200,000 in Thailand (2006 Mahidol University). Population total all countries: 306,000.
Uthai Thani, Phichit, Petchabun, Lopburi, Singburi, Suphanburi, Saraburi, Nakorn Nayok, Phrachinburi, Udon, and Loei; 1 village south of Bangkok. Also in Laos.
Strong sense of identity. Socially prominent group. Relocated to Thailand 1827–1890. The name is also used for Lao speakers in Thailand. Buddhist.