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

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 240,254 people in Sao Tome and Principe in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 247,495 in Sao Tome and Principe.

Population statistics:

  • Cambodia's population is 73.4 times bigger than Sao Tome and Principe's.
  • Cambodia is ranked the 73rd most populous country in the world, while Sao Tome and Principe is the 176th.
  • The countries together account for 0.22% of the world: 0.22% for Cambodia vs 0.003% for Sao Tome and Principe.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs +1.83% in Sao Tome and Principe.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while Sao Tome and Principe has grown from 166K to 247K (49.4% growth).

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

Cambodia
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Population
Cambodia Sao Tome
2100 22,901,914 538,656
2099 22,958,383 537,257
2098 23,015,331 535,715
2097 23,068,989 534,052
2096 23,118,854 532,281
2095 23,162,704 530,505
2094 23,207,466 528,585
2093 23,247,521 526,572
2092 23,285,540 524,436
2091 23,317,510 522,255
2090 23,349,581 519,929
2089 23,381,110 517,542
2088 23,404,619 515,028
2087 23,429,179 512,499
2086 23,450,970 509,949
2085 23,469,059 507,271
2084 23,486,236 504,516
2083 23,498,658 501,611
2082 23,506,751 498,655
2081 23,512,878 495,622
2080 23,518,840 492,416
2079 23,523,165 489,178
2078 23,523,989 485,864
2077 23,519,769 482,385
2076 23,512,440 478,877
2075 23,506,393 475,315
2074 23,494,004 471,700
2073 23,481,588 468,051
2072 23,463,712 464,286
2071 23,443,140 460,447
2070 23,420,769 456,490
2069 23,393,461 452,388
2068 23,362,386 448,306
2067 23,324,169 444,092
2066 23,283,399 439,773
2065 23,242,009 435,502
2064 23,191,929 431,068
2063 23,139,318 426,645
2062 23,083,489 422,127
2061 23,020,659 417,629
2060 22,951,813 413,061
2059 22,877,844 408,522
2058 22,799,179 403,970
2057 22,715,484 399,359
2056 22,628,607 394,790
2055 22,537,541 390,100
2054 22,440,088 385,416
2053 22,338,320 380,685
2052 22,231,339 375,964
2051 22,117,409 371,143
2050 22,001,254 366,347
2049 21,877,484 361,542
2048 21,749,790 356,694
2047 21,618,052 351,813
2046 21,480,480 346,841
2045 21,340,224 341,791
2044 21,195,511 336,747
2043 21,046,437 331,669
2042 20,893,438 326,608
2041 20,738,659 321,551
2040 20,582,241 316,415
2039 20,421,184 311,237
2038 20,256,225 306,029
2037 20,088,660 300,834
2036 19,922,341 295,584
2035 19,747,906 290,361
2034 19,573,792 285,145
2033 19,395,265 279,952
2032 19,215,259 274,798
2031 19,030,553 269,704
2030 18,843,778 264,687
2029 18,652,372 259,670
2028 18,456,287 254,717
2027 18,256,828 249,827
2026 18,056,115 245,033
2025 17,847,982 240,254
2024 17,638,801 235,536
2023 17,423,880 230,871
2022 17,201,724 226,305
2021 16,974,305 221,961
2020 16,725,474 217,435
2019 16,481,304 213,392
2018 16,274,522 210,187
2017 16,073,372 206,970
2016 15,852,803 203,689
2015 15,623,251 200,291
2014 15,396,772 196,767
2013 15,170,208 193,148
2012 14,945,085 189,439
2011 14,722,584 185,649
2010 14,500,726 181,802
2009 14,276,810 177,853
2008 14,053,479 173,793
2007 13,841,770 169,700
2006 13,639,028 165,638
2005 13,439,202 161,639
2004 13,244,731 157,705
2003 13,050,968 153,814
2002 12,855,241 149,922
2001 12,658,484 146,375
2000 12,462,336 144,018
1999 12,265,731 142,442
1998 12,058,173 140,751
1997 11,570,982 138,922
1996 10,801,270 136,962
1995 10,018,497 134,895
1994 9,239,162 132,732
1993 8,616,381 130,467
1992 8,113,083 128,110
1991 7,686,850 125,697
1990 7,374,752 122,980
1989 7,073,473 119,979
1988 6,812,014 116,939
1987 6,557,970 113,919
1986 6,285,693 111,150
1985 6,043,783 108,658
1984 5,845,117 106,394
1983 5,636,203 104,380
1982 5,436,432 102,508
1981 5,284,495 100,615
1980 5,199,872 98,544
1979 5,088,808 96,252
1978 5,211,653 93,794
1977 5,668,551 91,301
1976 6,134,991 88,922
1975 6,581,371 86,708
1974 6,783,240 84,672
1973 6,739,726 82,798
1972 6,673,886 81,041
1971 6,620,880 79,330
1970 6,639,182 77,626
1969 6,604,725 76,083
1968 6,467,324 74,765
1967 6,332,944 73,596
1966 6,201,232 72,576
1965 6,072,289 71,680
1964 5,946,178 70,865
1963 5,823,010 70,112
1962 5,697,558 69,403
1961 5,571,168 68,707
1960 5,449,966 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/cambodia/sao-tome-and-principe | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while Sao Tome and Principe gained 38,051 people (a 23% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while Sao Tome and Principe's population increased by 43,806 people (a 21.5% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd 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) Cambodia's population will grow by 21.2% to 22,001,254 people and will still be ranked 73rd. The population of Sao Tome and Principe will increase by 48% to 366,347 people and rank change from 176th to 175th.

Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 539K people in 2100 for Sao Tome and Principe.

Population growth rate by year

Cambodia
Factual

Projection
Sao Tome and Principe
Factual

Projection
1x
Year Growth rate
Cambodia Sao Tome
2100 -0.25% 0.26%
2099 -0.25% 0.29%
2098 -0.23% 0.31%
2097 -0.22% 0.33%
2096 -0.19% 0.33%
2095 -0.19% 0.36%
2094 -0.17% 0.38%
2093 -0.16% 0.41%
2092 -0.14% 0.42%
2091 -0.14% 0.45%
2090 -0.13% 0.46%
2089 -0.1% 0.49%
2088 -0.1% 0.49%
2087 -0.09% 0.5%
2086 -0.08% 0.53%
2085 -0.07% 0.55%
2084 -0.05% 0.58%
2083 -0.03% 0.59%
2082 -0.03% 0.61%
2081 -0.03% 0.65%
2080 -0.02% 0.66%
2079 -0.004% 0.68%
2078 0.02% 0.72%
2077 0.03% 0.73%
2076 0.03% 0.75%
2075 0.05% 0.77%
2074 0.05% 0.78%
2073 0.08% 0.81%
2072 0.09% 0.83%
2071 0.1% 0.87%
2070 0.12% 0.91%
2069 0.13% 0.91%
2068 0.16% 0.95%
2067 0.18% 0.98%
2066 0.18% 0.98%
2065 0.22% 1.03%
2064 0.23% 1.04%
2063 0.24% 1.07%
2062 0.27% 1.08%
2061 0.3% 1.11%
2060 0.32% 1.11%
2059 0.35% 1.13%
2058 0.37% 1.15%
2057 0.38% 1.16%
2056 0.4% 1.2%
2055 0.43% 1.22%
2054 0.46% 1.24%
2053 0.48% 1.26%
2052 0.52% 1.3%
2051 0.53% 1.31%
2050 0.57% 1.33%
2049 0.59% 1.36%
2048 0.61% 1.39%
2047 0.64% 1.43%
2046 0.66% 1.48%
2045 0.68% 1.5%
2044 0.71% 1.53%
2043 0.73% 1.55%
2042 0.75% 1.57%
2041 0.76% 1.62%
2040 0.79% 1.66%
2039 0.81% 1.7%
2038 0.83% 1.73%
2037 0.83% 1.78%
2036 0.88% 1.8%
2035 0.89% 1.83%
2034 0.92% 1.85%
2033 0.94% 1.88%
2032 0.97% 1.89%
2031 0.99% 1.9%
2030 1.03% 1.93%
2029 1.06% 1.94%
2028 1.09% 1.96%
2027 1.11% 1.96%
2026 1.17% 1.99%
2025 1.19% 2%
2024 1.23% 2.02%
2023 1.29% 2.02%
2022 1.34% 1.96%
2021 1.49% 2.08%
2020 1.48% 1.89%
2019 1.27% 1.52%
2018 1.25% 1.55%
2017 1.39% 1.61%
2016 1.47% 1.7%
2015 1.47% 1.79%
2014 1.49% 1.87%
2013 1.51% 1.96%
2012 1.51% 2.04%
2011 1.53% 2.12%
2010 1.57% 2.22%
2009 1.59% 2.34%
2008 1.53% 2.41%
2007 1.49% 2.45%
2006 1.49% 2.47%
2005 1.47% 2.49%
2004 1.48% 2.53%
2003 1.52% 2.6%
2002 1.55% 2.42%
2001 1.57% 1.64%
2000 1.6% 1.11%
1999 1.72% 1.2%
1998 4.21% 1.32%
1997 7.13% 1.43%
1996 7.81% 1.53%
1995 8.44% 1.63%
1994 7.23% 1.74%
1993 6.2% 1.84%
1992 5.54% 1.92%
1991 4.23% 2.21%
1990 4.26% 2.5%
1989 3.84% 2.6%
1988 3.87% 2.65%
1987 4.33% 2.49%
1986 4% 2.29%
1985 3.4% 2.13%
1984 3.71% 1.93%
1983 3.67% 1.83%
1982 2.88% 1.88%
1981 1.63% 2.1%
1980 2.18% 2.38%
1979 -2.36% 2.62%
1978 -8.06% 2.73%
1977 -7.6% 2.68%
1976 -6.78% 2.55%
1975 -2.98% 2.4%
1974 0.65% 2.26%
1973 0.99% 2.17%
1972 0.8% 2.16%
1971 -0.28% 2.2%
1970 0.52% 2.03%
1969 2.12% 1.76%
1968 2.12% 1.59%
1967 2.12% 1.41%
1966 2.12% 1.25%
1965 2.12% 1.15%
1964 2.12% 1.07%
1963 2.2% 1.02%
1962 2.27% 1.01%
1961 2.22% 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/cambodia/sao-tome-and-principe | CC BY

In 2025, the population of Cambodia grew by 1.19%, while Sao Tome and Principe's population grew by 2%.

Live population counters

Cambodia Sao Tome
Current population
18159213
247495
Population rank 73/197 176/197
Percent of world population 0.22% 0.003%
One net population change
2.52 minutes
1.86 hours
One birth every
1.47 minutes
1.32 hours
One death every
4.62 minutes
6.73 hours
Daily growth/decline +573 +13
Annual growth/decline +209,181 +4,718
Annual growth/decline rate +1.19% +2%
Population growth rate rank 88/197 50/197
One migration net change every
16.7 minutes
13.5 hours
Annual migration change -31,469 -650
Net migration rank 167/196 90/196
Foreign-born residents 83,925 1,955
Foreign-born residents rank 136/195 194/195
Foreign-born share of population 0.5% 0.8%
Foreign-born share rank 175/195 162/195

Natural population change vs migration

Cambodia
Natural

Migration
Sao Tome and Principe
Natural

Migration
1x
Year Population change
Cambodia Sao Tome
Natural Migration Natural Migration
2025 - -31,469 - -650
2024 244,386 -32,960 5,315 -604
2023 250,242 -31,837 5,221 -592
2022 257,269 -31,350 5,102 -592
2021 255,939 -27,025 4,954 -782
2020 268,745 0 4,874 0
2019 276,870 -57,268 4,932 -1,716
2018 280,671 -86,702 4,957 -1,757
2017 282,698 -74,362 5,007 -1,779
2016 284,130 -51,324 5,125 -1,793
2015 284,390 -58,101 5,269 -1,809
2014 283,193 -56,536 5,381 -1,801
2013 281,013 -54,554 5,449 -1,787
2012 276,649 -52,874 5,501 -1,739
2011 272,161 -50,941 5,445 -1,616
2010 272,266 -49,781 5,391 -1,529
2009 274,700 -49,354 5,349 -1,328
2008 272,132 -50,809 5,297 -1,203
2007 270,745 -68,653 5,226 -1,127
2006 263,697 -60,315 5,057 -1,031
2005 256,756 -60,473 4,897 -941
2004 251,650 -58,972 4,810 -894
2003 251,884 -57,026 4,702 -816
2002 251,860 -55,245 4,591 -690
2001 250,726 -53,815 4,471 -1,289
2000 246,330 -50,957 4,334 -2,798
1999 245,425 -47,608 4,221 -2,594
1998 251,076 -33,781 4,120 -2,364
1997 252,351 504,742 4,041 -2,153
1996 274,147 508,187 3,993 -1,974
1995 280,168 503,042 3,948 -1,829
1994 286,728 488,732 3,860 -1,644
1993 282,221 187,883 3,841 -1,527
1992 260,673 275,823 3,822 -1,432
1991 257,709 58,264 3,801 -1,362
1990 249,776 58,455 3,719 -727
1989 239,211 55,125 3,576 -571
1988 243,203 -14,627 3,544 -465
1987 235,064 44,442 3,440 -470
1986 221,684 43,356 3,180 -614
1985 214,101 4,677 3,242 -828
1984 207,700 -29,141 3,163 -1,041
1983 192,849 46,428 3,100 -1,203
1982 180,300 -20,026 3,047 -1,203
1981 166,578 -22,982 3,015 -1,067
1980 159,157 -133,508 2,965 -770
1979 78,143 118,334 2,893 -491
1978 -357,478 -84,695 2,800 -279
1977 -416,117 -55,504 2,705 -255
1976 -408,505 -52,741 2,608 -302
1975 -383,806 -47,717 2,515 -392
1974 73,001 -45,225 2,422 -474
1973 101,304 -42,053 2,329 -525
1972 113,190 -40,764 2,232 -517
1971 113,813 -80,232 2,127 -430
1970 122,832 -193,008 1,980 -279
1969 156,777 -17,676 1,862 -469
1968 153,444 -17,745 1,767 -520
1967 150,046 -16,983 1,693 -606
1966 147,583 -17,216 1,642 -688
1965 144,460 -16,930 1,611 -765
1964 141,216 -16,516 1,600 -819
1963 137,562 -15,929 1,609 -886
1962 132,861 -3,578 1,625 -927
1961 128,259 -4,764 1,657 -960
1960 124,237 -5,339 1,547 -860

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

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

Over the last 10 years, 85.6% of the population change in Cambodia is from natural causes (a gain of 2,685,340 people) and 14.4% is from migration (a loss of 450,929 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, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 1,955 people or 0.8% in Sao Tome and Principe.

Biggest cities by population

Cambodia
City Population
Phnom Penh 2.13M
Siem Reap 245K
Battambang 119K
Serei Saophoan 99K
Sihanoukville 71.1K
Kampong Cham 61.8K
Kampot 42.1K
Svay Rieng 41.4K
Prey Veng 33.1K
Stung Treng 29.7K
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/cambodia/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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