Cambodia population 2024 is 17.638.801 as of July 1, 7, based on the latest estimates by United Nations year 2024.
Cambodia Population Quick Facts 2024
| Population: | 17.638.801 |
| % of World population: | 0,22%. |
| World Ranking: | 73 |
| % annual change: | 1,20%. |
| Annual change: | 211.435 |
| Density (people/Km²): | 97,4 |
| Sex ratio (Male/100 Female): | 96,1 |
| Net migrants: | -32.960 |
| Fertility rate: | 2,55 |
| Median age: | 26,0 |
| Average life expectancy: | 70,8 |

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According to United Nations estimates, the population Campuchia 2024 17.638.801 people as of July 1, 7, increasing 1,20%, respectively 211.435 people compared to 1 year ago.
Campuchia is the second most populous country in the world. 73 World (occupy) 0,22% global population) and 7 Southeast Asia.
Population density
Campuchia has an average population density 96,1 people/km2, on land area 176.520 km2 (equal to about 57% of Vietnam's area). With this density, Cambodia is the 5th least populated country in Southeast Asia.
Median age and life expectancy
As of 2024, the median age in Cambodia is estimated to be 26,0 and the average life expectancy is 70,8, the 4th and 5th lowest in Southeast Asia, respectively.
Population structure by age group
Cambodia has 9,7% of its population under the age of 5; 20% between the ages of 5-14; 17% between the ages of 15-24; 49% between the ages of 25-64 and 5,5% between the ages of 65+. This structure shows a younger population in Cambodia compared to Vietnam.
Migrate
Last year, Cambodia estimated to have -32.960 net migrants.
Forecast
Cambodia's population is forecast to continue to grow for more than 40 years at a decreasing rate, peaking at nearly 21 million in 2066.
Cambodia Population Chart 2024 and History
| Year | Population | % change annual | to change by year | Net migration | Median age | Longevity Average | Sex ratio (Male/100 Female) | Density (N/Km²) |
| 2024 | 17.638.801 | 1,20%. | 211.435 | -32.960 | 26,0 | 70,8 | 96,1 | 97,4 |
| 2023 | 17.423.880 | 1,25%. | 218.405 | -31.837 | 25,8 | 70,7 | 96,0 | 96,2 |
| 2022 | 17.201.724 | 1,31%. | 225.909 | -31.350 | 25,6 | 70,5 | 95,9 | 95,0 |
| 2021 | 16.974.305 | 1,35%. | 228.927 | -27.025 | 25,4 | 69,3 | 95,8 | 93,8 |
| 2020 | 16.725.474 | 1,61%. | 268.737 | 0 | 25,1 | 70,1 | 95,7 | 92,4 |
| 2015 | 15.623.251 | 1,45%. | 226.301 | -58.101 | 23,2 | 69,4 | 95,4 | 86,3 |
| 2010 | 14.500.726 | 1,53%. | 222.486 | -49.781 | 21,3 | 67,3 | 95,0 | 80,1 |
| 2005 | 13.439.202 | 1,46%. | 196.270 | -60.473 | 19,1 | 64,1 | 93,9 | 74,2 |
| 2000 | 12.462.336 | 1,57%. | 195.381 | -50.957 | 17,0 | 59,5 | 92,6 | 68,8 |
| 1995 | 10.018.497 | 7,82%. | 783.214 | 503.042 | 15,9 | 56,6 | 92,9 | 55,3 |
| 1990 | 7.374.752 | 4,18%. | 308.220 | 58.455 | 17,2 | 55,2 | 91,3 | 40,7 |
| 1985 | 6.043.783 | 3,62%. | 218.771 | 4.677 | 16,8 | 50,8 | 87,7 | 33,4 |
| 1980 | 5.199.872 | 0,49%. | 25.650 | -133.508 | 16,7 | 47,5 | 85,9 | 28,7 |
| 1975 | 6.581.371 | -6,56% | -431.508 | -47.717 | 16,1 | 12,8 | 94,3 | 36,4 |
| 1970 | 6.639.182 | -1,06% | -70.191 | -193.008 | 16,5 | 38,6 | 100,1 | 36,7 |
| 1965 | 6.072.289 | 2,10%. | 127.519 | -16.930 | 16,8 | 44,5 | 100,8 | 33,5 |
| 1960 | 5.449.966 | 2,18%. | 118.895 | -5.339 | 17,1 | 42,1 | 100,8 | 30,1 |
| 1955 | 4.890.372 | 2,21%. | 108.111 | -4.946 | 17,3 | 40,3 | 100,5 | 27,0 |
| 1950 | 4.375.257 | 2,28%. | 99.515 | 1.856 | 17,5 | 38,9 | 100,1 | 24,2 |

Cambodia population forecast table
| Year | Population | % change annual | to change by year | Net migration | Age median | Longevity Average | Sex ratio (Male/100 Female) | Density (N/Km²) |
| 2025 | 17.847.982 | 1,16%. | 206.927 | -31.469 | 26,2 | 71,0 | 96,2 | 98,6 |
| 2030 | 18.827.388 | 0,99%. | 185.692 | -30.625 | 27,1 | 71,8 | 96,6 | 104,0 |
| 2035 | 19.720.141 | 0,88%. | 173.424 | -25.277 | 28,2 | 72,5 | 96,9 | 108,9 |
| 2040 | 20.540.682 | 0,76%. | 155.511 | -29.536 | 29,6 | 73,2 | 97,1 | 113,5 |
| 2045 | 21.286.237 | 0,66%. | 139.443 | -27.950 | 30,8 | 73,8 | 97,3 | 117,6 |
| 2050 | 21.931.455 | 0,53%. | 115.482 | -29.019 | 32,2 | 74,5 | 97,3 | 121,1 |
| 2055 | 22.452.161 | 0,40%. | 90.538 | -28.325 | 33,6 | 75,2 | 97,3 | 124,0 |
| 2060 | 22.852.986 | 0,30%. | 68.447 | -26.175 | 35,0 | 75,9 | 97,3 | 126,2 |
| 2065 | 23.127.852 | 0,18%. | 41.150 | -30.027 | 36,1 | 76,5 | 97,2 | 127,8 |
| 2070 | 23.296.121 | 0,10%. | 22.242 | -28.305 | 37,1 | 77,2 | 97,3 | 128,7 |
| 2075 | 23.373.134 | 0,03%. | 6.012 | -27.394 | 38,1 | 77,9 | 97,4 | 129,1 |
| 2080 | 23.379.539 | -0,03% | -5.928 | -25.069 | 39,0 | 78,5 | 97,6 | 129,1 |
| 2085 | 23.324.018 | -0,08% | -17.984 | -24.534 | 40,0 | 79,2 | 97,8 | 128,8 |
| 2090 | 23.198.283 | -0,14% | -31.885 | -23.893 | 41,0 | 79,8 | 98,0 | 128,1 |
| 2095 | 23.006.633 | -0,19% | -43.596 | -20.570 | 41,9 | 80,5 | 98,1 | 127,1 |
| 2100 | 22.738.858 | -0,27% | -60.590 | -22.872 | 42,7 | 81,1 | 98,3 | 125,6 |
Population of cities in Cambodia
| World ranking | City | Population 2024 | Population 2023 | % change |
| 223 | Phnom Penh | 2.352.680 | 2.281.198 | 3,1%. |
Population of religions in Cambodia
| Population | ||||||||
| Year | Christianity | Islamic | Hinduism | Buddhism | Folk religion | Judaism | Other religions | Non-religious |
| 2010 | 50.000 | 280.000 | <10.000 | 13.690.000 | 80.000 | <10.000 | <10.000 | 30.000 |
| 2020 | 60.000 | 320.000 | <10.000 | 15.690.000 | 90.000 | <10.000 | <10.000 | 30.000 |
| 2030 | 70.000 | 360.000 | <10.000 | 17.310.000 | 100.000 | <10.000 | <10.000 | 30.000 |
| 2040 | 70.000 | 390.000 | <10.000 | 18.400.000 | 110.000 | <10.000 | <10.000 | 40.000 |
| 2050 | 70.000 | 410.000 | <10.000 | 19.090.000 | 120.000 | <10.000 | <10.000 | 40.000 |
| Proportion (%) | ||||||||
| Year | Christianity | Islamic | Hinduism | Buddhism | Folk religion | Judaism | Other religions | Non-religious |
| 2010 | <1,0 | 2,0 | <1,0 | 96,9 | <1,0 | <1,0 | <1,0 | <1,0 |
| 2020 | <1,0 | 2,0 | <1,0 | 96,8 | <1,0 | <1,0 | <1,0 | <1,0 |
| 2030 | <1,0 | 2,0 | <1,0 | 96,8 | <1,0 | <1,0 | <1,0 | <1,0 |
| 2040 | <1,0 | 2,0 | <1,0 | 96,7 | <1,0 | <1,0 | <1,0 | <1,0 |
| 2050 | <1,0 | 2,1 | <1,0 | 96,7 | <1,0 | <1,0 | <1,0 | <1,0 |