| Source | UN (World Population Prospects 2024) | 
| Date | 28 Feb 2025 | 
The current population of Sao Tome and Principe is 241,827 as of October 31, 2025, based on interpolation of the latest United Nations data. The population of Sao Tome and Principe is projected at 240,254, or 240k, as of July 1, 2025. The total population in Sao Tome and Principe is projected at 235,536, or 236k people for the year 2024.
Sao Tome and Principe ranks 188th in the world by population on the 237 countries and territories list. Sao Tome and Principe is ranked 56th among 58 countries and territories in Africa.
| Year | Population | Growth | Share (%) | ||
|---|---|---|---|---|---|
| 1 Jan | 1 July | Net Change | rate (%) | to World | |
| 2024 | 233,185 | 235,536 | 4,703 | 1.997 | 0.00289 | 
| 2025 | 237,888 | 240,254 | 4,732 | 1.970 | 0.00292 | 
| 2026 | 242,620 | 244,994 | 4,747 | 1.938 | 0.00295 | 
| 2027 | 247,367 | 249,788 | 4,842 | 1.939 | 0.00298 | 
| 2028 | 252,209 | 254,661 | 4,904 | 1.926 | 0.00302 | 
| 2029 | 257,113 | 259,597 | 4,968 | 1.914 | 0.00305 | 
| 2030 | 262,081 | 264,565 | 4,967 | 1.877 | 0.00309 | 
| 2031 | 267,048 | 269,570 | 5,044 | 1.871 | 0.00312 | 
| 2032 | 272,092 | 274,644 | 5,104 | 1.858 | 0.00316 | 
| 2033 | 277,196 | 279,767 | 5,141 | 1.838 | 0.00319 | 
| 2034 | 282,337 | 284,920 | 5,165 | 1.813 | 0.00323 | 
| 2035 | 287,502 | 290,088 | 5,172 | 1.783 | 0.00326 | 
| 2036 | 292,674 | 295,273 | 5,198 | 1.760 | 0.00330 | 
| 2037 | 297,872 | 300,444 | 5,144 | 1.712 | 0.00334 | 
| 2038 | 303,016 | 305,594 | 5,156 | 1.687 | 0.00337 | 
| 2039 | 308,172 | 310,736 | 5,127 | 1.650 | 0.00341 | 
| 2040 | 313,299 | 315,842 | 5,086 | 1.610 | 0.00344 | 
| 2041 | 318,385 | 320,889 | 5,007 | 1.560 | 0.00348 | 
| 2042 | 323,392 | 325,897 | 5,011 | 1.538 | 0.00351 | 
| 2043 | 328,403 | 330,917 | 5,028 | 1.519 | 0.00354 | 
| 2044 | 333,431 | 335,928 | 4,995 | 1.487 | 0.00358 | 
| 2045 | 338,426 | 340,926 | 5,000 | 1.467 | 0.00361 | 
| 2046 | 343,426 | 345,887 | 4,923 | 1.423 | 0.00365 | 
| 2047 | 348,349 | 350,765 | 4,833 | 1.378 | 0.00368 | 
| 2048 | 353,182 | 355,582 | 4,800 | 1.350 | 0.00371 | 
| 2049 | 357,982 | 360,361 | 4,758 | 1.320 | 0.00374 | 
| 2050 | 362,740 | 365,115 | 4,749 | 1.301 | 0.00378 | 
| 2051 | 367,489 | 369,875 | 4,773 | 1.290 | 0.00381 | 
| 2052 | 372,262 | 374,599 | 4,675 | 1.248 | 0.00385 | 
| 2053 | 376,937 | 379,279 | 4,684 | 1.235 | 0.00388 | 
| 2054 | 381,621 | 383,940 | 4,638 | 1.208 | 0.00391 | 
| 2055 | 386,259 | 388,581 | 4,644 | 1.195 | 0.00395 | 
| 2056 | 390,903 | 393,165 | 4,524 | 1.151 | 0.00398 | 
| 2057 | 395,427 | 397,709 | 4,565 | 1.148 | 0.00401 | 
| 2058 | 399,992 | 402,245 | 4,507 | 1.120 | 0.00405 | 
| 2059 | 404,499 | 406,747 | 4,495 | 1.105 | 0.00408 | 
| 2060 | 408,994 | 411,255 | 4,523 | 1.100 | 0.00412 | 
| 2061 | 413,517 | 415,743 | 4,453 | 1.071 | 0.00415 | 
| 2062 | 417,970 | 420,207 | 4,474 | 1.065 | 0.00419 | 
| 2063 | 422,444 | 424,634 | 4,379 | 1.031 | 0.00422 | 
| 2064 | 426,823 | 429,019 | 4,391 | 1.024 | 0.00426 | 
| 2065 | 431,214 | 433,329 | 4,229 | 0.976 | 0.00429 | 
| 2066 | 435,443 | 437,581 | 4,276 | 0.977 | 0.00432 | 
| 2067 | 439,719 | 441,805 | 4,173 | 0.945 | 0.00436 | 
| 2068 | 443,892 | 445,913 | 4,041 | 0.906 | 0.00439 | 
| 2069 | 447,933 | 449,964 | 4,062 | 0.903 | 0.00442 | 
| 2070 | 451,995 | 453,954 | 3,918 | 0.863 | 0.00446 | 
| 2071 | 455,913 | 457,813 | 3,801 | 0.830 | 0.00449 | 
| 2072 | 459,714 | 461,578 | 3,728 | 0.808 | 0.00452 | 
| 2073 | 463,442 | 465,248 | 3,613 | 0.777 | 0.00455 | 
| 2074 | 467,055 | 468,845 | 3,580 | 0.764 | 0.00458 | 
| 2075 | 470,635 | 472,399 | 3,527 | 0.747 | 0.00461 | 
| 2076 | 474,162 | 475,899 | 3,473 | 0.730 | 0.00464 | 
| 2077 | 477,635 | 479,358 | 3,445 | 0.719 | 0.00467 | 
| 2078 | 481,080 | 482,721 | 3,281 | 0.680 | 0.00470 | 
| 2079 | 484,361 | 485,964 | 3,206 | 0.660 | 0.00473 | 
| 2080 | 487,567 | 489,154 | 3,175 | 0.649 | 0.00476 | 
| 2081 | 490,742 | 492,243 | 3,003 | 0.610 | 0.00479 | 
| 2082 | 493,745 | 495,209 | 2,927 | 0.591 | 0.00481 | 
| 2083 | 496,672 | 498,110 | 2,876 | 0.577 | 0.00484 | 
| 2084 | 499,548 | 500,912 | 2,728 | 0.545 | 0.00487 | 
| 2085 | 502,276 | 503,602 | 2,652 | 0.527 | 0.00489 | 
| 2086 | 504,928 | 506,190 | 2,524 | 0.499 | 0.00492 | 
| 2087 | 507,452 | 508,704 | 2,505 | 0.492 | 0.00495 | 
| 2088 | 509,957 | 511,202 | 2,489 | 0.487 | 0.00497 | 
| 2089 | 512,446 | 513,628 | 2,363 | 0.460 | 0.00500 | 
| 2090 | 514,809 | 515,961 | 2,303 | 0.446 | 0.00502 | 
| 2091 | 517,112 | 518,192 | 2,160 | 0.417 | 0.00505 | 
| 2092 | 519,272 | 520,330 | 2,115 | 0.406 | 0.00507 | 
| 2093 | 521,387 | 522,384 | 1,993 | 0.382 | 0.00510 | 
| 2094 | 523,380 | 524,331 | 1,901 | 0.363 | 0.00512 | 
| 2095 | 525,281 | 526,160 | 1,759 | 0.334 | 0.00514 | 
| 2096 | 527,040 | 527,917 | 1,753 | 0.332 | 0.00516 | 
| 2097 | 528,793 | 529,616 | 1,647 | 0.311 | 0.00518 | 
| 2098 | 530,440 | 531,203 | 1,527 | 0.287 | 0.00521 | 
| 2099 | 531,967 | 532,659 | 1,385 | 0.260 | 0.00523 | 
| 2100 | 533,352 | 534,014 | 1,323 | 0.248 | 0.00525 | 
| Year | Population | Growth | Share (%) | ||
|---|---|---|---|---|---|
| 1 Jan | 1 July | Net Change | rate (%) | to World | |
| 1950 | 60,426 | 60,874 | 895 | 1.470 | 0.00244 | 
| 1951 | 61,321 | 61,761 | 881 | 1.426 | 0.00243 | 
| 1952 | 62,202 | 62,593 | 782 | 1.249 | 0.00242 | 
| 1953 | 62,984 | 63,327 | 686 | 1.083 | 0.00240 | 
| 1954 | 63,670 | 63,987 | 634 | 0.991 | 0.00238 | 
| 1955 | 64,304 | 64,606 | 604 | 0.935 | 0.00236 | 
| 1956 | 64,908 | 65,225 | 635 | 0.974 | 0.00233 | 
| 1957 | 65,543 | 65,871 | 656 | 0.996 | 0.00231 | 
| 1958 | 66,199 | 66,558 | 717 | 1.077 | 0.00229 | 
| 1959 | 66,916 | 67,291 | 750 | 1.115 | 0.00227 | 
| 1960 | 67,666 | 68,012 | 692 | 1.017 | 0.00226 | 
| 1961 | 68,358 | 68,707 | 697 | 1.014 | 0.00224 | 
| 1962 | 69,055 | 69,403 | 695 | 1.001 | 0.00222 | 
| 1963 | 69,750 | 70,112 | 723 | 1.031 | 0.00220 | 
| 1964 | 70,473 | 70,865 | 785 | 1.108 | 0.00217 | 
| 1965 | 71,258 | 71,680 | 844 | 1.177 | 0.00215 | 
| 1966 | 72,102 | 72,576 | 947 | 1.305 | 0.00213 | 
| 1967 | 73,049 | 73,596 | 1,094 | 1.487 | 0.00212 | 
| 1968 | 74,143 | 74,765 | 1,244 | 1.664 | 0.00211 | 
| 1969 | 75,387 | 76,083 | 1,392 | 1.830 | 0.00210 | 
| 1970 | 76,779 | 77,626 | 1,695 | 2.184 | 0.00210 | 
| 1971 | 78,474 | 79,330 | 1,712 | 2.158 | 0.00210 | 
| 1972 | 80,186 | 81,041 | 1,710 | 2.110 | 0.00211 | 
| 1973 | 81,896 | 82,798 | 1,804 | 2.179 | 0.00211 | 
| 1974 | 83,700 | 84,672 | 1,944 | 2.296 | 0.00212 | 
| 1975 | 85,644 | 86,708 | 2,128 | 2.454 | 0.00213 | 
| 1976 | 87,772 | 88,922 | 2,301 | 2.588 | 0.00215 | 
| 1977 | 90,073 | 91,301 | 2,456 | 2.690 | 0.00216 | 
| 1978 | 92,529 | 93,794 | 2,530 | 2.698 | 0.00219 | 
| 1979 | 95,059 | 96,252 | 2,387 | 2.480 | 0.00220 | 
| 1980 | 97,446 | 98,544 | 2,196 | 2.229 | 0.00222 | 
| 1981 | 99,642 | 100,615 | 1,946 | 1.934 | 0.00222 | 
| 1982 | 101,588 | 102,508 | 1,840 | 1.795 | 0.00222 | 
| 1983 | 103,428 | 104,380 | 1,905 | 1.825 | 0.00222 | 
| 1984 | 105,333 | 106,394 | 2,122 | 1.995 | 0.00222 | 
| 1985 | 107,455 | 108,658 | 2,406 | 2.214 | 0.00223 | 
| 1986 | 109,861 | 111,150 | 2,578 | 2.319 | 0.00224 | 
| 1987 | 112,439 | 113,919 | 2,961 | 2.599 | 0.00226 | 
| 1988 | 115,400 | 116,939 | 3,077 | 2.631 | 0.00227 | 
| 1989 | 118,477 | 119,979 | 3,004 | 2.504 | 0.00229 | 
| 1990 | 121,481 | 122,980 | 2,998 | 2.438 | 0.00231 | 
| 1991 | 124,479 | 125,697 | 2,435 | 1.937 | 0.00232 | 
| 1992 | 126,914 | 128,110 | 2,392 | 1.867 | 0.00233 | 
| 1993 | 129,306 | 130,467 | 2,322 | 1.780 | 0.00233 | 
| 1994 | 131,628 | 132,732 | 2,209 | 1.664 | 0.00234 | 
| 1995 | 133,837 | 134,895 | 2,116 | 1.569 | 0.00234 | 
| 1996 | 135,953 | 136,962 | 2,018 | 1.473 | 0.00234 | 
| 1997 | 137,971 | 138,922 | 1,901 | 1.368 | 0.00234 | 
| 1998 | 139,872 | 140,751 | 1,758 | 1.249 | 0.00234 | 
| 1999 | 141,630 | 142,442 | 1,624 | 1.140 | 0.00234 | 
| 2000 | 143,254 | 144,018 | 1,529 | 1.062 | 0.00233 | 
| 2001 | 144,783 | 146,375 | 3,184 | 2.175 | 0.00234 | 
| 2002 | 147,967 | 149,922 | 3,909 | 2.608 | 0.00237 | 
| 2003 | 151,876 | 153,814 | 3,876 | 2.520 | 0.00240 | 
| 2004 | 155,752 | 157,705 | 3,906 | 2.477 | 0.00242 | 
| 2005 | 159,658 | 161,639 | 3,963 | 2.452 | 0.00245 | 
| 2006 | 163,621 | 165,638 | 4,034 | 2.436 | 0.00248 | 
| 2007 | 167,655 | 169,700 | 4,089 | 2.410 | 0.00251 | 
| 2008 | 171,744 | 173,793 | 4,098 | 2.358 | 0.00254 | 
| 2009 | 175,842 | 177,853 | 4,023 | 2.262 | 0.00257 | 
| 2010 | 179,865 | 181,802 | 3,874 | 2.131 | 0.00259 | 
| 2011 | 183,739 | 185,649 | 3,821 | 2.058 | 0.00261 | 
| 2012 | 187,560 | 189,439 | 3,758 | 1.984 | 0.00263 | 
| 2013 | 191,318 | 193,148 | 3,659 | 1.894 | 0.00265 | 
| 2014 | 194,977 | 196,767 | 3,580 | 1.819 | 0.00267 | 
| 2015 | 198,557 | 200,291 | 3,468 | 1.732 | 0.00268 | 
| 2016 | 202,025 | 203,689 | 3,327 | 1.633 | 0.00269 | 
| 2017 | 205,352 | 206,970 | 3,237 | 1.564 | 0.00271 | 
| 2018 | 208,589 | 210,187 | 3,196 | 1.521 | 0.00272 | 
| 2019 | 211,785 | 213,392 | 3,214 | 1.506 | 0.00273 | 
| 2020 | 214,999 | 217,435 | 4,871 | 2.240 | 0.00276 | 
| 2021 | 219,870 | 221,961 | 4,182 | 1.884 | 0.00279 | 
| 2022 | 224,052 | 226,305 | 4,506 | 1.991 | 0.00282 | 
| 2023 | 228,558 | 230,871 | 4,627 | 2.004 | 0.00285 |