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

Updated on by Georank

The latest officially reported population of Comoros was 882,847 in 2025 vs 240,254 people in Sao Tome and Principe in 2025. In 2026, based on the adjusted UN estimation, the current Comoros' population is 907,554 people compared to 247,495 in Sao Tome and Principe.

Population statistics:

  • Comoros' population is 3.67 times bigger than Sao Tome and Principe's.
  • Comoros is ranked the 160th most populous country in the world, while Sao Tome and Principe is the 176th.
  • The countries together account for 0.01% of the world: 0.01% for Comoros vs 0.003% for Sao Tome and Principe.
  • For the last 10 years, Comoros has had an average growth rate of +1.98% per year vs +1.83% in Sao Tome and Principe.
  • Since 2006, the population of Comoros has increased from 605K people to 908K (50.1% growth), while Sao Tome and Principe has grown from 166K to 247K (49.4% growth).

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

Comoros
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Population
Comoros Sao Tome
2100 1,926,001 538,656
2099 1,920,237 537,257
2098 1,914,226 535,715
2097 1,907,753 534,052
2096 1,901,145 532,281
2095 1,894,043 530,505
2094 1,886,731 528,585
2093 1,879,280 526,572
2092 1,871,442 524,436
2091 1,863,207 522,255
2090 1,854,628 519,929
2089 1,845,770 517,542
2088 1,836,626 515,028
2087 1,827,319 512,499
2086 1,817,526 509,949
2085 1,807,595 507,271
2084 1,797,247 504,516
2083 1,786,418 501,611
2082 1,775,471 498,655
2081 1,764,356 495,622
2080 1,752,964 492,416
2079 1,741,420 489,178
2078 1,729,386 485,864
2077 1,717,157 482,385
2076 1,704,500 478,877
2075 1,691,609 475,315
2074 1,678,648 471,700
2073 1,665,451 468,051
2072 1,652,064 464,286
2071 1,638,357 460,447
2070 1,624,757 456,490
2069 1,610,830 452,388
2068 1,596,616 448,306
2067 1,582,126 444,092
2066 1,567,516 439,773
2065 1,552,831 435,502
2064 1,537,938 431,068
2063 1,522,892 426,645
2062 1,507,810 422,127
2061 1,492,305 417,629
2060 1,476,645 413,061
2059 1,460,854 408,522
2058 1,444,947 403,970
2057 1,428,887 399,359
2056 1,412,627 394,790
2055 1,396,136 390,100
2054 1,379,512 385,416
2053 1,362,718 380,685
2052 1,345,563 375,964
2051 1,328,334 371,143
2050 1,310,991 366,347
2049 1,293,638 361,542
2048 1,276,008 356,694
2047 1,258,663 351,813
2046 1,241,175 346,841
2045 1,223,576 341,791
2044 1,205,796 336,747
2043 1,188,079 331,669
2042 1,170,578 326,608
2041 1,153,033 321,551
2040 1,135,514 316,415
2039 1,117,995 311,237
2038 1,100,650 306,029
2037 1,083,380 300,834
2036 1,066,037 295,584
2035 1,048,888 290,361
2034 1,031,937 285,145
2033 1,014,960 279,952
2032 998,204 274,798
2031 981,505 269,704
2030 964,876 264,687
2029 948,286 259,670
2028 931,821 254,717
2027 915,471 249,827
2026 899,193 245,033
2025 882,847 240,254
2024 866,628 235,536
2023 850,387 230,871
2022 834,188 226,305
2021 818,174 221,961
2020 802,163 217,435
2019 786,578 213,392
2018 771,590 210,187
2017 756,669 206,970
2016 741,741 203,689
2015 726,682 200,291
2014 711,503 196,767
2013 696,192 193,148
2012 681,630 189,439
2011 668,056 185,649
2010 654,836 181,802
2009 641,947 177,853
2008 629,307 173,793
2007 616,927 169,700
2006 604,753 165,638
2005 592,677 161,639
2004 580,704 157,705
2003 569,798 153,814
2002 558,923 149,922
2001 547,220 146,375
2000 536,080 144,018
1999 525,886 142,442
1998 516,597 140,751
1997 507,777 138,922
1996 499,107 136,962
1995 490,586 134,895
1994 482,142 132,732
1993 473,682 130,467
1992 465,113 128,110
1991 455,556 125,697
1990 444,596 122,980
1989 433,103 119,979
1988 421,687 116,939
1987 410,439 113,919
1986 399,318 111,150
1985 388,352 108,658
1984 377,637 106,394
1983 367,233 104,380
1982 357,139 102,508
1981 347,382 100,615
1980 337,721 98,544
1979 327,791 96,252
1978 317,688 93,794
1977 307,579 91,301
1976 297,538 88,922
1975 287,692 86,708
1974 278,075 84,672
1973 268,820 82,798
1972 260,077 81,041
1971 251,865 79,330
1970 244,185 77,626
1969 237,001 76,083
1968 230,244 74,765
1967 223,859 73,596
1966 218,663 72,576
1965 214,967 71,680
1964 211,644 70,865
1963 208,185 70,112
1962 204,702 69,403
1961 201,201 68,707
1960 197,700 68,012

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/comoros/sao-tome-and-principe | CC BY

From 2006 to 2016, the population of Comoros increased by 136,988 people (a 22.7% growth), while Sao Tome and Principe gained 38,051 people (a 23% growth).

For the next 10 years, from 2016 to 2026, Comoros gained 165,813 people (a 22.4% growth), while Sao Tome and Principe's population increased by 43,806 people (a 21.5% growth).

Comoros was ranked 163rd most populous country in 2006 and is 160th in 2026. Sao Tome and Principe was ranked 178th in 2006 and ranked 176th now.

The UN's World Population Prospects forecasts that in 24 years (in 2050) Comoros' population will grow by 44.5% to 1,310,991 people with a rank change from 160th to 157th. The population of Sao Tome and Principe will increase by 48% to 366,347 people and rank change from 176th to 175th.

Comoros is projected to reach its peak in 2100 at 1.93M people compared to the peak of 539K people in 2100 for Sao Tome and Principe.

Population growth rate by year

Comoros
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Growth rate
Comoros Sao Tome
2100 0.3% 0.26%
2099 0.31% 0.29%
2098 0.34% 0.31%
2097 0.35% 0.33%
2096 0.37% 0.33%
2095 0.39% 0.36%
2094 0.4% 0.38%
2093 0.42% 0.41%
2092 0.44% 0.42%
2091 0.46% 0.45%
2090 0.48% 0.46%
2089 0.5% 0.49%
2088 0.51% 0.49%
2087 0.54% 0.5%
2086 0.55% 0.53%
2085 0.58% 0.55%
2084 0.61% 0.58%
2083 0.62% 0.59%
2082 0.63% 0.61%
2081 0.65% 0.65%
2080 0.66% 0.66%
2079 0.7% 0.68%
2078 0.71% 0.72%
2077 0.74% 0.73%
2076 0.76% 0.75%
2075 0.77% 0.77%
2074 0.79% 0.78%
2073 0.81% 0.81%
2072 0.84% 0.83%
2071 0.84% 0.87%
2070 0.86% 0.91%
2069 0.89% 0.91%
2068 0.92% 0.95%
2067 0.93% 0.98%
2066 0.95% 0.98%
2065 0.97% 1.03%
2064 0.99% 1.04%
2063 1% 1.07%
2062 1.04% 1.08%
2061 1.06% 1.11%
2060 1.08% 1.11%
2059 1.1% 1.13%
2058 1.12% 1.15%
2057 1.15% 1.16%
2056 1.18% 1.2%
2055 1.21% 1.22%
2054 1.23% 1.24%
2053 1.27% 1.26%
2052 1.3% 1.3%
2051 1.32% 1.31%
2050 1.34% 1.33%
2049 1.38% 1.36%
2048 1.38% 1.39%
2047 1.41% 1.43%
2046 1.44% 1.48%
2045 1.47% 1.5%
2044 1.49% 1.53%
2043 1.5% 1.55%
2042 1.52% 1.57%
2041 1.54% 1.62%
2040 1.57% 1.66%
2039 1.58% 1.7%
2038 1.59% 1.73%
2037 1.63% 1.78%
2036 1.63% 1.8%
2035 1.64% 1.83%
2034 1.67% 1.85%
2033 1.68% 1.88%
2032 1.7% 1.89%
2031 1.72% 1.9%
2030 1.75% 1.93%
2029 1.77% 1.94%
2028 1.79% 1.96%
2027 1.81% 1.96%
2026 1.85% 1.99%
2025 1.87% 2%
2024 1.91% 2.02%
2023 1.94% 2.02%
2022 1.96% 1.96%
2021 2% 2.08%
2020 1.98% 1.89%
2019 1.94% 1.52%
2018 1.97% 1.55%
2017 2.01% 1.61%
2016 2.07% 1.7%
2015 2.13% 1.79%
2014 2.2% 1.87%
2013 2.14% 1.96%
2012 2.03% 2.04%
2011 2.02% 2.12%
2010 2.01% 2.22%
2009 2.01% 2.34%
2008 2.01% 2.41%
2007 2.01% 2.45%
2006 2.04% 2.47%
2005 2.06% 2.49%
2004 1.91% 2.53%
2003 1.95% 2.6%
2002 2.14% 2.42%
2001 2.08% 1.64%
2000 1.94% 1.11%
1999 1.8% 1.2%
1998 1.74% 1.32%
1997 1.74% 1.43%
1996 1.74% 1.53%
1995 1.75% 1.63%
1994 1.79% 1.74%
1993 1.84% 1.84%
1992 2.1% 1.92%
1991 2.47% 2.21%
1990 2.65% 2.5%
1989 2.71% 2.6%
1988 2.74% 2.65%
1987 2.78% 2.49%
1986 2.82% 2.29%
1985 2.84% 2.13%
1984 2.83% 1.93%
1983 2.83% 1.83%
1982 2.81% 1.88%
1981 2.86% 2.1%
1980 3.03% 2.38%
1979 3.18% 2.62%
1978 3.29% 2.73%
1977 3.37% 2.68%
1976 3.42% 2.55%
1975 3.46% 2.4%
1974 3.44% 2.26%
1973 3.36% 2.17%
1972 3.26% 2.16%
1971 3.15% 2.2%
1970 3.03% 2.03%
1969 2.93% 1.76%
1968 2.85% 1.59%
1967 2.38% 1.41%
1966 1.72% 1.25%
1965 1.57% 1.15%
1964 1.66% 1.07%
1963 1.7% 1.02%
1962 1.74% 1.01%
1961 1.77% 1.02%

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/comoros/sao-tome-and-principe | CC BY

In 2025, the population of Comoros grew by 1.87%, while Sao Tome and Principe's population grew by 2%.

Live population counters

Comoros Sao Tome
Current population
907554
247495
Population rank 160/197 176/197
Percent of world population 0.01% 0.003%
One net population change
32.5 minutes
1.86 hours
One birth every
21.5 minutes
1.32 hours
One death every
1.42 hours
6.73 hours
Daily growth/decline +44 +13
Annual growth/decline +16,219 +4,718
Annual growth/decline rate +1.87% +2%
Population growth rate rank 55/197 50/197
One migration net change every
4.13 hours
13.5 hours
Annual migration change -2,127 -650
Net migration rank 98/196 90/196
Foreign-born residents 12,449 1,955
Foreign-born residents rank 177/195 194/195
Foreign-born share of population 1.4% 0.8%
Foreign-born share rank 147/195 162/195

Natural population change vs migration

Comoros
Natural

Migration
Sao Tome and Principe
Natural

Migration
1x
Year Population change
Comoros Sao Tome
Natural Migration Natural Migration
2025 - -2,127 - -650
2024 18,294 -2,051 5,315 -604
2023 18,247 -2,002 5,221 -592
2022 18,154 -2,002 5,102 -592
2021 17,645 -1,766 4,954 -782
2020 17,906 -1,766 4,874 0
2019 17,936 -2,916 4,932 -1,716
2018 17,883 -2,917 4,957 -1,757
2017 17,798 -2,920 5,007 -1,779
2016 17,913 -2,938 5,125 -1,793
2015 17,961 -2,815 5,269 -1,809
2014 17,876 -2,667 5,381 -1,801
2013 17,776 -2,365 5,449 -1,787
2012 17,565 -3,835 5,501 -1,739
2011 17,313 -3,897 5,445 -1,616
2010 16,849 -3,832 5,391 -1,529
2009 16,315 -3,553 5,349 -1,328
2008 15,804 -3,294 5,297 -1,203
2007 15,393 -3,147 5,226 -1,127
2006 15,124 -3,020 5,057 -1,031
2005 14,810 -2,760 4,897 -941
2004 14,349 -2,455 4,810 -894
2003 14,031 -4,112 4,702 -816
2002 13,760 -1,925 4,591 -690
2001 13,598 -2,029 4,471 -1,289
2000 13,270 -2,557 4,334 -2,798
1999 13,161 -3,490 4,221 -2,594
1998 13,099 -4,194 4,120 -2,364
1997 13,254 -4,508 4,041 -2,153
1996 13,390 -4,805 3,993 -1,974
1995 13,403 -4,951 3,948 -1,829
1994 13,465 -5,024 3,860 -1,644
1993 13,667 -5,196 3,841 -1,527
1992 13,867 -5,198 3,822 -1,432
1991 13,783 -3,323 3,801 -1,362
1990 13,610 -2,141 3,719 -727
1989 13,374 -1,860 3,576 -571
1988 13,144 -1,832 3,544 -465
1987 12,869 -1,687 3,440 -470
1986 12,566 -1,502 3,180 -614
1985 12,202 -1,339 3,242 -828
1984 11,830 -1,259 3,163 -1,041
1983 11,367 -1,122 3,100 -1,203
1982 11,002 -1,065 3,047 -1,203
1981 10,569 -999 3,015 -1,067
1980 10,095 -344 2,965 -770
1979 9,637 468 2,893 -491
1978 9,189 909 2,800 -279
1977 8,750 1,377 2,705 -255
1976 8,371 1,585 2,608 -302
1975 7,752 1,986 2,515 -392
1974 7,654 1,840 2,422 -474
1973 7,328 1,684 2,329 -525
1972 7,019 1,461 2,232 -517
1971 6,722 1,216 2,127 -430
1970 6,456 966 1,980 -279
1969 6,189 769 1,862 -469
1968 5,960 592 1,767 -520
1967 5,741 465 1,693 -606
1966 5,601 -1,408 1,642 -688
1965 5,465 -2,261 1,611 -765
1964 5,359 -1,924 1,600 -819
1963 5,249 -1,764 1,609 -886
1962 5,157 -1,667 1,625 -927
1961 5,027 -1,518 1,657 -960
1960 4,886 -1,406 1,547 -860

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

GeoRank.org/population/comoros/sao-tome-and-principe | CC BY

Over the last 10 years, 88.2% of the population change in Comoros is from natural causes (a gain of 179,737 people) and 11.8% is from migration (a loss of 24,093 people). In Sao Tome and Principe 81.6% is from natural causes (a gain of 50,756 people) and 18.4% is from migration (a loss of 11,424 people).

As of 2024, 12,449 residents or 1.4% of the population were not native-born in Comoros, compared to 1,955 people or 0.8% in Sao Tome and Principe.

Biggest cities by population

Comoros
City Population
Moroni 85.4K
Domoni 17.7K
Sao Tome
City Population
Sao Tome 65.5K
Trindade 6.64K

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/comoros/sao-tome-and-principe | 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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