data cambodia 2021National Institute of Statistics (NIS) [Cambodia], Ministry of Health (MoH) [Cambodia], and ICF. 2025. Cambodia Demographic and Health Survey 2021–22 Final Report. Phnom Penh,Population, total - Cambodia ( 1 ) United Nations Population Division. World Population Prospects: 2025 Revision; ( 2 ) Statistical databases and publications from national statistical offices; (