Indonesian (Bahasa Indonesia) is the offeecial leid o Indonesie. Indonesian is a normative form o the Riau dialect o Malay, an Austronesian leid which haes been uised as a lingua franca in the Indonesian archipelago for centuries.
Indonesia is the fowert maist populous naition in the warld. O its lairge population the number o fowk who fluently speak Indonesian is fast approachin 100%, thus makin Indonesian ane o the maist widely spoken leids in the warld. Maist Indonesians, aside frae speakin the naitional leid, are aften fluent in anither regional leid (examples include Javanese, Minangkabau an Sundanese) which are commonly uised at hame an athin the local community. Maist formal education, as well as nearly aw naitional media an ither forms o communication, are conductit in Indonesian. In East Timor, which wis an Indonesian province frae 1975 tae 1999, Indonesian is recognised bi the constitution as ane o the twa wirkin leids (the ither is Inglish, alangside the offeecial leids o Tetum an Portuguese).
The Indonesian name for the leid is Bahasa Indonesia (literally "the leid o Indonesie"). This term can sometimes still be foond in written or spoken Inglis. In addition, the leid is sometimes referred tae as "Bahasa" bi Inglis speakers, though this simply means "leid" an thus does no technically specify the Indonesian leid.