Ethnic population: 42,400 (2008 JHEOA).
Peninsular, Northwest Pahang and south Perak states, north Selangor State.
Betau, Bidor, Bil, Cameron (Cameron Highlands), Gopeng, Jelai, Lipis, Parit, Perak I, Perak II, Tanjung Malim, Tapah (Jalan Pahang), Telom, Ulu Kampar (Kampar). Some dialects not mutually intelligible (2006 T. Phillips).
‘Sakai’, slave. ‘Sengoi’, people, in Semai. West Semai more acculturated to Malay society than east Semai.