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 of Japan of Justice. In 2006, Japanese/Filipino marriages were the most frequent of all international marriages in Japan. As of March 12, 2011, the Filipino population of Japan was 305,972. Koreans in Japan are the fifth largest ethnic minorities in the country. Most of them arrived in the early 20th century. As of 2012, there are 530,421 Koreans in Japan who are not Japanese citizens. Chinese people in Japan are the one of the largest ethnic minority in Japan. They comprise 0.52% of Japan's population. Chinese people are mostly concentrated in Osaka, Tokyo, and Yokohama areas. The Ainu is an aboriginal ethnic