Ethnic groups in Indonesia Ethnic groups in Indonesia There are over 300 ethnic groups in Indonesia including Javanese, Sundanese, and Batak. Based on ethnic group, the largest ethnic group in Indonesia is the Javanese who make up about 40% of the total population. The Javanese are concentrated on the island of Java but millions have migrated to other islands throughout the archipelago because of the transmigration program. The Sundanese, Malay, and Madurese are the next largest groups in the country. Many ethnic groups, particularly in Kalimantan and Papua, have only hundreds of members. Most of the local languages belong to Austronesian language family, although
Unreached people group Unreached people group In Christianity, an unreached people group refers to an ethnic group without an indigenous, self-propagating Christian church movement. Any ethnic or ethnolinguistic nation without enough Christians to evangelize the rest of the nation is an "unreached people group". It is a missiological term used by Evangelical Christians. The Lausanne Committee for World Evangelization defines a people group as "the largest group within which the Gospel can spread as a church planting movement without encountering barriers of understanding or acceptance." "Nation" is sometimes used interchangeably for "people group". The term is sometimes applied to ethnic groups in which