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%).
Ethnic groups in Metro Detroit the center. As of 2002 the largest populations of ethnic Japanese people were located in Novi and West Bloomfield Township. As of April 2013, the largest Japanese national population in the State of Michigan is in Novi, with 2,666 Japanese residents. West Bloomfield had the third largest Japanese population and Farmington Hills had the fourth largest Japanese population. Many Japanese companies operate offices in Metro Detroit. As of 2002 ethnic Korean and Korean Americans made up the fourth largest group, with 8,452 people. In 1910 Detroit received its first Korean person. As of 1951 Koreans as a group did not