South Asia is home to several hundred languages, spanning the countries of Afghanistan, Bangladesh, Bhutan, India, Nepal, Pakistan, Maldives and Sri Lanka. It is home to the third most spoken language in the world, Hindi–Urdu; and the sixth most spoken language, Bengali. The languages in the region mostly comprise Indo-Iranic and Dravidian languages, and further members of other language families like Austroasiatic, Turkic, and Tibeto-Burman languages. South Asian English is considered the international lingua franca of the South Asian countries.