15,000 in Afghanistan (1994), increasing. Population total all countries: 18,700. Ethnic population: 114,000. 110,000 in Nuristan and 4,000 in diaspora. L2 users: Some Nuristani people from other language groups can also speak Kati.
Northeast, mainly Nurestan, Badakhshan, and Konar provinces; smaller areas in Laghman and Panjshir provinces; Western Kativiri dialect: Mondul and Duab districts, Ramgal, Kulam, Ktivi (Kantiwo), and Paruk (Papruk) valleys; Mumviri dialect: Mangul, Sasku, Gabalgrom villages in the Bashgal valley; Eastern Kativiri dialect: upper Bashgal valley (Barg-e-Matal).
6a (Vigorous). Statutory language of provincial identity in Nuristan Province (2004, Constitution, Article 16(2)).
Eastern Kativiri, Mumviri, Western Kativiri (Jadidi, Ramgulviri). Mumviri may be a separate language. Eastern and Western Kataviri are very similar dialects and almost completely mutually intelligible.
Agglutinative suffixes; CVC, CCVC, CV, CCCVC, CCVCC, CCCVCC.
Arabic script [Arab], limited usage, in development.
Kati is different from Kamviri [xvi], but the two are significantly mutually intelligible and speakers may refer to them as the same language. Muslim (Sunni).