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%).
Demographics of South Sudan was one of the scenes of fighting in the First Sudanese Civil War. In 1983 a member of the Dinka group, John Garang de Mabior founded the Sudan People’s Liberation Army, which led to the Second Sudanese Civil War. The SPLA later became the army of South Sudan. The Luo People are primarily found in Kenya (where they are the third largest ethnic group with over 2 million), Tanzania (population just under 2 million), and the South Sudan State of Western Bahr el Ghazal (population about 171,000) - by some accounts the Luo are the 8th largest ethnic group in