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
Ethnic groups in Indonesia This is the same case with Baduy people that share many cultural similarities with the Sundanese people. An example of hybrid ethnicity is the Betawi people, descended not only from marriages between different peoples in Indonesia but also with Arab, Chinese and Indian migrants since the era of colonial Batavia (Jakarta). Number and percentage of population of ethnic groups according to a 2010 census. The proportions of Indonesian ethnic groups according to the (2000 census) are as follows: The regions of Indonesia have some of their "indigenous" ethnic groups. Due to migration within Indonesia (as part of government transmigration programs