Subcategories:
— African languages (206)
— Nilo-Saharan languages (43)
— Afro-Asiatic (189)
— Caucasian (22)
— Indo-Hittite (1252)
— Uralic (59)
— Altaic (78)
— Palaeo-Siberian (8)
— Eskimo-Aleut (22)
— Elamo-Dravidian (44)
— Sino-Tibetan (117)
— Austric (169)
— Indo-Pacific (5)
— Australian Aboriginal (18)
— North American (28)
— Amerindian (391)
— isolates or no known affiliations (42)
— pidgins and creoles (50)