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Population in Sao Tome and Principe compared to Thailand: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Sao Tome and Principe was 240,254 in 2025 vs 71,619,863 people in Thailand in 2025. In 2026, based on the adjusted UN estimation, the current Sao Tome and Principe's population is 247,495 people compared to 71,565,981 in Thailand.

Population statistics:

  • Thailand's population is 289.2 times bigger than Sao Tome and Principe's.
  • Sao Tome and Principe is ranked the 176th most populous country in the world, while Thailand is the 21st.
  • The countries together account for 0.86% of the world: 0.003% for Sao Tome and Principe vs 0.86% for Thailand.
  • For the last 10 years, Sao Tome and Principe has had an average growth rate of +1.83% per year vs +0.18% in Thailand.
  • Since 2006, the population of Sao Tome and Principe has increased from 166K people to 247K (49.4% growth), while Thailand has grown from 66.6M to 71.6M (7.51% growth).

Sao Tome and Principe vs Thailand: population by year and forecast

Sao Tome and Principe
Factual

Projection
Thailand
Factual

Projection
1x
Year Population
Sao Tome Thailand
2100 538,656 45,708,431
2099 537,257 46,053,146
2098 535,715 46,403,189
2097 534,052 46,757,918
2096 532,281 47,118,652
2095 530,505 47,484,043
2094 528,585 47,853,561
2093 526,572 48,226,682
2092 524,436 48,605,235
2091 522,255 48,984,504
2090 519,929 49,368,049
2089 517,542 49,756,629
2088 515,028 50,142,276
2087 512,499 50,532,164
2086 509,949 50,925,294
2085 507,271 51,321,960
2084 504,516 51,724,454
2083 501,611 52,127,592
2082 498,655 52,533,368
2081 495,622 52,938,345
2080 492,416 53,347,733
2079 489,178 53,762,492
2078 485,864 54,177,529
2077 482,385 54,595,112
2076 478,877 55,015,291
2075 475,315 55,438,108
2074 471,700 55,867,914
2073 468,051 56,300,358
2072 464,286 56,735,274
2071 460,447 57,172,515
2070 456,490 57,616,731
2069 452,388 58,061,962
2068 448,306 58,512,248
2067 444,092 58,962,990
2066 439,773 59,413,893
2065 435,502 59,873,261
2064 431,068 60,331,851
2063 426,645 60,792,306
2062 422,127 61,257,068
2061 417,629 61,720,030
2060 413,061 62,187,380
2059 408,522 62,651,158
2058 403,970 63,113,332
2057 399,359 63,572,746
2056 394,790 64,027,520
2055 390,100 64,473,146
2054 385,416 64,912,210
2053 380,685 65,338,122
2052 375,964 65,758,061
2051 371,143 66,162,612
2050 366,347 66,552,915
2049 361,542 66,931,487
2048 356,694 67,291,479
2047 351,813 67,636,461
2046 346,841 67,967,131
2045 341,791 68,281,902
2044 336,747 68,579,656
2043 331,669 68,864,788
2042 326,608 69,133,982
2041 321,551 69,390,832
2040 316,415 69,626,857
2039 311,237 69,848,522
2038 306,029 70,056,903
2037 300,834 70,250,371
2036 295,584 70,429,677
2035 290,361 70,599,021
2034 285,145 70,751,094
2033 279,952 70,891,510
2032 274,798 71,019,665
2031 269,704 71,134,882
2030 264,687 71,241,584
2029 259,670 71,337,147
2028 254,717 71,423,119
2027 249,827 71,499,411
2026 245,033 71,565,981
2025 240,254 71,619,863
2024 235,536 71,668,011
2023 230,871 71,702,435
2022 226,305 71,735,329
2021 221,961 71,727,332
2020 217,435 71,641,484
2019 213,392 71,522,271
2018 210,187 71,376,079
2017 206,970 71,160,187
2016 203,689 70,859,841
2015 200,291 70,540,795
2014 196,767 70,216,367
2013 193,148 69,845,114
2012 189,439 69,436,098
2011 185,649 69,007,208
2010 181,802 68,579,447
2009 177,853 68,121,080
2008 173,793 67,619,830
2007 169,700 67,102,394
2006 165,638 66,567,687
2005 161,639 66,017,420
2004 157,705 65,452,047
2003 153,814 64,868,166
2002 149,922 64,266,437
2001 146,375 63,651,141
2000 144,018 63,007,815
1999 142,442 62,299,043
1998 140,751 61,522,630
1997 138,922 60,724,584
1996 136,962 59,920,064
1995 134,895 59,098,232
1994 132,732 58,260,854
1993 130,467 57,408,198
1992 128,110 56,528,834
1991 125,697 55,637,434
1990 122,980 54,738,329
1989 119,979 53,848,956
1988 116,939 52,969,595
1987 113,919 52,074,105
1986 111,150 51,177,834
1985 108,658 50,270,753
1984 106,394 49,351,708
1983 104,380 48,423,309
1982 102,508 47,494,577
1981 100,615 46,575,855
1980 98,544 45,650,022
1979 96,252 44,718,434
1978 93,794 43,788,976
1977 91,301 42,843,974
1976 88,922 41,896,504
1975 86,708 40,940,005
1974 84,672 39,952,891
1973 82,798 38,947,787
1972 81,041 37,933,929
1971 79,330 36,937,387
1970 77,626 35,954,408
1969 76,083 34,973,782
1968 74,765 34,002,560
1967 73,596 33,037,801
1966 72,576 32,086,071
1965 71,680 31,149,337
1964 70,865 30,232,141
1963 70,112 29,342,322
1962 69,403 28,481,040
1961 68,707 27,650,334
1960 68,012 26,851,747

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/thailand | CC BY

From 2006 to 2016, the population of Sao Tome and Principe increased by 38,051 people (a 23% growth), while Thailand gained 4,292,154 people (a 6.45% growth).

For the next 10 years, from 2016 to 2026, Sao Tome and Principe gained 43,806 people (a 21.5% growth), while Thailand's population increased by 706,140 people (a 1% growth).

Sao Tome and Principe was ranked 178th most populous country in 2006 and is 176th in 2026. Thailand was ranked 19th in 2006 and ranked 21st 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 Thailand will decrease by 7% to 66,552,915 people and rank change from 21st to 31st.

Sao Tome and Principe is projected to reach its peak in 2100 at 539K people, while Thailand's population already peaked in 2022 at 71.7M people and is projected to decrease to 45.7M people by 2100.

Population growth rate by year

Sao Tome and Principe
Factual

Projection
Thailand
Factual

Projection
1x
Year Growth rate
Sao Tome Thailand
2100 0.26% -0.75%
2099 0.29% -0.75%
2098 0.31% -0.76%
2097 0.33% -0.77%
2096 0.33% -0.77%
2095 0.36% -0.77%
2094 0.38% -0.77%
2093 0.41% -0.78%
2092 0.42% -0.77%
2091 0.45% -0.78%
2090 0.46% -0.78%
2089 0.49% -0.77%
2088 0.49% -0.77%
2087 0.5% -0.77%
2086 0.53% -0.77%
2085 0.55% -0.78%
2084 0.58% -0.77%
2083 0.59% -0.77%
2082 0.61% -0.76%
2081 0.65% -0.77%
2080 0.66% -0.77%
2079 0.68% -0.77%
2078 0.72% -0.76%
2077 0.73% -0.76%
2076 0.75% -0.76%
2075 0.77% -0.77%
2074 0.78% -0.77%
2073 0.81% -0.77%
2072 0.83% -0.76%
2071 0.87% -0.77%
2070 0.91% -0.77%
2069 0.91% -0.77%
2068 0.95% -0.76%
2067 0.98% -0.76%
2066 0.98% -0.77%
2065 1.03% -0.76%
2064 1.04% -0.76%
2063 1.07% -0.76%
2062 1.08% -0.75%
2061 1.11% -0.75%
2060 1.11% -0.74%
2059 1.13% -0.73%
2058 1.15% -0.72%
2057 1.16% -0.71%
2056 1.2% -0.69%
2055 1.22% -0.68%
2054 1.24% -0.65%
2053 1.26% -0.64%
2052 1.3% -0.61%
2051 1.31% -0.59%
2050 1.33% -0.57%
2049 1.36% -0.53%
2048 1.39% -0.51%
2047 1.43% -0.49%
2046 1.48% -0.46%
2045 1.5% -0.43%
2044 1.53% -0.41%
2043 1.55% -0.39%
2042 1.57% -0.37%
2041 1.62% -0.34%
2040 1.66% -0.32%
2039 1.7% -0.3%
2038 1.73% -0.28%
2037 1.78% -0.25%
2036 1.8% -0.24%
2035 1.83% -0.21%
2034 1.85% -0.2%
2033 1.88% -0.18%
2032 1.89% -0.16%
2031 1.9% -0.15%
2030 1.93% -0.13%
2029 1.94% -0.12%
2028 1.96% -0.11%
2027 1.96% -0.09%
2026 1.99% -0.08%
2025 2% -0.07%
2024 2.02% -0.05%
2023 2.02% -0.05%
2022 1.96% 0.01%
2021 2.08% 0.12%
2020 1.89% 0.17%
2019 1.52% 0.2%
2018 1.55% 0.3%
2017 1.61% 0.42%
2016 1.7% 0.45%
2015 1.79% 0.46%
2014 1.87% 0.53%
2013 1.96% 0.59%
2012 2.04% 0.62%
2011 2.12% 0.62%
2010 2.22% 0.67%
2009 2.34% 0.74%
2008 2.41% 0.77%
2007 2.45% 0.8%
2006 2.47% 0.83%
2005 2.49% 0.86%
2004 2.53% 0.9%
2003 2.6% 0.94%
2002 2.42% 0.97%
2001 1.64% 1.02%
2000 1.11% 1.14%
1999 1.2% 1.26%
1998 1.32% 1.31%
1997 1.43% 1.34%
1996 1.53% 1.39%
1995 1.63% 1.44%
1994 1.74% 1.49%
1993 1.84% 1.56%
1992 1.92% 1.6%
1991 2.21% 1.64%
1990 2.5% 1.65%
1989 2.6% 1.66%
1988 2.65% 1.72%
1987 2.49% 1.75%
1986 2.29% 1.8%
1985 2.13% 1.86%
1984 1.93% 1.92%
1983 1.83% 1.96%
1982 1.88% 1.97%
1981 2.1% 2.03%
1980 2.38% 2.08%
1979 2.62% 2.12%
1978 2.73% 2.21%
1977 2.68% 2.26%
1976 2.55% 2.34%
1975 2.4% 2.47%
1974 2.26% 2.58%
1973 2.17% 2.67%
1972 2.16% 2.7%
1971 2.2% 2.73%
1970 2.03% 2.8%
1969 1.76% 2.86%
1968 1.59% 2.92%
1967 1.41% 2.97%
1966 1.25% 3.01%
1965 1.15% 3.03%
1964 1.07% 3.03%
1963 1.02% 3.02%
1962 1.01% 3%
1961 1.02% 2.97%

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/thailand | CC BY

In 2025, the population of Sao Tome and Principe grew by 2%, while Thailand's population declined by 0.07%.

Live population counters

Sao Tome Thailand
Current population
247495
71565981
Population rank 176/197 21/197
Percent of world population 0.003% 0.86%
One net population change
1.86 hours
10.9 minutes
One birth every
1.32 hours
54.2 seconds
One death every
6.73 hours
48.7 seconds
Daily growth/decline +13 -132
Annual growth/decline +4,718 -48,148
Annual growth/decline rate +2% -0.07%
Population growth rate rank 50/197 164/197
One migration net change every
13.5 hours
19.2 minutes
Annual migration change -650 +27,509
Net migration rank 90/196 30/196
Foreign-born residents 1,955 3,179,399
Foreign-born residents rank 194/195 21/195
Foreign-born share of population 0.8% 4.4%
Foreign-born share rank 162/195 100/195

Natural population change vs migration

Sao Tome and Principe
Natural

Migration
Thailand
Natural

Migration
1x
Year Population change
Sao Tome Thailand
Natural Migration Natural Migration
2025 - -650 - 27,509
2024 5,315 -604 -65,720 23,321
2023 5,221 -592 -46,105 19,648
2022 5,102 -592 -61,046 21,683
2021 4,954 -782 57,382 -2,093
2020 4,874 0 84,107 32,277
2019 4,932 -1,716 116,867 5,221
2018 4,957 -1,757 159,383 10,984
2017 5,007 -1,779 194,695 66,805
2016 5,125 -1,793 226,255 112,978
2015 5,269 -1,809 266,362 32,500
2014 5,381 -1,801 294,628 55,358
2013 5,449 -1,787 325,059 67,452
2012 5,501 -1,739 351,485 74,033
2011 5,445 -1,616 365,670 66,607
2010 5,391 -1,529 370,466 52,791
2009 5,349 -1,328 382,636 110,883
2008 5,297 -1,203 401,730 107,333
2007 5,226 -1,127 425,362 100,486
2006 5,057 -1,031 441,211 102,362
2005 4,897 -941 456,378 100,542
2004 4,810 -894 466,542 107,199
2003 4,702 -816 488,003 105,917
2002 4,591 -690 504,299 105,215
2001 4,471 -1,289 524,230 96,817
2000 4,334 -2,798 543,884 121,640
1999 4,221 -2,594 578,073 173,924
1998 4,120 -2,364 617,318 183,471
1997 4,041 -2,153 644,834 150,411
1996 3,993 -1,974 661,397 152,397
1995 3,948 -1,829 682,703 147,226
1994 3,860 -1,644 712,589 132,271
1993 3,841 -1,527 737,696 122,746
1992 3,822 -1,432 754,999 143,318
1991 3,801 -1,362 760,508 124,034
1990 3,719 -727 760,808 152,916
1989 3,576 -571 774,563 90,497
1988 3,544 -465 765,252 128,469
1987 3,440 -470 774,498 122,791
1986 3,180 -614 783,430 111,820
1985 3,242 -828 776,935 141,963
1984 3,163 -1,041 779,856 139,345
1983 3,100 -1,203 794,239 143,393
1982 3,047 -1,203 817,951 101,885
1981 3,015 -1,067 839,297 78,337
1980 2,965 -770 845,575 88,478
1979 2,893 -491 843,434 85,693
1978 2,800 -279 847,799 82,011
1977 2,705 -255 871,232 88,937
1976 2,608 -302 894,072 40,656
1975 2,515 -392 911,980 66,306
1974 2,422 -474 923,151 72,801
1973 2,329 -525 933,540 80,704
1972 2,232 -517 940,420 73,082
1971 2,127 -430 936,215 43,400
1970 1,980 -279 937,116 49,221
1969 1,862 -469 948,314 26,551
1968 1,767 -520 953,806 13,718
1967 1,693 -606 944,980 17,005
1966 1,642 -688 929,469 12,016
1965 1,611 -765 909,000 22,995
1964 1,600 -819 885,137 17,249
1963 1,609 -886 860,728 16,494
1962 1,625 -927 828,741 16,605
1961 1,657 -960 801,140 14,968
1960 1,547 -860 774,190 6,886

Data sources: World Bank | Health (1960–2025, retrieved 2026-07-08).

GeoRank.org/population/sao-tome-and-principe/thailand | 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 Thailand 74.2% is from natural causes (a gain of 932,180 people) and 25.8% is from migration (a gain of 323,324 people).

As of 2024, 1,955 residents or 0.8% of the population were not native-born in Sao Tome and Principe, compared to 3,179,399 people or 4.4% in Thailand.

Biggest cities by population

Sao Tome
City Population
Sao Tome 65.5K
Trindade 6.64K
Thailand
City Population
Bangkok 5.68M
Chiang Mai 1.2M
Nonthaburi 256K
Pak Kret 190K
Hat Yai 159K
Nakhon Ratchasima 134K
Chaophraya Surasak 133K
Surat Thani 131K
Udon Thani 130K
Klaeng 130K

Compare countries by 7 more topics

Population map with other countries

1x

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/thailand | CC BY

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-07-08)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-07-08)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-07-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-07-08)
  5. Wikidata (2026, retrieved 2026-07-08)

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