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%).
Democratic Republic of the Congo 45% of the population. The Kongo people are the largest ethnic group in the Democratic Republic of Congo. In , the United Nations estimated the country's population to be /1e6 round 0 million people, a rapid increase from 39.1 million in 1992 despite the ongoing war. As many as 250 ethnic groups have been identified and named. The most numerous people are the Kongo, Luba, and Mongo. About 600,000 Pygmies are the aboriginal people of the DR Congo. Although several hundred local languages and dialects are spoken, the linguistic variety is bridged both by widespread use of French and the