130 in Thailand (Bradley 2007). Population total all countries: 154.
Phayao, Nan, Phrae, Utaradit, Phitsanuloke, Loey, and perhaps other provinces. Laos border area. Also in Laos.
Mlabri are different from the Kha Tong Luang (Phi Tong Luang, Yellow Leaf) in Laos, who are Western Viet-Muong (Wurm and Hattori 1981). Sometimes employed by the Hmong. Some nomadic. Traditional religion.