L1 users: 450,000 (1982 UBS).
Mozt of Northern Bahr el Ghazal and Warrab states; some in Lakes State, Rumbek and Cueibet counties, Jur River area.
4 (Educational). Recognized language (2011, Transitional Constitution, Article 6(1)), primary education, literacy efforts.
Rek (Raik), Abiem (Ajong Dit, Ajong Thi, Akany Kok, Akern Jok, Anei, Apuoth, Apwoth), Aguok (Agwok), Apuk, Awan, Lau, Luac, Malual (Atoktou, Duliit, Korok, Makem, Malwal, Peth), Paliet (Ajak, Baliet, Bon Shwai, Buoncwai, Bwoncwai, Kondair, Kongder, Tainbour, Thany Bur), Palioupiny (Akjuet, Akwang, Ayat, Cimel, Gomjuer, Palioping), Tuic (Adhiang, Amiol, Nyang, Thon, Twic, Twich, Twij). Luac dialect is different from Luac dialect in Northeastern Dinka [dip]. Lexical similarity: 89% with South Central Dinka [dib], 90% with Southeastern Dinka [dks]. A member of macrolanguage Dinka [din].
Latin script [Latn].