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%).
Proof of Citizenship of the Republic of Indonesia 56/1996 which instructs invalidates SBKRI for ethnic Chinese who has become a citizen. But in fact, the practice of SBKRI requirements still exist in the government bureaucracy because of the lack of socialization of the implementation of this decree, and also because of the weakness of the Indonesian legal system that led to the legislation can not simply be ignored. 1946 - Indonesian legislation establishes that Indonesia adheres to the principle of jus soli and anyone who was born in Indonesia is an Indonesian citizen. The Chinese people in Indonesia since the Proclamation of 1945 were considered ethnic Chinese Indonesians.