The latest officially reported population of Sao Tome and Principe was 240,254 in 2025 vs 5,413,813 people in Slovakia in 2025. In 2026, based on the adjusted UN estimation, the current Sao Tome and Principe's population is 247,495 people compared to 5,376,239 in Slovakia.
Population statistics:
- Slovakia's population is 21.7 times bigger than Sao Tome and Principe's.
- Sao Tome and Principe is ranked the 176th most populous country in the world, while Slovakia is the 125th.
- The countries together account for 0.07% of the world: 0.003% for Sao Tome and Principe vs 0.06% for Slovakia.
- For the last 10 years, Sao Tome and Principe has had an average growth rate of +1.83% per year vs -0.008% in Slovakia.
- Since 2006, the population of Sao Tome and Principe has increased from 166K people to 247K (49.4% growth), while Slovakia has grown from 5.37M to 5.38M (0.06% growth).
Sao Tome and Principe vs Slovakia: population by year and forecast
| Year | Population | |
|---|---|---|
Sao Tome
|
Slovakia
|
|
| 2100 | 538,656 | 3,388,353 |
| 2099 | 537,257 | 3,410,527 |
| 2098 | 535,715 | 3,432,738 |
| 2097 | 534,052 | 3,454,958 |
| 2096 | 532,281 | 3,477,150 |
| 2095 | 530,505 | 3,499,531 |
| 2094 | 528,585 | 3,522,068 |
| 2093 | 526,572 | 3,544,820 |
| 2092 | 524,436 | 3,567,858 |
| 2091 | 522,255 | 3,591,243 |
| 2090 | 519,929 | 3,614,972 |
| 2089 | 517,542 | 3,639,184 |
| 2088 | 515,028 | 3,663,803 |
| 2087 | 512,499 | 3,688,979 |
| 2086 | 509,949 | 3,714,826 |
| 2085 | 507,271 | 3,741,361 |
| 2084 | 504,516 | 3,768,554 |
| 2083 | 501,611 | 3,796,482 |
| 2082 | 498,655 | 3,825,124 |
| 2081 | 495,622 | 3,854,574 |
| 2080 | 492,416 | 3,884,854 |
| 2079 | 489,178 | 3,915,890 |
| 2078 | 485,864 | 3,947,687 |
| 2077 | 482,385 | 3,980,420 |
| 2076 | 478,877 | 4,013,906 |
| 2075 | 475,315 | 4,048,115 |
| 2074 | 471,700 | 4,082,918 |
| 2073 | 468,051 | 4,118,344 |
| 2072 | 464,286 | 4,154,378 |
| 2071 | 460,447 | 4,190,678 |
| 2070 | 456,490 | 4,227,297 |
| 2069 | 452,388 | 4,264,100 |
| 2068 | 448,306 | 4,301,007 |
| 2067 | 444,092 | 4,337,728 |
| 2066 | 439,773 | 4,374,132 |
| 2065 | 435,502 | 4,410,344 |
| 2064 | 431,068 | 4,446,244 |
| 2063 | 426,645 | 4,481,639 |
| 2062 | 422,127 | 4,516,504 |
| 2061 | 417,629 | 4,550,644 |
| 2060 | 413,061 | 4,584,186 |
| 2059 | 408,522 | 4,616,990 |
| 2058 | 403,970 | 4,649,013 |
| 2057 | 399,359 | 4,680,116 |
| 2056 | 394,790 | 4,710,464 |
| 2055 | 390,100 | 4,739,960 |
| 2054 | 385,416 | 4,768,542 |
| 2053 | 380,685 | 4,796,670 |
| 2052 | 375,964 | 4,824,228 |
| 2051 | 371,143 | 4,851,216 |
| 2050 | 366,347 | 4,877,755 |
| 2049 | 361,542 | 4,903,974 |
| 2048 | 356,694 | 4,929,712 |
| 2047 | 351,813 | 4,955,205 |
| 2046 | 346,841 | 4,980,481 |
| 2045 | 341,791 | 5,005,547 |
| 2044 | 336,747 | 5,030,570 |
| 2043 | 331,669 | 5,055,426 |
| 2042 | 326,608 | 5,079,926 |
| 2041 | 321,551 | 5,104,270 |
| 2040 | 316,415 | 5,128,291 |
| 2039 | 311,237 | 5,151,796 |
| 2038 | 306,029 | 5,174,897 |
| 2037 | 300,834 | 5,197,430 |
| 2036 | 295,584 | 5,219,344 |
| 2035 | 290,361 | 5,240,519 |
| 2034 | 285,145 | 5,260,607 |
| 2033 | 279,952 | 5,279,808 |
| 2032 | 274,798 | 5,297,883 |
| 2031 | 269,704 | 5,314,815 |
| 2030 | 264,687 | 5,330,403 |
| 2029 | 259,670 | 5,344,463 |
| 2028 | 254,717 | 5,356,733 |
| 2027 | 249,827 | 5,367,421 |
| 2026 | 245,033 | 5,376,239 |
| 2025 | 240,254 | 5,413,813 |
| 2024 | 235,536 | 5,422,069 |
| 2023 | 230,871 | 5,426,740 |
| 2022 | 226,305 | 5,431,752 |
| 2021 | 221,961 | 5,447,247 |
| 2020 | 217,435 | 5,458,827 |
| 2019 | 213,392 | 5,454,147 |
| 2018 | 210,187 | 5,446,771 |
| 2017 | 206,970 | 5,439,232 |
| 2016 | 203,689 | 5,430,798 |
| 2015 | 200,291 | 5,423,801 |
| 2014 | 196,767 | 5,418,649 |
| 2013 | 193,148 | 5,413,393 |
| 2012 | 189,439 | 5,407,579 |
| 2011 | 185,649 | 5,398,384 |
| 2010 | 181,802 | 5,391,428 |
| 2009 | 177,853 | 5,386,406 |
| 2008 | 173,793 | 5,379,233 |
| 2007 | 169,700 | 5,374,622 |
| 2006 | 165,638 | 5,373,054 |
| 2005 | 161,639 | 5,372,807 |
| 2004 | 157,705 | 5,372,280 |
| 2003 | 153,814 | 5,373,374 |
| 2002 | 149,922 | 5,376,912 |
| 2001 | 146,375 | 5,378,867 |
| 2000 | 144,018 | 5,388,720 |
| 1999 | 142,442 | 5,396,020 |
| 1998 | 140,751 | 5,390,516 |
| 1997 | 138,922 | 5,383,291 |
| 1996 | 136,962 | 5,373,361 |
| 1995 | 134,895 | 5,361,999 |
| 1994 | 132,732 | 5,346,331 |
| 1993 | 130,467 | 5,325,305 |
| 1992 | 128,110 | 5,305,016 |
| 1991 | 125,697 | 5,303,294 |
| 1990 | 122,980 | 5,299,187 |
| 1989 | 119,979 | 5,275,942 |
| 1988 | 116,939 | 5,250,596 |
| 1987 | 113,919 | 5,222,840 |
| 1986 | 111,150 | 5,193,838 |
| 1985 | 108,658 | 5,161,768 |
| 1984 | 106,394 | 5,127,097 |
| 1983 | 104,380 | 5,091,971 |
| 1982 | 102,508 | 5,055,099 |
| 1981 | 100,615 | 5,016,105 |
| 1980 | 98,544 | 4,979,815 |
| 1979 | 96,252 | 4,938,973 |
| 1978 | 93,794 | 4,890,125 |
| 1977 | 91,301 | 4,840,501 |
| 1976 | 88,922 | 4,789,507 |
| 1975 | 86,708 | 4,739,105 |
| 1974 | 84,672 | 4,689,623 |
| 1973 | 82,798 | 4,641,445 |
| 1972 | 81,041 | 4,596,622 |
| 1971 | 79,330 | 4,557,449 |
| 1970 | 77,626 | 4,538,223 |
| 1969 | 76,083 | 4,518,607 |
| 1968 | 74,765 | 4,483,915 |
| 1967 | 73,596 | 4,449,367 |
| 1966 | 72,576 | 4,411,666 |
| 1965 | 71,680 | 4,370,983 |
| 1964 | 70,865 | 4,327,341 |
| 1963 | 70,112 | 4,282,017 |
| 1962 | 69,403 | 4,238,188 |
| 1961 | 68,707 | 4,191,667 |
| 1960 | 68,012 | 4,068,095 |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/sao-tome-and-principe/slovakia | CC BY 
From 2006 to 2016, the population of Sao Tome and Principe increased by 38,051 people (a 23% growth), while Slovakia gained 57,744 people (a 1.07% growth).
For the next 10 years, from 2016 to 2026, Sao Tome and Principe gained 43,806 people (a 21.5% growth), while Slovakia's population decreased by 54,559 people (a 1% decline).
Sao Tome and Principe was ranked 178th most populous country in 2006 and is 176th in 2026. Slovakia was ranked 110th in 2006 and ranked 125th now.
The UN's World Population Prospects forecasts that in 24 years (in 2050) Sao Tome and Principe's population will grow by 48% to 366,347 people with a rank change from 176th to 175th. The population of Slovakia will decrease by 9.27% to 4,877,755 people and rank change from 125th to 129th.
Sao Tome and Principe is projected to reach its peak in 2100 at 539K people, while Slovakia's population already peaked in 2020 at 5.46M people and is projected to decrease to 3.39M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Sao Tome
|
Slovakia
|
|
| 2100 | 0.26% | -0.65% |
| 2099 | 0.29% | -0.65% |
| 2098 | 0.31% | -0.64% |
| 2097 | 0.33% | -0.64% |
| 2096 | 0.33% | -0.64% |
| 2095 | 0.36% | -0.64% |
| 2094 | 0.38% | -0.64% |
| 2093 | 0.41% | -0.65% |
| 2092 | 0.42% | -0.65% |
| 2091 | 0.45% | -0.66% |
| 2090 | 0.46% | -0.67% |
| 2089 | 0.49% | -0.67% |
| 2088 | 0.49% | -0.68% |
| 2087 | 0.5% | -0.7% |
| 2086 | 0.53% | -0.71% |
| 2085 | 0.55% | -0.72% |
| 2084 | 0.58% | -0.74% |
| 2083 | 0.59% | -0.75% |
| 2082 | 0.61% | -0.76% |
| 2081 | 0.65% | -0.78% |
| 2080 | 0.66% | -0.79% |
| 2079 | 0.68% | -0.81% |
| 2078 | 0.72% | -0.82% |
| 2077 | 0.73% | -0.83% |
| 2076 | 0.75% | -0.85% |
| 2075 | 0.77% | -0.85% |
| 2074 | 0.78% | -0.86% |
| 2073 | 0.81% | -0.87% |
| 2072 | 0.83% | -0.87% |
| 2071 | 0.87% | -0.87% |
| 2070 | 0.91% | -0.86% |
| 2069 | 0.91% | -0.86% |
| 2068 | 0.95% | -0.85% |
| 2067 | 0.98% | -0.83% |
| 2066 | 0.98% | -0.82% |
| 2065 | 1.03% | -0.81% |
| 2064 | 1.04% | -0.79% |
| 2063 | 1.07% | -0.77% |
| 2062 | 1.08% | -0.75% |
| 2061 | 1.11% | -0.73% |
| 2060 | 1.11% | -0.71% |
| 2059 | 1.13% | -0.69% |
| 2058 | 1.15% | -0.66% |
| 2057 | 1.16% | -0.64% |
| 2056 | 1.2% | -0.62% |
| 2055 | 1.22% | -0.6% |
| 2054 | 1.24% | -0.59% |
| 2053 | 1.26% | -0.57% |
| 2052 | 1.3% | -0.56% |
| 2051 | 1.31% | -0.54% |
| 2050 | 1.33% | -0.53% |
| 2049 | 1.36% | -0.52% |
| 2048 | 1.39% | -0.51% |
| 2047 | 1.43% | -0.51% |
| 2046 | 1.48% | -0.5% |
| 2045 | 1.5% | -0.5% |
| 2044 | 1.53% | -0.49% |
| 2043 | 1.55% | -0.48% |
| 2042 | 1.57% | -0.48% |
| 2041 | 1.62% | -0.47% |
| 2040 | 1.66% | -0.46% |
| 2039 | 1.7% | -0.45% |
| 2038 | 1.73% | -0.43% |
| 2037 | 1.78% | -0.42% |
| 2036 | 1.8% | -0.4% |
| 2035 | 1.83% | -0.38% |
| 2034 | 1.85% | -0.36% |
| 2033 | 1.88% | -0.34% |
| 2032 | 1.89% | -0.32% |
| 2031 | 1.9% | -0.29% |
| 2030 | 1.93% | -0.26% |
| 2029 | 1.94% | -0.23% |
| 2028 | 1.96% | -0.2% |
| 2027 | 1.96% | -0.16% |
| 2026 | 1.99% | -0.69% |
| 2025 | 2% | -0.15% |
| 2024 | 2.02% | -0.09% |
| 2023 | 2.02% | -0.09% |
| 2022 | 1.96% | -0.28% |
| 2021 | 2.08% | -0.21% |
| 2020 | 1.89% | 0.09% |
| 2019 | 1.52% | 0.14% |
| 2018 | 1.55% | 0.14% |
| 2017 | 1.61% | 0.16% |
| 2016 | 1.7% | 0.13% |
| 2015 | 1.79% | 0.1% |
| 2014 | 1.87% | 0.1% |
| 2013 | 1.96% | 0.11% |
| 2012 | 2.04% | 0.17% |
| 2011 | 2.12% | 0.13% |
| 2010 | 2.22% | 0.09% |
| 2009 | 2.34% | 0.13% |
| 2008 | 2.41% | 0.09% |
| 2007 | 2.45% | 0.03% |
| 2006 | 2.47% | 0.005% |
| 2005 | 2.49% | 0.01% |
| 2004 | 2.53% | -0.02% |
| 2003 | 2.6% | -0.07% |
| 2002 | 2.42% | -0.04% |
| 2001 | 1.64% | -0.18% |
| 2000 | 1.11% | -0.14% |
| 1999 | 1.2% | 0.1% |
| 1998 | 1.32% | 0.13% |
| 1997 | 1.43% | 0.18% |
| 1996 | 1.53% | 0.21% |
| 1995 | 1.63% | 0.29% |
| 1994 | 1.74% | 0.39% |
| 1993 | 1.84% | 0.38% |
| 1992 | 1.92% | 0.03% |
| 1991 | 2.21% | 0.08% |
| 1990 | 2.5% | 0.44% |
| 1989 | 2.6% | 0.48% |
| 1988 | 2.65% | 0.53% |
| 1987 | 2.49% | 0.56% |
| 1986 | 2.29% | 0.62% |
| 1985 | 2.13% | 0.68% |
| 1984 | 1.93% | 0.69% |
| 1983 | 1.83% | 0.73% |
| 1982 | 1.88% | 0.78% |
| 1981 | 2.1% | 0.73% |
| 1980 | 2.38% | 0.83% |
| 1979 | 2.62% | 1% |
| 1978 | 2.73% | 1.03% |
| 1977 | 2.68% | 1.06% |
| 1976 | 2.55% | 1.06% |
| 1975 | 2.4% | 1.06% |
| 1974 | 2.26% | 1.04% |
| 1973 | 2.17% | 0.98% |
| 1972 | 2.16% | 0.86% |
| 1971 | 2.2% | 0.42% |
| 1970 | 2.03% | 0.43% |
| 1969 | 1.76% | 0.77% |
| 1968 | 1.59% | 0.78% |
| 1967 | 1.41% | 0.85% |
| 1966 | 1.25% | 0.93% |
| 1965 | 1.15% | 1.01% |
| 1964 | 1.07% | 1.06% |
| 1963 | 1.02% | 1.03% |
| 1962 | 1.01% | 1.11% |
| 1961 | 1.02% | 3.04% |
Data sources: United Nations | World Population Prospects (2026–2100, retrieved 2026-07-08); World Bank | Health (1961–2025, retrieved 2026-07-08).
GeoRank.org/population/sao-tome-and-principe/slovakia | CC BY
In 2025, the population of Sao Tome and Principe grew by 2%, while Slovakia's population declined by 0.15%.
Live population counters
|
Sao Tome
|
Slovakia
|
|
|---|---|---|
| Current population |
247495
|
5376239
|
| Population rank | 176/197 | 125/197 |
| Percent of world population | 0.003% | 0.06% |
| One net population change |
1.86 hours
|
1.06 hours
|
| One birth every |
1.32 hours
|
11.4 minutes
|
| One death every |
6.73 hours
|
9.79 minutes
|
| Daily growth/decline | +13 | -23 |
| Annual growth/decline | +4,718 | -8,256 |
| Annual growth/decline rate | +2% | -0.15% |
| Population growth rate rank | 50/197 | 170/197 |
| One migration net change every |
13.5 hours
|
16.8 minutes
|
| Annual migration change | -650 | -31,377 |
| Net migration rank | 90/196 | 166/196 |
| Foreign-born residents | 1,955 | 323,991 |
| Foreign-born residents rank | 194/195 | 96/195 |
| Foreign-born share of population | 0.8% | 5.9% |
| Foreign-born share rank | 162/195 | 88/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Sao Tome
|
Slovakia
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -650 | - | -31,377 |
| 2024 | 5,315 | -604 | -7,591 | -21,027 |
| 2023 | 5,221 | -592 | -5,427 | 4,933 |
| 2022 | 5,102 | -592 | -7,062 | 92,314 |
| 2021 | 4,954 | -782 | -16,886 | -8,172 |
| 2020 | 4,874 | 0 | -2,184 | 4,350 |
| 2019 | 4,932 | -1,716 | 3,818 | 3,128 |
| 2018 | 4,957 | -1,757 | 3,268 | 3,446 |
| 2017 | 5,007 | -1,779 | 4,351 | 3,279 |
| 2016 | 5,125 | -1,793 | 5,431 | 3,487 |
| 2015 | 5,269 | -1,809 | 2,170 | 2,549 |
| 2014 | 5,381 | -1,801 | 3,793 | -1,158 |
| 2013 | 5,449 | -1,787 | 2,707 | -1,181 |
| 2012 | 5,501 | -1,739 | 3,245 | 871 |
| 2011 | 5,445 | -1,616 | 9,177 | -2,392 |
| 2010 | 5,391 | -1,529 | 7,008 | -1,814 |
| 2009 | 5,349 | -1,328 | 8,619 | -542 |
| 2008 | 5,297 | -1,203 | 4,303 | -495 |
| 2007 | 5,226 | -1,127 | 537 | -571 |
| 2006 | 5,057 | -1,031 | 537 | -549 |
| 2005 | 4,897 | -941 | 537 | -561 |
| 2004 | 4,810 | -894 | 1,611 | -522 |
| 2003 | 4,702 | -816 | -537 | -646 |
| 2002 | 4,591 | -690 | -538 | -580 |
| 2001 | 4,471 | -1,289 | -1,076 | -860 |
| 2000 | 4,334 | -2,798 | 2,155 | -831 |
| 1999 | 4,221 | -2,594 | 3,777 | -119 |
| 1998 | 4,120 | -2,364 | 4,312 | -12 |
| 1997 | 4,041 | -2,153 | 6,999 | 247 |
| 1996 | 3,993 | -1,974 | 9,135 | 246 |
| 1995 | 3,948 | -1,829 | 9,115 | -30 |
| 1994 | 3,860 | -1,644 | 14,970 | -109 |
| 1993 | 3,841 | -1,527 | 20,769 | 72 |
| 1992 | 3,822 | -1,432 | 21,220 | -201 |
| 1991 | 3,801 | -1,362 | 23,865 | 174 |
| 1990 | 3,719 | -727 | 25,436 | -9,402 |
| 1989 | 3,576 | -571 | 26,380 | -7,254 |
| 1988 | 3,544 | -465 | 30,979 | -6,500 |
| 1987 | 3,440 | -470 | 31,859 | -6,401 |
| 1986 | 3,180 | -614 | 34,279 | -6,143 |
| 1985 | 3,242 | -828 | 37,680 | -6,068 |
| 1984 | 3,163 | -1,041 | 38,966 | -6,276 |
| 1983 | 3,100 | -1,203 | 39,717 | -6,361 |
| 1982 | 3,047 | -1,203 | 41,958 | -6,088 |
| 1981 | 3,015 | -1,067 | 43,640 | -5,821 |
| 1980 | 2,965 | -770 | 44,320 | -5,522 |
| 1979 | 2,893 | -491 | 52,353 | -4,712 |
| 1978 | 2,800 | -279 | 52,324 | -4,689 |
| 1977 | 2,705 | -255 | 52,762 | -4,621 |
| 1976 | 2,608 | -302 | 54,121 | -4,432 |
| 1975 | 2,515 | -392 | 52,604 | -4,652 |
| 1974 | 2,422 | -474 | 52,524 | -4,190 |
| 1973 | 2,329 | -525 | 49,199 | -3,854 |
| 1972 | 2,232 | -517 | 46,426 | -3,516 |
| 1971 | 2,127 | -430 | 40,105 | -3,495 |
| 1970 | 1,980 | -279 | 38,575 | -4,919 |
| 1969 | 1,862 | -469 | 39,312 | -8,998 |
| 1968 | 1,767 | -520 | 38,113 | -8,881 |
| 1967 | 1,693 | -606 | 41,824 | -8,876 |
| 1966 | 1,642 | -688 | 45,440 | -8,817 |
| 1965 | 1,611 | -765 | 48,517 | -8,707 |
| 1964 | 1,600 | -819 | 54,092 | -8,608 |
| 1963 | 1,609 | -886 | 54,382 | -8,548 |
| 1962 | 1,625 | -927 | 49,587 | -9,019 |
| 1961 | 1,657 | -960 | 55,749 | 4,812 |
| 1960 | 1,547 | -860 | 56,546 | 4,344 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/sao-tome-and-principe/slovakia | CC BY
Over the last 10 years, 81.6% of the population change in Sao Tome and Principe is from natural causes (a gain of 50,756 people) and 18.4% is from migration (a loss of 11,424 people). In Slovakia 18.6% is from natural causes (a loss of 20,112 people) and 81.4% is from migration (a gain of 88,287 people).
As of 2024, 1,955 residents or 0.8% of the population were not native-born in Sao Tome and Principe, compared to 323,991 people or 5.9% in Slovakia.
Biggest cities by population
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Population differences between Sao Tome and Principe and Slovakia
|
Sao Tome
|
Slovakia
|
|
|---|---|---|
| Life expectancy | 70.3 years | 78.8 years |
| Average age | 25.2 years | 42.3 years |
| Median age | 20.5 years | 43.3 years |
| Male:Female ratio | 49.7:50.3 | 48.8:51.2 |
| Fertility rate | 3.6 births per woman | 1.46 births per woman |
| Population density | 661 ppl/mi² | 289.6 ppl/mi² |
Population map with other countries
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08); United Nations | World Population Prospects (1960–2026, retrieved 2026-07-08); U.S. Census Bureau (1960–2025, retrieved 2026-07-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08).
GeoRank.org/population/sao-tome-and-principe/slovakia | CC BY
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Data sources:
- World Bank | Health (1960–2025, retrieved 2026-07-08)
- United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
- U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
- Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
- Wikidata (2026, retrieved 2026-07-08)
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