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%).
Tiv people Tiv people Tiv (or Tivi) is an ethno-linguistic group or ethnic nation in West Africa. The group constitutes approximately 3.5% of Nigeria's total population, and number about 6.5 million individuals throughout Nigeria and Cameroon. The Tiv language is spoken by about 7 million people in Nigeria with a few speakers in Cameroon. Most of the language's Nigerian speakers are found in Benue, Taraba and Nasarawa States. The language is a branch of Benue–Congo and ultimately of the Niger–Congo phylum. In precolonial times, the Fulani ethnic group referred to the Tiv as "Munchi" (also sometimes written Munshi e.g. Duggan 1932), a