1,050 in Viet Nam (Bradley 2007a). 450 May, 95 Ruc, 500 Sach. Ethnic population: 6,020 (2009 census). Total users in all countries: 1,250.
Quang Binh province, Thuong Hoa, Hoa Son, Dan Hoa communes, near Laos border at the same latitude as Mu Gia Pass.
7 (Shifting). Language of recognized ethnic group: Chut.
Sach, May, Ruc (Kha Mu Gia, Tac Cui).
Chút is an official ethnic community which includes Arem, Mày, Sách, and Ruc. Traditional religion.