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
Traditions of Indonesia Traditions of Indonesia Traditions of Indonesia are traditions, beliefs, values, and customs that belong within the culture of Indonesian people. Indonesia is a vast country of sprawling archipelago with a diverse demographic range of over 300 ethnic groups, and speaking more than 700 living languages. With 202.9 million Muslim s (93.2% of the total population as of 2009), Indonesia has the largest Muslim population in the world. Indonesia also has significant numbers of Christians. Protestant and Catholics population are the majority, with other Christian groups existing as well. The majority of Hindu demographics in Indonesia live in the island of