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

Updated on by Georank team

The latest officially reported population of Comoros was 866,628 in 2024 vs 235,536 people in Sao Tome and Principe in 2024. In 2026, based on the adjusted UN estimation, the current Comoros' population is 903,776 people compared to 246,362 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 +2.01% per year vs +1.82% in Sao Tome and Principe.
  • Since 2006, the population of Comoros has increased from 605K people to 904K (49.4% growth), while Sao Tome and Principe has grown from 166K to 246K (48.7% 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 1,926,386 538,729
2099 1,920,621 537,330
2098 1,914,609 535,787
2097 1,908,134 534,124
2096 1,901,525 532,353
2095 1,894,422 530,576
2094 1,887,108 528,656
2093 1,879,656 526,643
2092 1,871,817 524,507
2091 1,863,580 522,325
2090 1,854,999 519,999
2089 1,846,139 517,612
2088 1,836,994 515,098
2087 1,827,684 512,568
2086 1,817,890 510,018
2085 1,807,957 507,340
2084 1,797,607 504,584
2083 1,786,775 501,679
2082 1,775,826 498,722
2081 1,764,709 495,689
2080 1,753,314 492,482
2079 1,741,768 489,244
2078 1,729,732 485,930
2077 1,717,501 482,450
2076 1,704,841 478,942
2075 1,691,947 475,380
2074 1,678,984 471,763
2073 1,665,784 468,114
2072 1,652,395 464,348
2071 1,638,685 460,509
2070 1,625,082 456,552
2069 1,611,152 452,449
2068 1,596,935 448,367
2067 1,582,442 444,152
2066 1,567,829 439,833
2065 1,553,142 435,561
2064 1,538,246 431,126
2063 1,523,197 426,703
2062 1,508,112 422,184
2061 1,492,603 417,686
2060 1,476,941 413,117
2059 1,461,147 408,577
2058 1,445,237 404,024
2057 1,429,173 399,413
2056 1,412,910 394,844
2055 1,396,415 390,153
2054 1,379,788 385,468
2053 1,362,991 380,737
2052 1,345,832 376,015
2051 1,328,600 371,194
2050 1,311,253 366,397
2049 1,293,896 361,591
2048 1,276,263 356,742
2047 1,258,915 351,861
2046 1,241,424 346,888
2045 1,223,821 341,838
2044 1,206,037 336,792
2043 1,188,317 331,713
2042 1,170,812 326,652
2041 1,153,264 321,594
2040 1,135,741 316,457
2039 1,118,219 311,279
2038 1,100,871 306,071
2037 1,083,597 300,875
2036 1,066,250 295,624
2035 1,049,097 290,400
2034 1,032,144 285,183
2033 1,015,163 279,990
2032 998,403 274,835
2031 981,702 269,740
2030 965,069 264,723
2029 948,475 259,705
2028 932,007 254,751
2027 915,654 249,860
2026 899,373 245,066
2025 883,023 240,286
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 (2025–2100, retrieved 2026-03-10); World Bank | Health (1960–2024, retrieved 2026-04-06).

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 162,035 people (a 21.8% growth), while Sao Tome and Principe's population increased by 42,673 people (a 21% 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 45.1% to 1,311,253 people with a rank change from 160th to 157th. The population of Sao Tome and Principe will increase by 48.7% to 366,397 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 1.89% 2.02%
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 (2025–2100, retrieved 2026-03-10); World Bank | Health (1961–2024, retrieved 2026-04-06).

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

In 2024, the population of Comoros grew by 1.91%, while Sao Tome and Principe's population grew by 2.02%.

Live population counters

Comoros Sao Tome
Current population
903776
246362
Population rank 160/197 176/197
Percent of world population 0.01% 0.003%
One net population change
32.4 minutes
1.88 hours
One birth every
21.6 minutes
1.35 hours
One death every
1.43 hours
6.81 hours
Daily growth/decline +44 +13
Annual growth/decline +16,241 +4,665
Annual growth/decline rate +1.91% +2.02%
Population growth rate rank 56/197 49/197
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 - -2,051 - -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 2026-04-06).

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

Over the last 10 years, 87.9% of the population change in Comoros is from natural causes (a gain of 179,319 people) and 12.1% is from migration (a loss of 24,709 people). In Sao Tome and Principe 80.1% is from natural causes (a gain of 50,822 people) and 19.9% is from migration (a loss of 12,621 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 (1960–2024, retrieved 2026-04-06); United Nations | World Population Prospects (1960–2026, retrieved 2026-03-10); U.S. Census Bureau (1960–2025, retrieved 2026-02-08); Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20).

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

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Data sources:

  1. World Bank | Health (1960–2025, retrieved 2026-04-06)
  2. United Nations | World Population Prospects (1960–2100, retrieved 2026-03-10)
  3. U.S. Census Bureau (1960–2025, retrieved 2026-02-08)
  4. Central Intelligence Agency (CIA) (2000–2019, retrieved 2026-02-20)
  5. Wikidata (2026, retrieved 2026-02-08)

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