Demographics of Indonesia local ethnic languages are the first language of most Indonesians and are still important. Indonesia demographic composition has a relatively young population. According to 2011 estimate, total median age of Indonesia is 28.2 years. Total Fertility Rate (TFR) (Wanted Fertility Rate) and Crude Birth Rate (CBR): Total fertility rate (TFR) and population over age 60 by region as of 2010: Source: "UN World Population Prospects" There are over 300 ethnic groups in Indonesia. 95% of those are of Native Indonesian ancestry. Javanese is the largest group with 100 million people (42%), followed by Sundanese who number nearly 40 million (15%).
Apo Kayan people Apo Kayan people The Apo Kayan people are one of the Dayak people groups that are spread throughout Sarawak of Malaysia, East Kalimantan and North Kalimantan of Indonesia. The earliest Apo Kayan people are from the riverside of the Kayan River, Bulungan Regency, East Kalimantan, Indonesia. According to the Apo Kayan Dayak legend, the Kayan people are the forefathers of which all smaller sub-ethnic Dayak people that are found along the Kayan River came from. Today, the population of the Apo Kayan people are estimated about 64,900. The Apo Kayan people group are divided into 3 sub-ethic Dayak people, namely:-