STP · ST · United Nations WPP 2024 · 2026
Sao Tome and Principe
Sao Tome and Principe had a population of 244,994 people in 2026, ranking 188 of 237 countries and areas. Explore its age pyramid, trends and demographic indicators.
Source: United Nations World Population Prospects 2024, medium variant.
- Total population
- 244,994 people 2026 · Projection
- Rank
- #188/ 237 Africa #56 / 58
- Share of world population
- 0.00% 2026
- Density
- 255.2 people/km² 2026
- Median age
- 19.7 years
- Life expectancy
- 70.26 years
Country or area overview
Sao Tome and Principe is in Africa. In 2026, its population was 244,994 people, about 0.00% of the world total. It ranks #188 of 237 countries and areas worldwide. The population was 60,874 people in 1950 and is projected to reach 534,014 people in 2100. The annual population growth rate in 2026 is 1.94%. The median age is 19.7. 37.2% of the population is under 15 and 4.0% is 65 or older. Life expectancy is 70.26 and the total fertility rate is 3.47. Within Africa, it ranks #56 of 58 by population and #11 of 58 by population density. Data note This page uses the UN World Population Prospects 2024 medium variant. Data for 1950–2023 are estimates; 2024 onward, including 2026, are projections. Values for 2100 are long-range projections.
Sao Tome and Principe map
Country outline and its location in the world.
World location
Boundaries: Natural Earth 1:50m.
Population history and projection
Population from 1950 to 2100. The dashed section shows the UN medium-variant projection from 2024 onward.
Age group · 2026
Population age pyramid
Male and female population by five-year age group. Move the year slider to compare 1950, today and the 2100 projection.
Age-group data
| Age group | Male | Female | Total | Share |
|---|---|---|---|---|
| 0–4 | 16,295 | 15,882 | 32,177 | 13.13% |
| 5–9 | 14,845 | 14,575 | 29,420 | 12.01% |
| 10–14 | 14,764 | 14,691 | 29,455 | 12.02% |
| 15–19 | 13,790 | 13,838 | 27,628 | 11.28% |
| 20–24 | 11,973 | 12,373 | 24,346 | 9.94% |
| 25–29 | 9,050 | 9,456 | 18,506 | 7.55% |
| 30–34 | 7,314 | 7,461 | 14,775 | 6.03% |
| 35–39 | 6,484 | 6,705 | 13,189 | 5.38% |
| 40–44 | 6,558 | 6,670 | 13,228 | 5.40% |
| 45–49 | 5,746 | 5,742 | 11,488 | 4.69% |
| 50–54 | 4,486 | 4,322 | 8,808 | 3.60% |
| 55–59 | 3,466 | 3,353 | 6,819 | 2.78% |
| 60–64 | 2,577 | 2,782 | 5,359 | 2.19% |
| 65–69 | 1,863 | 2,073 | 3,936 | 1.61% |
| 70–74 | 1,182 | 1,415 | 2,597 | 1.06% |
| 75–79 | 675 | 881 | 1,556 | 0.64% |
| 80–84 | 373 | 618 | 991 | 0.40% |
| 85–89 | 182 | 363 | 545 | 0.22% |
| 90–94 | 47 | 104 | 151 | 0.06% |
| 95–99 | 6 | 16 | 22 | 0.01% |
| 100+ | 0 | 1 | 1 | 0.00% |
Demographic indicators
UN WPP 2024 indicators for 2026.
| Indicator | 2026 | Projection for 2100 | Unit |
|---|---|---|---|
| Total population | 244,994 people | 534,014 people | people |
| Male population | 121,674 people | 262,998 people | people |
| Female population | 123,320 people | 271,015 people | people |
| Population density | 255.2 people/km² | 556.3 people/km² | people/km² |
| Sex ratio | 98.7 | 97.0 | males per 100 females |
| Median age | 19.7 | 37.3 | years |
| Natural change | 5,442 | 2,107 | people |
| Natural change rate | 22.21 ‰ | 3.95 ‰ | ‰ |
| Population change | 4,747 | 1,323 | people |
| Population growth rate | 1.94% | 0.25% | % |
| Population doubling time | 35.8 | — | years |
| Births | 6,777 people | 6,804 people | people |
| Births to women aged 15–19 | 1,146 | 338 | people |
| Birth rate | 27.66 ‰ | 12.74 ‰ | ‰ |
| Total fertility rate | 3.47 | 1.97 | children per woman |
| Net reproduction rate | 1.659 | 0.964 | |
| Mean age at childbearing | 28.42 | 29.32 | years |
| Sex ratio at birth | 102.7 | 102.7 | males per 100 females |
| Deaths | 1,335 people | 4,697 people | people |
| Male deaths | 787 | 2,365 | people |
| Female deaths | 548 | 2,332 | people |
| Death rate | 5.45 ‰ | 8.80 ‰ | ‰ |
| Life expectancy at birth | 70.26 | 81.63 | years |
| Male life expectancy at birth | 66.74 | 79.28 | years |
| Female life expectancy at birth | 74.26 | 83.97 | years |
| Life expectancy at age 15 | 56.38 | 66.94 | years |
| Life expectancy at age 65 | 14.48 | 20.68 | years |
| Life expectancy at age 80 | 6.64 | 9.87 | years |
| Infant deaths | 70 | 15 | people |
| Infant mortality rate | 10.28 ‰ | 2.25 ‰ | ‰ |
| Survivors to age 1 | 6,716 | 6,791 | people |
| Deaths under age 5 | 83 | 19 | people |
| Under-5 mortality rate | 12.30 ‰ | 2.85 ‰ | ‰ |
| Net migration | -691 | -779 | people |
| Net migration rate | -2.82 ‰ | -1.46 ‰ | ‰ |
Frequently asked questions
- What is the population of Sao Tome and Principe?
- In 2026, Sao Tome and Principe had a population of 244,994 people. It ranks #188 of 237 countries and areas worldwide.
- How has the population of Sao Tome and Principe changed?
- The population was 60,874 people in 1950 and is projected to reach 534,014 people in 2100.
- What is the age structure of Sao Tome and Principe?
- The median age is 19.7. 37.2% of the population is under 15 and 4.0% is 65 or older.
- How does Sao Tome and Principe compare within Africa?
- By total population, Sao Tome and Principe ranks #56 of 58 in Africa and #188 of 237 worldwide.
Estimates cover 1950–2023; 2024 and later are UN medium-variant projections. Rankings use the latest available value for the selected year. The world total is the sum of all countries and areas in the dataset.