| Region | Middle Africa | |
| Population (000, 2025) | 240a | |
| Pop. density (per km2, 2025) | 250.3a | |
| Capital city | Sao Tome | |
| Capital city pop. (000, 2025) | 80.1c | |
| UN membership date | 16 September 1975 | |
| Surface area (km2) | 964b | |
| Sex ratio (m per 100 f) | 98.7a | |
| National currency | Dobra (STN) | |
| Exchange rate (per US$) | 22b |
| 2015 | 2020 | 2025 | |
| GDP: Gross domestic product (million current US$) | 318 | 476 | 684b |
| GDP growth rate (annual %, const. 2015 prices) | 3.9 | 3.1 | 0.4b |
| GDP per capita (current US$) | 1 589.0 | 2 191.0 | 2 963.0b |
| Economy: Agriculture (% of Gross Value Added) | 12.2 | 14.3 | 13.4b |
| Economy: Industry (% of Gross Value Added) | 15.7 | 13.5 | 13.7b |
| Economy: Services and other activity (% of GVA) | 72.1 | 72.2 | 72.9b |
| Employment in agricultured (% of employed) | 13.3 | 11.7 | 11.1b |
| Employment in industryd (% of employed) | 21.9 | 22.8 | 22.7b |
| Employment in servicesd (% employed) | 64.8 | 65.5 | 66.2b |
| Unemploymentd (% of labour force) | 10.6 | 9.7 | 9.1 |
| Labour force participation rated (female/male pop. %) | 22.8 / 25.3 | 22.6 / 23.6 | 23.1 / 24.0 |
| CPI: Consumer Price Index (2010=100) | 154 | 219 | 339b |
| Agricultural production index (2014-2016=100) | 90 | 108 | 118b |
| International trade: exports (million current US$) | 9 | 12 | 3d,e |
| International trade: imports (million current US$) | 142 | 138 | 341d,e |
| International trade: balance (million current US$) | -133 | -126 | -338d,e |
| Balance of payments, current account (million US$) | -69 | -60 | -79f |
| 2015 | 2020 | 2025 | |
| Population growth rate (average annual %) | 1.7 | 2.2 | 2a |
| Urban population (% of total population) | 70.2 | 73.6g | ... |
| Urban population growth rate (average annual %) | 3.8h | ... | ... |
| Fertility rate, total (live births per woman) | 4.4 | 3.8 | 3.5a |
| Life expectancy at birth (females/males, years) | 69.3 / 63.1 | 72.0 / 64.6 | 74.1 / 66.6a |
| Population age distributioni (0-14/60+ years old, %) | 41.9 / 5.3 | 39.9 / 5.8 | 37.5 / 6.1a |
| International migrant stockj (000/% of total pop.) | 2.4 / 1.2 | 2.1 / 1.0 | 2.0 / 0.8e |
| Under five mortality rate (per 1000 live births) | 23.3 | 16.2 | 12.7a |
| Health: Current expenditurek (% of GDP) | 6.5 | 7.3 | 7.5f |
| Health: Physicians (per 1 000 pop.) | 0.3 | 0.5g | 0.5f |
| Education: Primary gross enrol. ratio (f/m per 100 pop.) | 104.6 / 111.0 | 110.3 / 117.6g | 104.1 / 113.6l |
| Education: Lowr. sec. gross enrol. ratio (f/m per 100 pop.) | 105.3 / 99.5 | 100.2 / 94.0g | 105.2 / 99.2l |
| Education: Upr. Sec. gross enrol. ratio (f/m per 100 pop.) | 62.6 / 56.3 | 61.3 / 53.6g | 77.5 / 66.1l |
| Intentional homicide rate (per 100 000 pop.) | 3.2m | ... | ... |
| Seats held by women in national parliaments (%) | 18.2 | 14.6n | 14.6n |
| 2015 | 2020 | 2025 | |
| Individuals using the Internetd (per 100 inhabitants) | 25.8 | 51.6 | 61.5b |
| Threatened species (number) | 81 | 108 | 147e |
| Forested area (% of land area) | 57.3 | 54.1 | 52.8f |
| CO2 emission estimates (million tons/tons per capita) | 0.1 / 0.7 | 0.1 / 0.7d | 0.1 / 0.6d,f |
| Energy production, primary (Petajoules) | 1 | 1 | 1f |
| Energy supply per capita (Gigajoules) | 15 | 14d | 13d,f |
| Tourist/visitor arrivals at national borders (000) | 26 | 11 | 15l |
| Important sites for terrestrial biodiversity protected (%) | 86.3 | 86.3 | 86.3e |
| Pop. using safely managed drinking water (urban/rural, %) | 38.3 / 22.3 | 40.1 / 23.6 | 40.3 / 23.8f |
| Pop. using safely managed sanitation (urban/rural, %) | 29.7 / 24.2 | 34.0 / 30.2 | 34.8 / 31.5f |
| Net Official Development Assist. received (% of GNI) | 18.63 | 19.56 | 14.21b |
| Footnotes |
| a | Projected est. (medium fertility variant). | |
| b | 2023 | |
| c | 2018 | |
| d | Estimate. | |
| e | 2024 | |
| f | 2022 | |
| g | 2019 | |
| h | Data refers to a 5-year period preceding the reference year. | |
| i | Calculated by the UN Statistics Division. | |
| j | Refers to foreign citizens. | |
| k | Based on calendar year (January 1 to December 31). | |
| l | 2021 | |
| m | 2011 | |
| n | Data at 1 January of the reporting year. |