World Factbook
Cambodia
Preahreacheanachakr Kampuchea (phonetic transliteration)
Last updated: 2026-03-28 (today)
Literacy
male
81.5% (2021 est.)
female
63.6% (2021 est.)
total population
71.9% (2021 est.)
Languages
Languages
Khmer (official) 95.8%, minority languages 2.9%, Chinese 0.6%, Vietnamese 0.5%, other 0.2% (2019 est.)
major-language sample(s)
សៀវភៅហេតុការណនៅលើពិភពលោក។ ទីតាំងពត៏មានមូលដានគ្រឹះយាងសំខាន់។. (Khmer) The World Factbook, the indispensable source for basic information.
Religions
Buddhist (official) 97.1%, Muslim 2%, Christian 0.3%, other 0.5% (2019 est.)
Sex ratio
at birth
1.04 male(s)/female
0-14 years
1.02 male(s)/female
15-64 years
0.95 male(s)/female
total population
0.94 male(s)/female (2024 est.)
65 years and over
0.55 male(s)/female
Birth rate
17.74 births/1,000 population (2025 est.)
Death rate
5.62 deaths/1,000 population (2025 est.)
Median age
male
26.9 years
total
28.3 years (2025 est.)
female
28.9 years
Population
male
8,362,224
total
17,230,333 (2025 est.)
female
8,868,109
Nationality
noun
Cambodian(s)
adjective
Cambodian
Tobacco use
male
24.9% (2025 est.)
total
14.5% (2025 est.)
female
4.7% (2025 est.)
Urbanization
urban population
25.6% of total population (2023)
rate of urbanization
3.06% annual rate of change (2020-25 est.)
Age structure
0-14 years
28.9% (male 2,497,056/female 2,436,618)
15-64 years
65.8% (male 5,456,941/female 5,765,206)
65 years and over
5.3% (2024 est.) (male 323,591/female 584,257)
Ethnic groups
Khmer 95.4%, Cham 2.4%, Chinese 1.5%, other 0.7% (2019-20 est.)
Child marriage
men married by age 18
3.3% (2022)
women married by age 15
1.9% (2022)
women married by age 18
17.9% (2022)
Dependency ratios
total dependency ratio
51.2 (2025 est.)
youth dependency ratio
42.9 (2025 est.)
potential support ratio
11.9 (2025 est.)
elderly dependency ratio
8.4 (2025 est.)
Physician density
0.21 physicians/1,000 population (2019)
Health expenditure
Health expenditure (as % of GDP)
7.5% of GDP (2021)
Health expenditure (as % of national budget)
7% of national budget (2022 est.)
Net migration rate
-2.62 migrant(s)/1,000 population (2025 est.)
Hospital bed density
0.7 beds/1,000 population (2018 est.)
Total fertility rate
2.14 children born/woman (2025 est.)
Drinking water source
improved: rural
rural: 72.8% of population (2022 est.)
improved: total
total: 78% of population (2022 est.)
improved: urban
urban: 93.6% of population (2022 est.)
unimproved: rural
rural: 27.2% of population (2022 est.)
unimproved: total
total: 22% of population (2022 est.)
unimproved: urban
urban: 6.4% of population (2022 est.)
Education expenditure
Education expenditure (% GDP)
2.2% of GDP (2023 est.)
Education expenditure (% national budget)
11.6% national budget (2025 est.)
Infant mortality rate
male
31.3 deaths/1,000 live births
total
27.2 deaths/1,000 live births (2025 est.)
female
24.4 deaths/1,000 live births
Population growth rate
0.95% (2025 est.)
Gross reproduction rate
1.05 (2025 est.)
Population distribution
population concentrated in the southeast, particularly in and around the capital of Phnom Penh; further distribution is linked closely to the Tonle Sap and Mekong Rivers
Life expectancy at birth
male
69.6 years
female
73.3 years
total population
71.4 years (2024 est.)
Maternal mortality ratio
137 deaths/100,000 live births (2023 est.)
Sanitation facility access
improved: rural
rural: 79.6% of population (2022 est.)
improved: total
total: 84.7% of population (2022 est.)
improved: urban
urban: 100% of population (2022 est.)
unimproved: rural
rural: 20.4% of population (2022 est.)
unimproved: total
total: 15.3% of population (2022 est.)
unimproved: urban
urban: 0% of population (2022 est.)
Alcohol consumption per capita
beer
4.12 liters of pure alcohol (2019 est.)
wine
0.03 liters of pure alcohol (2019 est.)
total
4.56 liters of pure alcohol (2019 est.)
spirits
0.41 liters of pure alcohol (2019 est.)
other alcohols
0 liters of pure alcohol (2019 est.)
Major urban areas - population
2.281 million PHNOM PENH (capital) (2023)
Obesity - adult prevalence rate
3.9% (2016)
Mother's mean age at first birth
23.3 years (2021-22 est.)
note: data represents median age at first birth among women 25-49
Currently married women (ages 15-49)
67.2% (2022 est.)
Children under the age of 5 years underweight
16.3% (2021 est.)
School life expectancy (primary to tertiary education)
male
11 years (2023 est.)
total
11 years (2023 est.)
female
11 years (2023 est.)