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Languages of Indonesia

  • 18 min read
  • 10 chapters

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Through Language, Archipelago and Java

Languages in Indonesia are classified into nine categories: national language, locally used indigenous languages, regional lingua francas, foreign and additional languages, heritage languages, languages in the religious domain, English as a lingua franca, and sign languages.

National language

The official language of Indonesia is Indonesian (locally known as bahasa Indonesia), a standardised form of Malay, which serves as the lingua franca of the archipelago. According to the 2020 census, over 97% of Indonesians are fluent in Indonesian. The vocabulary of Indonesian borrows heavily from regional languages of Indonesia, such as Javanese, Sundanese and Minangkabau, as well as from Dutch, Sanskrit, Portuguese, Arabic and more recently English. The Indonesian language is primarily used in commerce, administration, education and the media; thus, nearly every Indonesian speaks the language to varying degrees of proficiency. Most Indonesians speak other languages, such as Javanese, as their first language. This makes plurilingualism a norm in Indonesia.

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