it is for languages elsewhere in the world.  A number of other language families have, however, been identified, including Sino-Tibetan   (Chinese, Tibetan, Burmese etc.),  Austronesian (Taiwanese indigenous languages, Malay, Maori and other languages across the Pacific),  Austroasiatic (Vietnamese, Khmer, Mon and the Munda branch in NE India and Bangladesh),  Afro-Asiatic