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%).
Balanta people Balanta people The Balanta (Guinea-Bissau Creole and Portuguese: "balanta"; ; lit. “those who resist” in Balanta) are an ethnic group found in Guinea-Bissau, Senegal and The Gambia. They are the largest ethnic group of Guinea-Bissau, representing more than one-quarter of the population. Despite their numbers, they have remained outside the colonial and postcolonial state because of their social organisation. The Balanta can be divided into four subgroups, three of which are Balanta Kentohe, Balanta Ganja and Balanta Brassa, the largest of which are the Balanta Brassa. Archaeologists believe that the people who became the Balanta migrated to present-day Guinea-Bissau in