Dayak people the Japanese Occupation, the Japanese referred Kaharingan as the religion of the Dayak people. During the New Order in the Suharto regime in 1980, the Kaharingan is registered as a form of Hinduism in Indonesia, as the Indonesian state only recognises 6 forms of religion i.e. Islam, Protestantism, Roman Catholicism, Hinduism, Buddhism and Confucianism respectively. The integration of Kaharingan with Hinduism is not due to the similarities in the theological system, but due to the fact that Kaharingan is the oldest belief in Kalimantan. Unlike the development in Indonesian Kalimantan, the Kaharingan is not recognised as a religion both in
Kayeli people there were approximately 800 people left by the early 21st century. In regards to religion, majority of the them are Sunni Muslims, with some remnants of pagan beliefs. Representative of the ethnic group have completely lost their native Kayeli language by the end of the 20th century as they began to adopt other indigenous Buru languages or Indonesian language. Ethnogenesis of Kayeli is directly associated with the colonization of the Buru island by the Dutch East India Company in the 17th century. In 1658, the first permanent Dutch settlement and a military fort were built at the southern coast of