Indonesia

Indonesia Use official language and national language such as Bahasa Indonesia or Bahasa Indonesia

 Brunei Darussalam

Brunei uses Malay language. And the second language is English. And Chinese is the official language

Thailand

Thailand uses thai as an official languages

Vietnam

Vietnam Vietnamese language is the official language, which in the year 1920, the Vietnamese academic industry voted to use the quoc ngu instead of the Chinese character (Chu Nom) in writing Vietnamese

Singapore

Singapore The official language is Malay (national language), Mandarin (Mandarin), Tamil and English

Philippines

Philippines More than 170 languages ​​are used, most of which are from the Western Malayo-Polynesian language family. However, in 1987, the constitution specified Filipino and English as official languages.

Myanmar

Myanmar uses Burmese as the official language.