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%).
Carolinian people Carolinian people The Carolinian, or Refaluwasch people are an Austronesian ethnic group who originated in Oceania, in the eastern Caroline Islands, with a total population of around 8,500 people. It is thought that their ancestors may have originally immigrated from Asia and Indonesia to Micronesia around 2,000 years ago. Their primary language is Carolinian, called "Refaluwasch" by native speakers, which has a total of about 5,700 speakers. The Carolinians have a matriarchal society in which respect is a very important factor in their daily lives, especially toward the matriarchs. Most Carolinians are of the Roman Catholic faith. The immigration of