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
Water supply and sanitation in Indonesia Water supply and sanitation in Indonesia Water supply and sanitation in Indonesia is characterized by poor levels of access and service quality. Over 40 million people lack access to an improved water source and more than 110 million of the country’s 240 million population has no access to improved sanitation. Only about 2% of people have access to sewerage in urban areas; this is one of the lowest in the world among middle-income countries. Water pollution is widespread on Bali and Java. Women in Jakarta report spending US$11 per month on boiling water, implying a significant burden for the poor.