Cambodia Flag

Cambodia

Population

18,112,917

Estimated as of Oct 22, 2026View source
Population rank
73rd
Share of world
0.22%
Annual change
+203,2371.24%

Population of Cambodia

10M20M30M40M50M60M95% prediction intervalProjected peak202618.1M2050 projection21.9M↑ 21% from 202619601980200020202040206020802100

Source: United Nations — World Population Prospects (2024 Revision)

Current population estimate: 18,112,917. 2050 projection: 21,931,455.Use the arrow keys on the chart to inspect individual years.

Historical population estimates for Cambodia. Annual change is shown as a percentage.
202618,051,2191.24%73
202517,847,9821.31%73
202016,725,4741.48%72
201916,481,3041.27%71
201816,274,5221.25%70
201716,073,3721.39%70
201515,623,2511.50%70
201014,500,7261.53%68
200513,439,2021.52%67
200012,462,3364.46%64

Showing 10 of 19 years.

Population by City

Phnom Penh is home to 2,542,893 people, 14.09% of Cambodia's population.

City population2M1M400K
Phnom Penh 2.5MSiem Reap 259.6KBattambang 145.0KTa Khmau 99.2KPoipet 91.2KSisophon 80.5KPreah Sihanouk 72.3KKampong Thom 63.0KPouthisat 62.7KTakev 55.4K
Largest cities by 2026 population and share of the national population.
1Phnom Penh2.5M14.09%
2Siem Reap259.6K1.44%
3Battambang145.0K0.80%
4Ta Khmau99.2K0.55%
5Poipet91.2K0.51%
6Sisophon80.5K0.45%
7Preah Sihanouk72.3K0.40%
8Kampong Thom63.0K0.35%
9Pouthisat62.7K0.35%
10Takev55.4K0.31%

Cambodia by the Numbers

Estimated as of Oct 22, 2026

Population
Cambodia is home to an estimated 18,112,917 people, the 73rd largest population in the world.
Daily change
Cambodia has a net population change of approximately 546 people per day, driven by 965 births, 325 deaths, and net emigration of 94 people.
Share of world
Cambodia makes up 0.22% of the world's population and 0.36% of Asia's.
Density
102.3 people per km² of land (264.9 per mi²), ranking 116th among countries and territories.
Urban living
41.11% of people live in urban areas.

Cambodia Demographics

Age & longevity

MaleFemale100+ years, male: 15100+ years, female: 5995–99 years, male: 34895–99 years, female: 96590–94 years, male: 3,34090–94 years, female: 7,53485–89 years, male: 14,03385–89 years, female: 26,86180–84 years, male: 37,33980–84 years, female: 64,46375–79 years, male: 78,41975–79 years, female: 128,81770–74 years, male: 129,19870–74 years, female: 209,05265–69 years, male: 207,60765–69 years, female: 283,78560–64 years, male: 289,17660–64 years, female: 345,84255–59 years, male: 344,19855–59 years, female: 389,15250–54 years, male: 344,97350–54 years, female: 373,30645–49 years, male: 500,60145–49 years, female: 517,45040–44 years, male: 633,82240–44 years, female: 657,69635–39 years, male: 682,09635–39 years, female: 704,58630–34 years, male: 673,10530–34 years, female: 703,49525–29 years, male: 638,63825–29 years, female: 662,88420–24 years, male: 741,84720–24 years, female: 730,51215–19 years, male: 841,85615–19 years, female: 810,79910–14 years, male: 866,14010–14 years, female: 834,8125–9 years, male: 924,6255–9 years, female: 884,7630–4 years, male: 901,8830–4 years, female: 861,125100+95–9990–9485–8980–8475–7970–7465–6960–6455–5950–5445–4940–4435–3930–3425–2920–2415–1910–145–90–4500K500K

Hover or tap an age group to see exact counts. Use the up and down arrow keys to inspect age groups.

Median age

27.4 yrs

World: 31

Life expectancy

71.1 yrs

World: 73.8

Male

49.05%

Female

50.95%

Life expectancy 68.5Life expectancy 73.7

Ethnicity

95.4%

Khmer

  • Khmer95.4%
  • Cham2.4%
  • Chinese1.5%
  • Other0.7%
Data notes

Source estimate: 2019-20 est.

Religion

97.1%

Buddhist (official), the largest religion

  • Buddhist (official)97.1%
  • Muslim2%
  • Other0.9%
Data notes

Source estimate: 2019 est.

Other: includes Christian, animist, Baha'i

Related Pages

Sources

  1. World Population Prospects (2024 Revision) - United Nations population estimates and projections.
  2. World Population Prospects (2024 Revision) - Cambodia United Nations Graphs/Profiles
  3. World Bank / UN World Urbanization Prospects - 2025: Urban population (% of total population), using national definitions.
  4. National Institute of Statistics