About 97% Theravada Buddhist.
Source Religious Composition of the World, 2010-2020Pew Research Center
This source names Cambodia directly: "two million adherents in Vietnam, Cambodia, France and the United States, and that a United Nations finding as of January 2015 put the number of Caodaists in Vietnam at about 2.5 million, against..."
Source Cao Dai
This source names Cambodia directly: "established in North America, Cambodia, Europe and Australia after 1975."
Source Cao Dai (Wikipedia)Wikipedia contributors
This source names Cambodia directly: "Reliable for the religion's early spread to Cambodia: Vietnamese settlers built the Kim Bien House of Gratitude in Phnom Penh during Cao Dai's formative years, and by 1927 missionary efforts had..."
Source Cao Dai Diaspora (Wikipedia)Wikipedia contributors
This source names Cambodia directly: "The Constitutional Council of Cambodia's own official text of the Constitution of the Kingdom of Cambodia, whose Article 43 establishes Buddhism as the religion of the State while guaranteeing Khmer..."
Source Constitution of the Kingdom of Cambodia (Constitutional Council of Cambodia)Kingdom of Cambodia
This source names Cambodia directly: "Kampuchea was the official name of Cambodia under the Communist Party of Kampuchea, the Khmer Rouge, from 1975 to 1979."
Source Extraordinary Chambers in the Courts of Cambodia, Case 002/02 case record (eccc.gov.kh)Extraordinary Chambers in the Courts of Cambodia
This source names Cambodia directly: "An edited scholarly volume on Cambodian religion published by the University of Hawaii Press in 2004, gathering essays by specialists in Khmer Buddhism and popular religion."
Source History, Buddhism, and New Religious Movements in Cambodia (Marston and Guthrie, eds.)John Marston and Elizabeth Guthrie (eds.)
Source Encyclopedia of ReligionMircea Eliade (ed.); Lindsay Jones (ed., 2nd ed.)
The empire was centred on Angkor in present-day Cambodia, and its monuments remain the country's national symbol.
Source The Civilization of AngkorCharles Higham
This source names Cambodia directly: "Funan kingdom, whose Hindu presence in Cambodia is already recorded here, and Bhadravarman's foundation at My Son became the religious and political center the Champa kingdom would continue building..."
Source My Son Sanctuary (UNESCO World Heritage Centre)
This source names Cambodia directly: "is an all-male masked dance drama of Cambodia, performed today by a single surviving troupe attached to Wat Svay Andet, a Buddhist monastery on the Mekong east of Phnom Penh."
Source Lakhon Khol (Wikipedia)Wikipedia contributors
This source names Cambodia directly: "for Lkhon Khol Wat Svay Andet of Cambodia, inscribed 2018, consulted 2026-08-13."
Source Lkhon Khol Wat Svay Andet, UNESCO List of Intangible Cultural Heritage in Need of Urgent SafeguardingUNESCO Intergovernmental Committee for the Safeguarding of the Intangible Cultural Heritage
This source names Cambodia directly: "central to Khmer village religion in Cambodia."
Source History, Buddhism, and New Religious Movements in Cambodia (Marston and Guthrie, eds.)John Marston and Elizabeth Guthrie (eds.)
This source names Cambodia directly: "raised Angkor Wat as a Hindu temple in Cambodia around 1113, both already recorded here, South India's Chola dynasty raised the grandest Shaivite temple its architects had yet attempted."
Source Great Living Chola Temples (Archaeological Survey of India)
This source names Cambodia directly: "hundred years after Hinduism reached Cambodia with the Kingdom of Funan around 100, already recorded here, and roughly eighty years before King Bhadravarman founded the My Son sanctuary in Champa in..."
Source K.A. Nilakanta Sastri, A History of South India: From Prehistoric Times to the Fall of Vijayanagar (Oxford University Press)K.A. Nilakanta Sastri
This source names Cambodia directly: "in Myanmar, Choul Chnam Thmey in Cambodia and Pi Mai Lao in Laos."
Source Songkran in Thailand, Traditional Thai New Year FestivalUNESCO Intangible Cultural Heritage
This source names Cambodia directly: "across Burma, Thailand, Laos and Cambodia, written for readers who need to convert or verify historical dates rather than for general audiences."
Source The Calendrical Systems of Mainland South-East AsiaJ. C. Eade
Source Extraordinary Chambers in the Courts of Cambodia, Case 002/02 case record (eccc.gov.kh)Extraordinary Chambers in the Courts of Cambodia
This source names Cambodia directly: "journey through India, Sri Lanka, Cambodia and the northern Thai kingdoms, its 1434 discovery at Chiang Rai and its installation in its purpose built Bangkok temple in 1784 under Rama I."
Source The Temple of the Emerald Buddha (World History Encyclopedia)Kim Martins
This source names Cambodia directly: "Sri Lanka (about 13 million) and Cambodia (about 12 million), and that Theravadins accept as authoritative the Pali canon and trace their lineage to the Elders of the first Buddhist sangha."
Source Theravada
This source names Cambodia directly: "spread into Thailand, then into Cambodia and Laos, until Theravada stood as the dominant, eventually state, religion across the region, a position Cambodia, Myanmar, Thailand and Laos all still hold."
Source Theravada Buddhism: A Social History from Ancient Benares to Modern ColomboRichard Gombrich
This source names Cambodia directly: "The State Department's 2023 report on Cambodia describes the constitution naming Buddhism the state religion and the government's Ministry of Cults and Religions funding Buddhist training and..."
Source US Department of State, 2023 Report on International Religious Freedom: CambodiaUnited States Department of State, Office of International Religious Freedom
This source names Cambodia directly: "grow independently in North America, Cambodia, Europe and Australia."
Source The Creation Of The 1997 Cao Dai Sect (Vietnam FORB Roundtable)
This source names Cambodia directly: "diaspora communities in North America, Cambodia, Europe and Australia."
Source Cao Dai (Wikipedia)Wikipedia contributors