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
Sukuma people Sukuma people The Sukuma are a Bantu ethnic group inhabiting the southeastern African Great Lakes region. They are the largest ethnic group in Tanzania, with an estimated 8.9 million members or 16 percent of the country's total population. Sukuma means "north" and refers to "people of the north." The Sukuma refer to themselves as "Basukuma" (plural) and "Nsukuma" (singular). They speak Sukuma, which belongs to the Bantu branch of the Niger-Congo family. The Sukuma live in northwestern Tanzania on or near the southern shores of Lake Victoria, and various areas administrative districts of the Mwanza, southwestern tip of Mara Region,