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%).
Languages of the United States Central New Jersey is home to the largest population concentration of Telugu people. Telugu people have also settled in New York City and the DC metropolitan area, as well as on the West Coast in Silicon Valley, where there are Telugu associations such as TANA, ATA & NATA. The New York City and Los Angeles metropolitan areas are home to the largest concentrations of Telugu-speakers. About 40 million Americans have Irish ancestry, many of whose ancestors would have spoken Irish. According to the 2007 American Community Survey, 22,279 people speak Irish at home. Between 1981 and 1985 about 150,000 Cambodians