2,640 (2001 census).
Sagarmatha Zone, northeast Khotang district, Sungdel VDC near Rawakhola headwaters, Sungdel and Dipsung.
5 (Developing). Language of recognized nationality (2002, NFDIN Act, No. 20, Section 2C), Rai nationality.
SOV; postpositions; noun head final
Home, friends, religion; mixed use: Work. All ages. Positive attitudes. All also use some Nepali [npi], but overall bilingualism is low.
Ethnonym: Koi, live scattered in other language areas, speak only Nepali [npi]. Traditional religion, Hindu, Christian.