The latest officially reported population of Sao Tome and Principe was 240,254 in 2025 vs 51,684,564 people in South Korea in 2025. In 2026, based on the adjusted UN estimation, the current Sao Tome and Principe's population is 247,495 people compared to 51,624,449 in South Korea.
Population statistics:
- South Korea's population is 208.6 times bigger than Sao Tome and Principe's.
- Sao Tome and Principe is ranked the 176th most populous country in the world, while South Korea is the 31st.
- The countries together account for 0.62% of the world: 0.003% for Sao Tome and Principe vs 0.62% for South Korea.
- For the last 10 years, Sao Tome and Principe has had an average growth rate of +1.83% per year vs +0.17% in South Korea.
- Since 2006, the population of Sao Tome and Principe has increased from 166K people to 247K (49.4% growth), while South Korea has grown from 48.4M to 51.6M (6.58% growth).
Sao Tome and Principe vs South Korea: population by year and forecast
| Year | Population | |
|---|---|---|
Sao Tome
|
South Korea
|
|
| 2100 | 538,656 | 22,001,649 |
| 2099 | 537,257 | 22,324,514 |
| 2098 | 535,715 | 22,657,541 |
| 2097 | 534,052 | 22,998,315 |
| 2096 | 532,281 | 23,348,632 |
| 2095 | 530,505 | 23,711,049 |
| 2094 | 528,585 | 24,081,510 |
| 2093 | 526,572 | 24,460,970 |
| 2092 | 524,436 | 24,848,715 |
| 2091 | 522,255 | 25,242,926 |
| 2090 | 519,929 | 25,642,926 |
| 2089 | 517,542 | 26,048,094 |
| 2088 | 515,028 | 26,457,020 |
| 2087 | 512,499 | 26,871,556 |
| 2086 | 509,949 | 27,288,450 |
| 2085 | 507,271 | 27,710,065 |
| 2084 | 504,516 | 28,133,600 |
| 2083 | 501,611 | 28,564,090 |
| 2082 | 498,655 | 28,998,646 |
| 2081 | 495,622 | 29,441,497 |
| 2080 | 492,416 | 29,887,135 |
| 2079 | 489,178 | 30,337,095 |
| 2078 | 485,864 | 30,793,984 |
| 2077 | 482,385 | 31,258,278 |
| 2076 | 478,877 | 31,728,826 |
| 2075 | 475,315 | 32,205,338 |
| 2074 | 471,700 | 32,689,892 |
| 2073 | 468,051 | 33,180,187 |
| 2072 | 464,286 | 33,679,874 |
| 2071 | 460,447 | 34,187,068 |
| 2070 | 456,490 | 34,702,204 |
| 2069 | 452,388 | 35,224,472 |
| 2068 | 448,306 | 35,745,164 |
| 2067 | 444,092 | 36,274,411 |
| 2066 | 439,773 | 36,808,495 |
| 2065 | 435,502 | 37,349,660 |
| 2064 | 431,068 | 37,897,742 |
| 2063 | 426,645 | 38,450,082 |
| 2062 | 422,127 | 39,009,227 |
| 2061 | 417,629 | 39,565,102 |
| 2060 | 413,061 | 40,130,032 |
| 2059 | 408,522 | 40,692,438 |
| 2058 | 403,970 | 41,256,780 |
| 2057 | 399,359 | 41,813,259 |
| 2056 | 394,790 | 42,356,530 |
| 2055 | 390,100 | 42,888,143 |
| 2054 | 385,416 | 43,405,840 |
| 2053 | 380,685 | 43,917,075 |
| 2052 | 375,964 | 44,419,192 |
| 2051 | 371,143 | 44,901,452 |
| 2050 | 366,347 | 45,362,931 |
| 2049 | 361,542 | 45,809,553 |
| 2048 | 356,694 | 46,235,718 |
| 2047 | 351,813 | 46,645,885 |
| 2046 | 346,841 | 47,033,200 |
| 2045 | 341,791 | 47,409,815 |
| 2044 | 336,747 | 47,773,842 |
| 2043 | 331,669 | 48,120,989 |
| 2042 | 326,608 | 48,455,085 |
| 2041 | 321,551 | 48,782,206 |
| 2040 | 316,415 | 49,091,438 |
| 2039 | 311,237 | 49,388,464 |
| 2038 | 306,029 | 49,669,835 |
| 2037 | 300,834 | 49,932,869 |
| 2036 | 295,584 | 50,175,947 |
| 2035 | 290,361 | 50,401,135 |
| 2034 | 285,145 | 50,607,994 |
| 2033 | 279,952 | 50,796,030 |
| 2032 | 274,798 | 50,961,878 |
| 2031 | 269,704 | 51,109,725 |
| 2030 | 264,687 | 51,242,628 |
| 2029 | 259,670 | 51,360,529 |
| 2028 | 254,717 | 51,461,403 |
| 2027 | 249,827 | 51,551,313 |
| 2026 | 245,033 | 51,624,449 |
| 2025 | 240,254 | 51,684,564 |
| 2024 | 235,536 | 51,751,065 |
| 2023 | 230,871 | 51,712,619 |
| 2022 | 226,305 | 51,672,569 |
| 2021 | 221,961 | 51,769,539 |
| 2020 | 217,435 | 51,836,239 |
| 2019 | 213,392 | 51,764,822 |
| 2018 | 210,187 | 51,585,058 |
| 2017 | 206,970 | 51,361,911 |
| 2016 | 203,689 | 51,217,803 |
| 2015 | 200,291 | 51,014,947 |
| 2014 | 196,767 | 50,746,659 |
| 2013 | 193,148 | 50,428,893 |
| 2012 | 189,439 | 50,199,853 |
| 2011 | 185,649 | 49,936,638 |
| 2010 | 181,802 | 49,554,112 |
| 2009 | 177,853 | 49,307,835 |
| 2008 | 173,793 | 49,054,708 |
| 2007 | 169,700 | 48,683,638 |
| 2006 | 165,638 | 48,438,292 |
| 2005 | 161,639 | 48,184,561 |
| 2004 | 157,705 | 48,082,519 |
| 2003 | 153,814 | 47,892,330 |
| 2002 | 149,922 | 47,644,736 |
| 2001 | 146,375 | 47,370,164 |
| 2000 | 144,018 | 47,008,111 |
| 1999 | 142,442 | 46,616,677 |
| 1998 | 140,751 | 46,286,503 |
| 1997 | 138,922 | 45,953,580 |
| 1996 | 136,962 | 45,524,681 |
| 1995 | 134,895 | 45,092,991 |
| 1994 | 132,732 | 44,641,540 |
| 1993 | 130,467 | 44,194,628 |
| 1992 | 128,110 | 43,747,962 |
| 1991 | 125,697 | 43,295,704 |
| 1990 | 122,980 | 42,869,283 |
| 1989 | 119,979 | 42,449,038 |
| 1988 | 116,939 | 42,031,247 |
| 1987 | 113,919 | 41,621,690 |
| 1986 | 111,150 | 41,213,674 |
| 1985 | 108,658 | 40,805,744 |
| 1984 | 106,394 | 40,405,956 |
| 1983 | 104,380 | 39,910,403 |
| 1982 | 102,508 | 39,326,352 |
| 1981 | 100,615 | 38,723,248 |
| 1980 | 98,544 | 38,123,775 |
| 1979 | 96,252 | 37,534,236 |
| 1978 | 93,794 | 36,969,185 |
| 1977 | 91,301 | 36,411,795 |
| 1976 | 88,922 | 35,848,523 |
| 1975 | 86,708 | 35,280,725 |
| 1974 | 84,672 | 34,692,266 |
| 1973 | 82,798 | 34,103,149 |
| 1972 | 81,041 | 33,505,406 |
| 1971 | 79,330 | 32,882,704 |
| 1970 | 77,626 | 32,240,827 |
| 1969 | 76,083 | 31,544,266 |
| 1968 | 74,765 | 30,838,302 |
| 1967 | 73,596 | 30,130,983 |
| 1966 | 72,576 | 29,435,571 |
| 1965 | 71,680 | 28,704,674 |
| 1964 | 70,865 | 27,984,155 |
| 1963 | 70,112 | 27,261,747 |
| 1962 | 69,403 | 26,513,030 |
| 1961 | 68,707 | 25,765,673 |
| 1960 | 68,012 | 25,012,374 |
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/south-korea | CC BY 
From 2006 to 2016, the population of Sao Tome and Principe increased by 38,051 people (a 23% growth), while South Korea gained 2,779,511 people (a 5.74% growth).
For the next 10 years, from 2016 to 2026, Sao Tome and Principe gained 43,806 people (a 21.5% growth), while South Korea's population increased by 406,646 people (a 0.79% growth).
Sao Tome and Principe was ranked 178th most populous country in 2006 and is 176th in 2026. South Korea was ranked 25th in 2006 and ranked 31st 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 South Korea will decrease by 12.1% to 45,362,931 people and rank change from 31st to 48th.
Sao Tome and Principe is projected to reach its peak in 2100 at 539K people, while South Korea's population already peaked in 2020 at 51.8M people and is projected to decrease to 22M people by 2100.
Population growth rate by year
| Year | Growth rate | |
|---|---|---|
|
Sao Tome
|
South Korea
|
|
| 2100 | 0.26% | -1.45% |
| 2099 | 0.29% | -1.47% |
| 2098 | 0.31% | -1.48% |
| 2097 | 0.33% | -1.5% |
| 2096 | 0.33% | -1.53% |
| 2095 | 0.36% | -1.54% |
| 2094 | 0.38% | -1.55% |
| 2093 | 0.41% | -1.56% |
| 2092 | 0.42% | -1.56% |
| 2091 | 0.45% | -1.56% |
| 2090 | 0.46% | -1.56% |
| 2089 | 0.49% | -1.55% |
| 2088 | 0.49% | -1.54% |
| 2087 | 0.5% | -1.53% |
| 2086 | 0.53% | -1.52% |
| 2085 | 0.55% | -1.51% |
| 2084 | 0.58% | -1.51% |
| 2083 | 0.59% | -1.5% |
| 2082 | 0.61% | -1.5% |
| 2081 | 0.65% | -1.49% |
| 2080 | 0.66% | -1.48% |
| 2079 | 0.68% | -1.48% |
| 2078 | 0.72% | -1.49% |
| 2077 | 0.73% | -1.48% |
| 2076 | 0.75% | -1.48% |
| 2075 | 0.77% | -1.48% |
| 2074 | 0.78% | -1.48% |
| 2073 | 0.81% | -1.48% |
| 2072 | 0.83% | -1.48% |
| 2071 | 0.87% | -1.48% |
| 2070 | 0.91% | -1.48% |
| 2069 | 0.91% | -1.46% |
| 2068 | 0.95% | -1.46% |
| 2067 | 0.98% | -1.45% |
| 2066 | 0.98% | -1.45% |
| 2065 | 1.03% | -1.45% |
| 2064 | 1.04% | -1.44% |
| 2063 | 1.07% | -1.43% |
| 2062 | 1.08% | -1.4% |
| 2061 | 1.11% | -1.41% |
| 2060 | 1.11% | -1.38% |
| 2059 | 1.13% | -1.37% |
| 2058 | 1.15% | -1.33% |
| 2057 | 1.16% | -1.28% |
| 2056 | 1.2% | -1.24% |
| 2055 | 1.22% | -1.19% |
| 2054 | 1.24% | -1.16% |
| 2053 | 1.26% | -1.13% |
| 2052 | 1.3% | -1.07% |
| 2051 | 1.31% | -1.02% |
| 2050 | 1.33% | -0.97% |
| 2049 | 1.36% | -0.92% |
| 2048 | 1.39% | -0.88% |
| 2047 | 1.43% | -0.82% |
| 2046 | 1.48% | -0.79% |
| 2045 | 1.5% | -0.76% |
| 2044 | 1.53% | -0.72% |
| 2043 | 1.55% | -0.69% |
| 2042 | 1.57% | -0.67% |
| 2041 | 1.62% | -0.63% |
| 2040 | 1.66% | -0.6% |
| 2039 | 1.7% | -0.57% |
| 2038 | 1.73% | -0.53% |
| 2037 | 1.78% | -0.48% |
| 2036 | 1.8% | -0.45% |
| 2035 | 1.83% | -0.41% |
| 2034 | 1.85% | -0.37% |
| 2033 | 1.88% | -0.33% |
| 2032 | 1.89% | -0.29% |
| 2031 | 1.9% | -0.26% |
| 2030 | 1.93% | -0.23% |
| 2029 | 1.94% | -0.2% |
| 2028 | 1.96% | -0.17% |
| 2027 | 1.96% | -0.14% |
| 2026 | 1.99% | -0.12% |
| 2025 | 2% | -0.13% |
| 2024 | 2.02% | 0.07% |
| 2023 | 2.02% | 0.08% |
| 2022 | 1.96% | -0.19% |
| 2021 | 2.08% | -0.13% |
| 2020 | 1.89% | 0.14% |
| 2019 | 1.52% | 0.35% |
| 2018 | 1.55% | 0.43% |
| 2017 | 1.61% | 0.28% |
| 2016 | 1.7% | 0.4% |
| 2015 | 1.79% | 0.53% |
| 2014 | 1.87% | 0.63% |
| 2013 | 1.96% | 0.46% |
| 2012 | 2.04% | 0.53% |
| 2011 | 2.12% | 0.77% |
| 2010 | 2.22% | 0.5% |
| 2009 | 2.34% | 0.52% |
| 2008 | 2.41% | 0.76% |
| 2007 | 2.45% | 0.51% |
| 2006 | 2.47% | 0.53% |
| 2005 | 2.49% | 0.21% |
| 2004 | 2.53% | 0.4% |
| 2003 | 2.6% | 0.52% |
| 2002 | 2.42% | 0.58% |
| 2001 | 1.64% | 0.77% |
| 2000 | 1.11% | 0.84% |
| 1999 | 1.2% | 0.71% |
| 1998 | 1.32% | 0.72% |
| 1997 | 1.43% | 0.94% |
| 1996 | 1.53% | 0.96% |
| 1995 | 1.63% | 1.01% |
| 1994 | 1.74% | 1.01% |
| 1993 | 1.84% | 1.02% |
| 1992 | 1.92% | 1.04% |
| 1991 | 2.21% | 0.99% |
| 1990 | 2.5% | 0.99% |
| 1989 | 2.6% | 0.99% |
| 1988 | 2.65% | 0.98% |
| 1987 | 2.49% | 0.99% |
| 1986 | 2.29% | 1% |
| 1985 | 2.13% | 0.99% |
| 1984 | 1.93% | 1.24% |
| 1983 | 1.83% | 1.49% |
| 1982 | 1.88% | 1.56% |
| 1981 | 2.1% | 1.57% |
| 1980 | 2.38% | 1.57% |
| 1979 | 2.62% | 1.53% |
| 1978 | 2.73% | 1.53% |
| 1977 | 2.68% | 1.57% |
| 1976 | 2.55% | 1.61% |
| 1975 | 2.4% | 1.7% |
| 1974 | 2.26% | 1.73% |
| 1973 | 2.17% | 1.78% |
| 1972 | 2.16% | 1.89% |
| 1971 | 2.2% | 1.99% |
| 1970 | 2.03% | 2.21% |
| 1969 | 1.76% | 2.29% |
| 1968 | 1.59% | 2.35% |
| 1967 | 1.41% | 2.36% |
| 1966 | 1.25% | 2.55% |
| 1965 | 1.15% | 2.57% |
| 1964 | 1.07% | 2.65% |
| 1963 | 1.02% | 2.82% |
| 1962 | 1.01% | 2.9% |
| 1961 | 1.02% | 3.01% |
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/south-korea | CC BY
In 2025, the population of Sao Tome and Principe grew by 2%, while South Korea's population declined by 0.13%.
Live population counters
|
Sao Tome
|
South Korea
|
|
|---|---|---|
| Current population |
247495
|
51624449
|
| Population rank | 176/197 | 31/197 |
| Percent of world population | 0.003% | 0.62% |
| One net population change |
1.86 hours
|
7.93 minutes
|
| One birth every |
1.32 hours
|
2.16 minutes
|
| One death every |
6.73 hours
|
1.45 minutes
|
| Daily growth/decline | +13 | -182 |
| Annual growth/decline | +4,718 | -66,501 |
| Annual growth/decline rate | +2% | -0.13% |
| Population growth rate rank | 50/197 | 169/197 |
| One migration net change every |
13.5 hours
|
8.02 minutes
|
| Annual migration change | -650 | +65,731 |
| Net migration rank | 90/196 | 20/196 |
| Foreign-born residents | 1,955 | 1,811,507 |
| Foreign-born residents rank | 194/195 | 40/195 |
| Foreign-born share of population | 0.8% | 3.5% |
| Foreign-born share rank | 162/195 | 111/195 |
Natural population change vs migration
| Year | Population change | |||
|---|---|---|---|---|
|
Sao Tome
|
South Korea
|
|||
| Natural | Migration | Natural | Migration | |
| 2025 | - | -650 | - | 65,731 |
| 2024 | 5,315 | -604 | -119,027 | 75,963 |
| 2023 | 5,221 | -592 | -124,111 | 87,800 |
| 2022 | 5,102 | -592 | -124,014 | 87,800 |
| 2021 | 4,954 | -782 | -56,947 | -16,778 |
| 2020 | 4,874 | 0 | -31,101 | 112,631 |
| 2019 | 4,932 | -1,716 | 10,353 | 128,622 |
| 2018 | 4,957 | -1,757 | 30,951 | 118,220 |
| 2017 | 5,007 | -1,779 | 71,907 | 104,029 |
| 2016 | 5,125 | -1,793 | 122,923 | 91,568 |
| 2015 | 5,269 | -1,809 | 163,248 | 276,427 |
| 2014 | 5,381 | -1,801 | 167,464 | 308,037 |
| 2013 | 5,449 | -1,787 | 166,415 | 301,926 |
| 2012 | 5,501 | -1,739 | 215,859 | 281,866 |
| 2011 | 5,445 | -1,616 | 214,728 | 269,958 |
| 2010 | 5,391 | -1,529 | 213,083 | 52,042 |
| 2009 | 5,349 | -1,328 | 197,231 | 5,308 |
| 2008 | 5,297 | -1,203 | 215,841 | -19,630 |
| 2007 | 5,226 | -1,127 | 248,286 | -42,293 |
| 2006 | 5,057 | -1,031 | 203,441 | -28,434 |
| 2005 | 4,897 | -941 | 187,920 | -47,821 |
| 2004 | 4,810 | -894 | 225,988 | -42,549 |
| 2003 | 4,702 | -816 | 244,251 | -31,994 |
| 2002 | 4,591 | -690 | 247,752 | -18,105 |
| 2001 | 4,471 | -1,289 | 312,643 | -28,006 |
| 2000 | 4,334 | -2,798 | 390,167 | -84,960 |
| 1999 | 4,221 | -2,594 | 368,272 | -107,448 |
| 1998 | 4,120 | -2,364 | 393,436 | -98,044 |
| 1997 | 4,041 | -2,153 | 422,773 | -109,130 |
| 1996 | 3,993 | -1,974 | 446,142 | -115,705 |
| 1995 | 3,948 | -1,829 | 468,967 | -208,491 |
| 1994 | 3,860 | -1,644 | 473,200 | -208,309 |
| 1993 | 3,841 | -1,527 | 477,302 | -222,802 |
| 1992 | 3,822 | -1,432 | 494,352 | -265,849 |
| 1991 | 3,801 | -1,362 | 467,594 | -270,754 |
| 1990 | 3,719 | -727 | 411,546 | 79,294 |
| 1989 | 3,576 | -571 | 403,266 | 186,120 |
| 1988 | 3,544 | -465 | 399,297 | 192,534 |
| 1987 | 3,440 | -470 | 378,758 | 198,057 |
| 1986 | 3,180 | -614 | 395,651 | 189,782 |
| 1985 | 3,242 | -828 | 416,219 | 97,949 |
| 1984 | 3,163 | -1,041 | 436,384 | 101,394 |
| 1983 | 3,100 | -1,203 | 514,844 | 102,167 |
| 1982 | 3,047 | -1,203 | 605,626 | 48,638 |
| 1981 | 3,015 | -1,067 | 631,189 | 18,442 |
| 1980 | 2,965 | -770 | 583,294 | -148,341 |
| 1979 | 2,893 | -491 | 623,068 | -139,566 |
| 1978 | 2,800 | -279 | 499,084 | -85,721 |
| 1977 | 2,705 | -255 | 578,947 | -90,737 |
| 1976 | 2,608 | -302 | 530,558 | -92,314 |
| 1975 | 2,515 | -392 | 603,300 | -52,332 |
| 1974 | 2,422 | -474 | 673,030 | 27,005 |
| 1973 | 2,329 | -525 | 699,115 | 35,779 |
| 1972 | 2,232 | -517 | 740,469 | 25,382 |
| 1971 | 2,127 | -430 | 789,185 | -6,326 |
| 1970 | 1,980 | -279 | 747,987 | -27,999 |
| 1969 | 1,862 | -469 | 694,227 | -21,175 |
| 1968 | 1,767 | -520 | 684,487 | -16,868 |
| 1967 | 1,693 | -606 | 692,169 | -16,484 |
| 1966 | 1,642 | -688 | 623,534 | -16,688 |
| 1965 | 1,611 | -765 | 641,090 | -146,386 |
| 1964 | 1,600 | -819 | 655,501 | -102,284 |
| 1963 | 1,609 | -886 | 685,824 | -80,226 |
| 1962 | 1,625 | -927 | 712,590 | -94,606 |
| 1961 | 1,657 | -960 | 730,173 | -93,179 |
| 1960 | 1,547 | -860 | 728,010 | 47,245 |
Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).
GeoRank.org/population/sao-tome-and-principe/south-korea | 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 South Korea 4.97% is from natural causes (a loss of 55,818 people) and 95% is from migration (a gain of 1,066,282 people).
As of 2024, 1,955 residents or 0.8% of the population were not native-born in Sao Tome and Principe, compared to 1,811,507 people or 3.5% in South Korea.
Biggest cities by population
|
Sao Tome
|
|
|---|---|
| City | Population |
| Sao Tome | 65.5K |
| Trindade | 6.64K |
|
South Korea
|
|
|---|---|
| City | Population |
| Seoul | 9.67M |
| Busan | 3.45M |
| Incheon | 3.05M |
| Daegu | 2.38M |
| Daejeon | 1.48M |
| Gwangju | 1.41M |
| Suwon | 1.23M |
| Ulsan | 1.13M |
| Yongin | 1.08M |
| Goyang | 1.06M |
Compare countries by 7 more topics
Population differences between Sao Tome and Principe and South Korea
|
Sao Tome
|
South Korea
|
|
|---|---|---|
| Life expectancy | 70.3 years | 84.6 years |
| Average age | 25.2 years | 45.3 years |
| Median age | 20.5 years | 46.7 years |
| Male:Female ratio | 49.7:50.3 | 49.9:50.1 |
| Fertility rate | 3.6 births per woman | 0.75 births per woman |
| Population density | 661 ppl/mi² | 1,370 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/south-korea | 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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