependency ratio, young in Sao Tome and Principe, year by year
| Year | % of working-age population | Change |
|---|---|---|
| 1960 | 51.8% | — |
| 1961 | 55.3% | +6.9% |
| 1962 | 61.4% | +10.9% |
| 1963 | 67.0% | +9.1% |
| 1964 | 72.1% | +7.7% |
| 1965 | 76.9% | +6.6% |
| 1966 | 81.2% | +5.7% |
| 1967 | 85.2% | +4.9% |
| 1968 | 88.8% | +4.3% |
| 1969 | 92.2% | +3.8% |
| 1970 | 93.7% | +1.6% |
| 1971 | 93.3% | -0.5% |
| 1972 | 92.6% | -0.7% |
| 1973 | 92.1% | -0.6% |
| 1974 | 91.7% | -0.5% |
| 1975 | 91.3% | -0.4% |
| 1976 | 90.9% | -0.5% |
| 1977 | 90.4% | -0.5% |
| 1978 | 89.9% | -0.6% |
| 1979 | 89.3% | -0.6% |
| 1980 | 88.7% | -0.7% |
| 1981 | 87.9% | -0.9% |
| 1982 | 87.5% | -0.5% |
| 1983 | 87.2% | -0.3% |
| 1984 | 86.8% | -0.5% |
| 1985 | 87.0% | +0.3% |
| 1986 | 87.8% | +0.9% |
| 1987 | 88.3% | +0.6% |
| 1988 | 88.6% | +0.3% |
| 1989 | 88.8% | +0.2% |
| 1990 | 88.9% | +0.1% |
| 1991 | 89.1% | +0.2% |
| 1992 | 89.3% | +0.3% |
| 1993 | 89.3% | -0.0% |
| 1994 | 88.9% | -0.4% |
| 1995 | 88.3% | -0.7% |
| 1996 | 87.4% | -1.0% |
| 1997 | 86.2% | -1.4% |
| 1998 | 84.6% | -1.8% |
| 1999 | 82.7% | -2.2% |
| 2000 | 80.8% | -2.4% |
| 2001 | 79.6% | -1.5% |
| 2002 | 79.1% | -0.6% |
| 2003 | 78.6% | -0.6% |
| 2004 | 78.2% | -0.5% |
| 2005 | 77.9% | -0.4% |
| 2006 | 77.7% | -0.3% |
| 2007 | 77.7% | -0.1% |
| 2008 | 77.7% | +0.1% |
| 2009 | 77.7% | -0.0% |
| 2010 | 77.5% | -0.3% |
| 2011 | 77.2% | -0.5% |
| 2012 | 77.1% | -0.1% |
| 2013 | 77.3% | +0.2% |
| 2014 | 77.2% | -0.0% |
| 2015 | 76.9% | -0.4% |
| 2016 | 76.2% | -0.9% |
| 2017 | 75.2% | -1.3% |
| 2018 | 74.0% | -1.6% |
| 2019 | 72.7% | -1.9% |
| 2020 | 71.0% | -2.2% |
| 2021 | 69.3% | -2.5% |
| 2022 | 67.6% | -2.4% |
| 2023 | 66.2% | -2.1% |
| 2024 | 64.9% | -1.9% |
| 2025 | 63.9% | -1.5% |
Averages by decade
| Decade | Average | Lowest | Highest | Years |
|---|---|---|---|---|
| 1960s | 73.2% | 51.8% | 92.2% | 10 |
| 1970s | 91.5% | 89.3% | 93.7% | 10 |
| 1980s | 87.9% | 86.8% | 88.8% | 10 |
| 1990s | 87.5% | 82.7% | 89.3% | 10 |
| 2000s | 78.5% | 77.7% | 80.8% | 10 |
| 2010s | 76.1% | 72.7% | 77.5% | 10 |
| 2020s | 67.2% | 63.9% | 71.0% | 6 |
Countries ranked near Sao Tome and Principe
- 35 South Sudan 64.5% compare
- 36 Senegal 64.4% compare
- 37 Palestine, State of 64.2% compare
- 39 Sierra Leone 63.7% compare
- 40 Comoros 62.8% compare
- 41 Rwanda 62.8% compare
More health data for Sao Tome and Principe
- Un projection of annual infant deaths, annual growth rate -6.25 % change on previous year (2100)
- Heat deaths vs projected death rates, annual growth rate 1.35 % change on previous year (2090)
- Estimated changes in temperature-related death rates compared to projected death rates 793.5 deaths per 1,000 people (2090)
- Number of infants who die before age 1 15 deaths (2100)
- Population ages 05-09, female, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 05-09, female, per capita 0.0604 units per person (2025)
- Population ages 05-09, male, annual growth rate 0.1905 % change on previous year (2025)
- Population ages 05-09, male, per unit of GDP 0 units per US$ of GDP (2025)
- Population ages 05-09, male, per capita 0.0613 units per person (2025)
- Population ages 10-14, female, annual growth rate 1.24 % change on previous year (2025)
Frequently asked questions
- What is age dependency ratio, young in Sao Tome and Principe?
- Age dependency ratio, young in Sao Tome and Principe was 63.9% in 2025, according to World Population Prospects, United Nations (UN), publisher: UN Population Division.
- What is the highest age dependency ratio, young recorded in Sao Tome and Principe?
- The highest recorded value was 93.7% in 1970.
- What is the lowest age dependency ratio, young recorded in Sao Tome and Principe?
- The lowest recorded value was 51.8% in 1960.
- How does Sao Tome and Principe rank for age dependency ratio, young?
- Sao Tome and Principe ranks 38th out of 218 countries with data for 2025.
- Is age dependency ratio, young rising or falling in Sao Tome and Principe?
- Over the last ten years it is down 16.9%. The long-run trend across the full record is falling.
- Where does this Sao Tome and Principe data come from?
- The figures come from World Population Prospects, United Nations (UN), publisher: UN Population Division, published as part of Age dependency ratio, young (% of working-age population). Statizoid updates them automatically from the source API.
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About this data
Age dependency ratio, young, is the ratio of younger dependents--people younger than 15--to the working-age population--those ages 15-64. Data are shown as the proportion of dependents per 100 working-age population.