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Population in Cambodia compared to the Congo: Trends, Charts, Rankings

Updated on by Georank

The latest officially reported population of Cambodia was 17,847,982 in 2025 vs 6,484,437 people in the Congo in 2025. In 2026, based on the adjusted UN estimation, the current Cambodia's population is 18,159,213 people compared to 6,718,789 in the Congo.

Population statistics:

  • Cambodia's population is 2.7 times bigger than the Congo's.
  • Cambodia is ranked the 73rd most populous country in the world, while the Congo is the 109th.
  • The countries together account for 0.3% of the world: 0.22% for Cambodia vs 0.08% for the Congo.
  • For the last 10 years, Cambodia has had an average growth rate of +1.35% per year vs +2.44% in the Congo.
  • Since 2006, the population of Cambodia has increased from 13.6M people to 18.2M (33.1% growth), while the Congo has grown from 3.84M to 6.72M (75.1% growth).

Cambodia vs Congo: population by year and forecast

Cambodia
Factual

Projection
Congo
Factual

Projection
1x
Year Population
Cambodia Congo
2100 22,901,914 20,194,267
2099 22,958,383 20,053,234
2098 23,015,331 19,906,909
2097 23,068,989 19,760,110
2096 23,118,854 19,610,521
2095 23,162,704 19,459,493
2094 23,207,466 19,306,835
2093 23,247,521 19,151,289
2092 23,285,540 18,990,577
2091 23,317,510 18,828,222
2090 23,349,581 18,663,146
2089 23,381,110 18,497,842
2088 23,404,619 18,325,571
2087 23,429,179 18,153,731
2086 23,450,970 17,979,773
2085 23,469,059 17,807,843
2084 23,486,236 17,631,386
2083 23,498,658 17,453,221
2082 23,506,751 17,270,773
2081 23,512,878 17,093,270
2080 23,518,840 16,910,570
2079 23,523,165 16,728,955
2078 23,523,989 16,542,829
2077 23,519,769 16,357,926
2076 23,512,440 16,173,005
2075 23,506,393 15,981,904
2074 23,494,004 15,791,626
2073 23,481,588 15,597,321
2072 23,463,712 15,402,110
2071 23,443,140 15,205,567
2070 23,420,769 15,009,147
2069 23,393,461 14,808,250
2068 23,362,386 14,609,790
2067 23,324,169 14,412,802
2066 23,283,399 14,211,022
2065 23,242,009 14,010,661
2064 23,191,929 13,810,933
2063 23,139,318 13,609,626
2062 23,083,489 13,405,080
2061 23,020,659 13,204,362
2060 22,951,813 13,004,957
2059 22,877,844 12,806,162
2058 22,799,179 12,609,233
2057 22,715,484 12,413,395
2056 22,628,607 12,217,406
2055 22,537,541 12,022,740
2054 22,440,088 11,824,813
2053 22,338,320 11,627,983
2052 22,231,339 11,431,875
2051 22,117,409 11,235,188
2050 22,001,254 11,039,311
2049 21,877,484 10,844,973
2048 21,749,790 10,650,230
2047 21,618,052 10,453,401
2046 21,480,480 10,258,550
2045 21,340,224 10,063,886
2044 21,195,511 9,871,213
2043 21,046,437 9,676,000
2042 20,893,438 9,482,485
2041 20,738,659 9,287,235
2040 20,582,241 9,096,577
2039 20,421,184 8,907,177
2038 20,256,225 8,719,250
2037 20,088,660 8,532,935
2036 19,922,341 8,348,719
2035 19,747,906 8,166,676
2034 19,573,792 7,985,679
2033 19,395,265 7,805,748
2032 19,215,259 7,628,440
2031 19,030,553 7,453,476
2030 18,843,778 7,284,111
2029 18,652,372 7,117,929
2028 18,456,287 6,955,268
2027 18,256,828 6,794,778
2026 18,056,115 6,638,532
2025 17,847,982 6,484,437
2024 17,638,801 6,332,961
2023 17,423,880 6,182,885
2022 17,201,724 6,035,104
2021 16,974,305 5,892,183
2020 16,725,474 5,752,791
2019 16,481,304 5,616,661
2018 16,274,522 5,483,118
2017 16,073,372 5,351,011
2016 15,852,803 5,222,536
2015 15,623,251 5,097,581
2014 15,396,772 4,975,880
2013 15,170,208 4,857,099
2012 14,945,085 4,740,450
2011 14,722,584 4,609,724
2010 14,500,726 4,462,290
2009 14,276,810 4,281,219
2008 14,053,479 4,113,517
2007 13,841,770 3,980,430
2006 13,639,028 3,837,409
2005 13,439,202 3,696,393
2004 13,244,731 3,565,554
2003 13,050,968 3,445,753
2002 12,855,241 3,350,771
2001 12,658,484 3,272,537
2000 12,462,336 3,151,345
1999 12,265,731 3,032,874
1998 12,058,173 2,952,061
1997 11,570,982 2,887,862
1996 10,801,270 2,826,785
1995 10,018,497 2,749,461
1994 9,239,162 2,673,144
1993 8,616,381 2,595,124
1992 8,113,083 2,519,465
1991 7,686,850 2,449,229
1990 7,374,752 2,380,560
1989 7,073,473 2,313,558
1988 6,812,014 2,247,653
1987 6,557,970 2,183,473
1986 6,285,693 2,120,602
1985 6,043,783 2,059,311
1984 5,845,117 1,999,528
1983 5,636,203 1,950,321
1982 5,436,432 1,910,430
1981 5,284,495 1,869,759
1980 5,199,872 1,828,985
1979 5,088,808 1,788,524
1978 5,211,653 1,748,089
1977 5,668,551 1,707,568
1976 6,134,991 1,667,225
1975 6,581,371 1,627,032
1974 6,783,240 1,582,301
1973 6,739,726 1,533,680
1972 6,673,886 1,486,468
1971 6,620,880 1,441,039
1970 6,639,182 1,397,638
1969 6,604,725 1,356,182
1968 6,467,324 1,316,519
1967 6,332,944 1,278,691
1966 6,201,232 1,242,534
1965 6,072,289 1,207,880
1964 5,946,178 1,174,816
1963 5,823,010 1,143,263
1962 5,697,558 1,113,175
1961 5,571,168 1,084,389
1960 5,449,966 1,056,732

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/congo | CC BY

From 2006 to 2016, the population of Cambodia increased by 2,213,775 people (a 16.2% growth), while the Congo gained 1,385,127 people (a 36.1% growth).

For the next 10 years, from 2016 to 2026, Cambodia gained 2,306,410 people (a 14.5% growth), while the Congo's population increased by 1,496,253 people (a 28.6% growth).

Cambodia was ranked 67th most populous country in 2006 and is 73rd in 2026. The Congo was ranked 125th in 2006 and ranked 109th 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 the Congo will increase by 64.3% to 11,039,311 people and rank change from 109th to 95th.

Cambodia is projected to reach its peak in 2078 at 23.5M people compared to the peak of 20.2M people in 2100 for the Congo.

Population growth rate by year

Cambodia
Factual

Projection
Congo
Factual

Projection
1x
Year Growth rate
Cambodia Congo
2100 -0.25% 0.7%
2099 -0.25% 0.74%
2098 -0.23% 0.74%
2097 -0.22% 0.76%
2096 -0.19% 0.78%
2095 -0.19% 0.79%
2094 -0.17% 0.81%
2093 -0.16% 0.85%
2092 -0.14% 0.86%
2091 -0.14% 0.88%
2090 -0.13% 0.89%
2089 -0.1% 0.94%
2088 -0.1% 0.95%
2087 -0.09% 0.97%
2086 -0.08% 0.97%
2085 -0.07% 1%
2084 -0.05% 1.02%
2083 -0.03% 1.06%
2082 -0.03% 1.04%
2081 -0.03% 1.08%
2080 -0.02% 1.09%
2079 -0.004% 1.13%
2078 0.02% 1.13%
2077 0.03% 1.14%
2076 0.03% 1.2%
2075 0.05% 1.2%
2074 0.05% 1.25%
2073 0.08% 1.27%
2072 0.09% 1.29%
2071 0.1% 1.31%
2070 0.12% 1.36%
2069 0.13% 1.36%
2068 0.16% 1.37%
2067 0.18% 1.42%
2066 0.18% 1.43%
2065 0.22% 1.45%
2064 0.23% 1.48%
2063 0.24% 1.53%
2062 0.27% 1.52%
2061 0.3% 1.53%
2060 0.32% 1.55%
2059 0.35% 1.56%
2058 0.37% 1.58%
2057 0.38% 1.6%
2056 0.4% 1.62%
2055 0.43% 1.67%
2054 0.46% 1.69%
2053 0.48% 1.72%
2052 0.52% 1.75%
2051 0.53% 1.77%
2050 0.57% 1.79%
2049 0.59% 1.83%
2048 0.61% 1.88%
2047 0.64% 1.9%
2046 0.66% 1.93%
2045 0.68% 1.95%
2044 0.71% 2.02%
2043 0.73% 2.04%
2042 0.75% 2.1%
2041 0.76% 2.1%
2040 0.79% 2.13%
2039 0.81% 2.16%
2038 0.83% 2.18%
2037 0.83% 2.21%
2036 0.88% 2.23%
2035 0.89% 2.27%
2034 0.92% 2.31%
2033 0.94% 2.32%
2032 0.97% 2.35%
2031 0.99% 2.33%
2030 1.03% 2.33%
2029 1.06% 2.34%
2028 1.09% 2.36%
2027 1.11% 2.35%
2026 1.17% 2.38%
2025 1.19% 2.39%
2024 1.23% 2.43%
2023 1.29% 2.45%
2022 1.34% 2.43%
2021 1.49% 2.42%
2020 1.48% 2.42%
2019 1.27% 2.44%
2018 1.25% 2.47%
2017 1.39% 2.46%
2016 1.47% 2.45%
2015 1.47% 2.45%
2014 1.49% 2.45%
2013 1.51% 2.46%
2012 1.51% 2.84%
2011 1.53% 3.3%
2010 1.57% 4.23%
2009 1.59% 4.08%
2008 1.53% 3.34%
2007 1.49% 3.73%
2006 1.49% 3.81%
2005 1.47% 3.67%
2004 1.48% 3.48%
2003 1.52% 2.83%
2002 1.55% 2.39%
2001 1.57% 3.85%
2000 1.6% 3.91%
1999 1.72% 2.74%
1998 4.21% 2.22%
1997 7.13% 2.16%
1996 7.81% 2.81%
1995 8.44% 2.85%
1994 7.23% 3.01%
1993 6.2% 3%
1992 5.54% 2.87%
1991 4.23% 2.88%
1990 4.26% 2.9%
1989 3.84% 2.93%
1988 3.87% 2.94%
1987 4.33% 2.96%
1986 4% 2.98%
1985 3.4% 2.99%
1984 3.71% 2.52%
1983 3.67% 2.09%
1982 2.88% 2.18%
1981 1.63% 2.23%
1980 2.18% 2.26%
1979 -2.36% 2.31%
1978 -8.06% 2.37%
1977 -7.6% 2.42%
1976 -6.78% 2.47%
1975 -2.98% 2.83%
1974 0.65% 3.17%
1973 0.99% 3.18%
1972 0.8% 3.15%
1971 -0.28% 3.11%
1970 0.52% 3.06%
1969 2.12% 3.01%
1968 2.12% 2.96%
1967 2.12% 2.91%
1966 2.12% 2.87%
1965 2.12% 2.81%
1964 2.12% 2.76%
1963 2.2% 2.7%
1962 2.27% 2.65%
1961 2.22% 2.62%

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/congo | CC BY

In 2025, the population of Cambodia grew by 1.19%, while the Congo's population grew by 2.39%.

Live population counters

Cambodia Congo
Current population
18159213
6718789
Population rank 73/197 109/197
Percent of world population 0.22% 0.08%
One net population change
2.52 minutes
3.48 minutes
One birth every
1.47 minutes
2.73 minutes
One death every
4.62 minutes
13.3 minutes
Daily growth/decline +573 +415
Annual growth/decline +209,181 +151,476
Annual growth/decline rate +1.19% +2.39%
Population growth rate rank 88/197 31/197
One migration net change every
16.7 minutes
2.93 hours
Annual migration change -31,469 -2,999
Net migration rank 167/196 108/196
Foreign-born residents 83,925 385,589
Foreign-born residents rank 136/195 91/195
Foreign-born share of population 0.5% 6.1%
Foreign-born share rank 175/195 86/195

Natural population change vs migration

Cambodia
Natural

Migration
Congo
Natural

Migration
1x
Year Population change
Cambodia Congo
Natural Migration Natural Migration
2025 - -31,469 - -2,999
2024 244,386 -32,960 153,150 -2,491
2023 250,242 -31,837 150,486 -995
2022 257,269 -31,350 147,076 -995
2021 255,939 -27,025 144,241 -4,476
2020 268,745 0 143,492 -4,472
2019 276,870 -57,268 139,513 -6,268
2018 280,671 -86,702 142,704 -8,856
2017 282,698 -74,362 141,973 -11,601
2016 284,130 -51,324 141,358 -14,783
2015 284,390 -58,101 141,539 -18,207
2014 283,193 -56,536 141,674 -21,598
2013 281,013 -54,554 142,080 -24,605
2012 276,649 -52,874 142,464 -26,643
2011 272,161 -50,941 140,371 5,262
2010 272,266 -49,781 136,908 12,318
2009 274,700 -49,354 126,904 86,014
2008 272,132 -50,809 120,711 1,774
2007 270,745 -68,653 112,459 31,239
2006 263,697 -60,315 106,876 35,475
2005 256,756 -60,473 101,344 38,337
2004 251,650 -58,972 96,577 25,412
2003 251,884 -57,026 91,326 26,280
2002 251,860 -55,245 88,497 -16,140
2001 250,726 -53,815 84,876 -764
2000 246,330 -50,957 78,491 79,780
1999 245,425 -47,608 76,204 2,470
1998 251,076 -33,781 72,450 10,500
1997 252,351 504,742 66,149 -20,704
1996 274,147 508,187 75,628 1,085
1995 280,168 503,042 74,189 3,747
1994 286,728 488,732 72,857 1,850
1993 282,221 187,883 71,119 10,218
1992 260,673 275,823 69,973 0
1991 257,709 58,264 68,534 1,966
1990 249,776 58,455 67,241 -395
1989 239,211 55,125 65,944 1,214
1988 243,203 -14,627 64,629 22
1987 235,064 44,442 63,183 525
1986 221,684 43,356 61,669 367
1985 214,101 4,677 60,359 182
1984 207,700 -29,141 59,028 0
1983 192,849 46,428 58,120 -18,720
1982 180,300 -20,026 57,036 -16,664
1981 166,578 -22,982 56,603 -15,630
1980 159,157 -133,508 55,550 -14,972
1979 78,143 118,334 54,723 -14,378
1978 -357,478 -84,695 53,885 -13,356
1977 -416,117 -55,504 53,179 -12,673
1976 -408,505 -52,741 52,148 -11,971
1975 -383,806 -47,717 51,155 -10,944
1974 73,001 -45,225 49,563 -312
1973 101,304 -42,053 48,017 -22
1972 113,190 -40,764 46,427 0
1971 113,813 -80,232 44,431 0
1970 122,832 -193,008 42,374 0
1969 156,777 -17,676 40,532 0
1968 153,444 -17,745 38,786 0
1967 150,046 -16,983 36,866 0
1966 147,583 -17,216 35,452 0
1965 144,460 -16,930 33,865 0
1964 141,216 -16,516 32,270 0
1963 137,562 -15,929 30,832 0
1962 132,861 -3,578 29,342 0
1961 128,259 -4,764 28,220 0
1960 124,237 -5,339 27,094 0

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

GeoRank.org/population/cambodia/congo | 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 the Congo 95.2% is from natural causes (a gain of 1,445,532 people) and 4.82% is from migration (a loss of 73,144 people).

As of 2024, 83,925 residents or 0.5% of the population were not native-born in Cambodia, compared to 385,589 people or 6.1% in the Congo.

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
Congo
City Population
Brazzaville 2.15M
Pointe-Noire 1.42M
Kayes 127K
Madingou 36.2K
Gamboma 26.1K
Kinkala 12.1K

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/congo | 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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