Official: Indonesian
Indonesia has a population of 281.6 million and is a linguistically diverse country, with 16 languages meeting our inclusion threshold. Indonesian serves as the official language. Of the languages spoken in Indonesia, 3 are supported by LEXIGO's professional translation services.
"Bahasa Indonesia (official, modified form of Malay), English, Dutch, local dialects (of which the most widely spoken is Javanese); note - more than 700 languages are used in Indonesia"