Languages spoken in India belong to several language families, the major ones being the Indo-European languages spoken by 78.05% of Indians and the Dravidian languages spoken by 19.64% of Indians, both families together are sometimes known as Indic languages. Languages spoken by the remaining 2.31% of the population belong to the Austroasiatic, Sino–Tibetan, Tai–Kadai and a few other minor language families and isolates. India has the worlds fourth highest number of languages (447).