History of religion in the Netherlands decreased from approximately 7,013,163 (43.22% overall population) in 2003 to 5,730,852 (34.15% overall population) in 2013. An additional 4.2% of the population adhere to other Protestant churches. With only 32.2% of the Dutch currently adhering to a religion, among which 25% adhere to Christianity and 5% to Islam, the Netherlands is one of the least religious countries of Europe. During the late 20th century, the Dutch policy on abortion, drug use, euthanasia, homosexuality and prostitution became very liberal. As a result of the declining religious adherence, the two major strands of Calvinism, the Dutch Reformed Church and the Reformed Churches
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