12,100 in Nepal (2006), decreasing. Very few monolinguals.
East, Sagarmatha Zone, mainly central Khotang district and northern Udayapur districts. Also in India.
6b (Threatened). Language of recognized nationality (2002, NFDIN Act, No. 20, Section 2C), Rai nationality.
SOV; postpositions; noun head final; no noun classes or genders; content q-word in situ; up to 2 prefixes, up to 7 suffixes; clause constituents indicated by case-marking; verbal affixation marks person and number; split and inverse ergativity; mixed tense-aspect; no passives or voice; nontonal; 28 consonant and 5 vowel phonemes
Home, religion; mixed use: friends, work. All ages.
Many ethnic subgroups, but linguistically homogeneous. Traditional religion, Hindu, Christian.