Indicator	Value
Total population	17,600,000 peopleUN DESA WPP [2024] 17,640,000 people·World Bank WDI [2024] 17,640,000 people
Median age	26 yearsUN DESA WPP [2024]
Life expectancy	70.7–70.8 yearsWorld Bank WDI [2024] 70.82 years·UNDP HDI [2023] 70.67 years
Ethnic groups	Khmer 95.4%, Cham 2.4%, Chinese 1.5%, other 0.7% (2019-20 est.)CIA World Factbook [2025] · 2026 archive
Languages	Khmer (official) 95.8%, minority languages 2.9%, Chinese 0.6%, Vietnamese 0.5%, other 0.2% (2019 est.)CIA World Factbook [2025] · 2026 archive
Religions	Buddhist (official) 97.1%, Muslim 2%, Christian 0.3%, other 0.5% (2019 est.)CIA World Factbook [2025] · 2026 archive
Urbanization	25.6% of total population (2023)CIA World Factbook [2025] · 2026 archive
Population growth	1.23 %World Bank WDI [2024]
Birth rate	20.3 per 1,000World Bank WDI [2024]
Death rate	6.45 per 1,000World Bank WDI [2024]
Urban population	40.9 %World Bank WDI [2024]
Languages (structured)	Brao Budeh Stieng Bulo Stieng Cambodian Sign Language Central Khmer Central Mnong Chong of Chanthaburi Jarai Kaco' Kraol Kuy Lamam Lao Mel-Khaonh Northeastern Thai Northern Khmer Old Khmer Pear Rade Sa'och Samre of Siem Reap Somray of Battambang-Somre of Siem Reap Sou Suoy Tampuan Thai Western Cham Glottolog [2026]