L1 users: 28,000 (2001 census). Ethnic population: 50,000.
Assam state: Demaji, Lakhimpur, Jorhat, and Tinsukia districts; Arunachal Pradesh state: Lohit district.
May constitute its own subgroup under Bodo-Garo. Reportedly not similar to other languages. Dialect of Lakhimpur District is regarded as purest. Lexical similarity: 77%–93% with Deori varieties, 11%–16% with Bodo [brx].
Vigorous among the Dibongya, the only subgroup that has retained the language. Home, village, religion, work. Positive attitudes. Many also use Assamese [asm], but women, older adults and uneducated have less proficiency.
A Scheduled Tribe. ‘Deori’, the temple guard. Deori Chutiya is 1 of 4 Chutiya subgroups. Do not call themselves Chutiya. Traditional religion, Buddhist, Hindu.