Languages of IndonesiaSee language map.
Republic of Indonesia, Republik Indonesia. 248,496,420. National or official language: Indonesian. Literacy rate: 78%–85%. Also includes Arabic, languages of India and Europe. Information mainly from R. Blust 1983–1984; D. Tryon 1995; S. Wurm and S. Hattori 1981. Blind population: 1,000,000. Deaf population: 2,000,000 or more (1993). Deaf institutions: 94. The number of individual languages listed for Indonesia is 726. Of those, 719 are living languages, 2 are second languages without mother-tongue speakers, and 5 have no known speakers.