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%).
Hakka people Hakka population began to decline as people moved abroad, and away to work in the urban areas. By the end of the 1970s, agriculture was firmly in the decline in Hakka villages. Today, there are still Hakka villages around Hong Kong, but being remote, many of their inhabitants have moved to the post war new towns like Sheung Shui, Tai Po, Sha Tin and further afield. The Hakka population in Taiwan is around 4.6 million people today. Hakka people comprise about 15 to 20% of the population of Taiwan and form the second-largest ethnic group on the island. They are