Buddhism is the official religion of Cambodia. Approximately 98% of Cambodia's population follows Theravada Buddhism, with Islam, Christianity, and tribal animism as well as Baha’i faith making up the bulk of the small remainder. The wat (Buddhist monastery) and Sangha (monkhood), together with essential Buddhist doctrines such as reincarnation and the accumulation of merit, are at the centre of religious life. According to The World Factbook in 2013, 97.9% of Cambodia's population was Buddhist, 1.1% Muslim, 0.5% Christian and 0.6% Other.