The population of Sao Tome and Principe is expected to grow by 5,000 in 2024 and reach 242,000 in 2025. Migration (including immigration and emigration) decreases population by 951 people yearly. The population density of Sao Tome and Principe has changed from 98.9 in 1980 to 237.0 in 2022.
| Current population | 238,575 people at present (Wednesday 24th of April 2024) | |
| Median Age | 23.6 years |
| Population density | 247.2 per km2 |
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2024 | 237,000 | 5,000 (2.1%) | -951 | 23.6 | 247 | 164,000 (69.1%) | |
| 2023 | 232,000 | 5,000 (2.2%) | -951 | 23.5 | 242 | 160,000 (68.8%) | |
| 2022 | 227,000 | 4,000 (1.8%) | -951 | 23.3 | 237 | 156,000 (68.4%) | |
| 2021 | 223,000 | 5,000 (2.2%) | -951 | 23.3 | 232 | 151,000 (68.0%) | |
| 2020 | 218,000 | 5,000 (2.3%) | -951 | 23.1 | 4.22 | 227 | 147,000 (67.6%) |
| 2019 | 0 | 0 (0.0%) | -1,000 | 22.8 | 4.28 | 222 | 143,000 (67.1%) |
| 2018 | 0 | 0 (0.0%) | -1,000 | 22.8 | 4.34 | 218 | 139,000 (66.7%) |
| 2017 | 0 | 0 (0.0%) | -1,000 | 22.6 | 4.40 | 213 | 135,000 (66.2%) |
| 2016 | 0 | 0 (0.0%) | -1,000 | 22.6 | 4.46 | 208 | 131,235 (65.6%) |
| 2015 | 195,553 | 4,287 (2.2%) | -1,000 | 22.5 | 4.52 | 204 | 127,289 (65.1%) |
| 2010 | 174,776 | 3,963 (2.3%) | -1,120 | 22.1 | 4.79 | 182 | 108,199 (61.9%) |
| 2005 | 155,630 | 3,661 (2.4%) | -1,120 | 21.9 | 5.02 | 162 | 90,281 (58.0%) |
| 2000 | 138,606 | 2,720 (2.0%) | -1,120 | 22.0 | 5.28 | 144 | 74,049 (53.4%) |
| 1995 | 126,454 | 2,481 (2.0%) | -1,659 | 21.8 | 5.55 | 132 | 61,496 (48.6%) |
| 1990 | 113,893 | 2,266 (2.0%) | -1,120 | 22.1 | 5.82 | 119 | 49,712 (43.6%) |
| 1985 | 103,634 | 1,719 (1.7%) | -1,200 | 22.4 | 6.10 | 108 | 39,432 (38.0%) |
| 1980 | 94,949 | 2,300 (2.4%) | -1,200 | 22.7 | 6.39 | 99 | 31,791 (33.5%) |
| 1975 | 82,607 | 1,937 (2.3%) | -244 | 22.2 | 6.53 | 86 | 26,136 (31.6%) |
| 1970 | 74,253 | 2,012 (2.7%) | -502 | 22.6 | 6.47 | 77 | 21,918 (29.5%) |
| 1965 | 64,796 | 584 (0.9%) | -149 | 23.1 | 6.35 | 67 | 14,147 (21.8%) |
| 1960 | 64,253 | 298 (0.5%) | -1,830 | 25.9 | 6.24 | 67 | 10,327 (16.1%) |
In 2023 the population of Sao Tome and Principe was 232,000 and the average age decreased from 25.9 in 1960 to 23.5. Urban population has increased from 74,049 (53.4%) in 2000 to 164,000 (69.1%) in the current year. The population density of Sao Tome and Principe has changed from 98.9 in 1980 to 237.0 in 2022.
| Year | Population | Year change | Migrants | Median age | Fertility rate | Density (Ppl/km2) | Urban population |
|---|---|---|---|---|---|---|---|
| 2020 | 0 | 0 (0.0%) | -951 | 23.1 | 4.22 | 227 | 147,000 (67.6%) |
| 2025 | 242,000 | 5,000 (2.1%) | -900 | 23.8 | 3.95 | 252 | 168,000 (69.5%) |
| 2030 | 268,000 | 5,000 (1.9%) | -900 | 24.6 | 3.71 | 280 | 190,000 (70.8%) |
| 2035 | 296,000 | 6,000 (2.0%) | -900 | 25.6 | 3.49 | 308 | 213,000 (72.0%) |
| 2040 | 324,000 | 6,000 (1.9%) | -900 | 26.4 | 3.31 | 337 | 237,000 (73.2%) |
| 2045 | 352,000 | 6,000 (1.7%) | -900 | 27.3 | 3.14 | 367 | 262,000 (74.4%) |
| 2050 | 380,000 | 6,000 (1.6%) | -900 | 28.4 | 3.00 | 396 | 287,000 (75.5%) |
The life expectancy at birth should reach 70.5 (67.8 years for male and 73.4 years for females). Population density will go up to 395.6 people per square kilometer.
The demographics of Sao Tome and Principe constitutes of 119,000 women and 118,000 men, which means there are 992 men per 1000 women. As far as age distribution goes, 51.9% of population (123,003) is 19 or younger, 45.8% of population (108,641) is between age 20 and 64 and 3.0% of population (7,015) is over 65.