Southeast Asia were Austroasiatic and Austronesians, which today forming the majority of the regional population. In modern times, the Javanese are the largest ethnic group in Southeast Asia, with more than 100 million people, mostly concentrated in Java, Indonesia. The second largest ethnic group in Southeast Asia is Vietnamese with around 86 million population, mainly inhabit Vietnam forming significant minority in neighboring Cambodia and Laos. The Thais is also a significant ethnic group with around 59 million population forming the majority in Thailand. In Burma, the Burmese account for more than two-thirds of the ethnic stock in this country. Indonesia is clearly
Muong people Muong people The Mường () is an ethnic group native to Vietnam; it is the country's third largest of 53 minority groups, with an estimated population of 1.26 million (based on the 2009 census and five years of population growth). The Muong people inhabit the mountainous region of northern Vietnam, concentrated in Hòa Bình Province and the mountainous districts of Thanh Hóa Province. They are most closely related to the ethnic Vietnamese (Kinh). The term "muong" of Thai origin means "district, region". To emphasize their difference from the inhabitants of the valleys and highlanders, Muong call themselves "monglong", which means