Numerous tribal languages are also spoken, including many Austroasiatic languages such as Mon, Khmer, Viet, Mlabri and Orang Asli; Austronesian languages such as Cham and Moken; Sino-Tibetan languages like Lawa, Akha, and Karen; and other Tai languages such as Tai Yo, Phu Thai, and Saek. Hmong is a member of the Hmong–Mien languages, which is now regarded as a language family of its own.
English is a mandatory school subject, but the number of fluent speakers remains low, especially outside cities.