Indonesia million by 2050. Around 8 million Indonesians live overseas, with most of them settled in Malaysia, Netherlands, Saudi Arabia, United Arab Emirates, Hong Kong, Singapore, United States, and Australia. Indonesia is a very ethnically diverse country, with around 300 distinct native ethnic groups. Most Indonesians descend from Austronesian-speaking peoples whose languages can be traced to Proto-Austronesian, which possibly originated in what is now Taiwan. Another major grouping are the Melanesians, who inhabit eastern Indonesia (Maluku Islands and Western New Guinea). The Javanese are the largest ethnic group, comprising 40.2% of the population. They are predominantly located in the central to
National costume of Indonesia Muslim men) throughout the country. The "peci" is usually worn with "batik" shirt or western-style suits by men in Indonesia for those attending formal occasions. It is also commonly worn during Islamic religious occasions. Senior citizen Muslim men across Indonesia — usually in Jakarta who identify themselves as native Betawi people, also use this "peci" on an everyday basis. It is also a traditional head-dress of the Betawi people and also other ethnic groups, especially in the western parts of Indonesia which are mainly Muslims. Other than national costumes, each of the provinces of Indonesia — more precisely every ethnic