16,000, all users. L1 users: 11,000 (1997). L2 users: 5,000 (1997). Ethnic population: 20,000 (2002).
Himachal Pradesh state: Chamba-Lahul, Lahul, Pattan, and lower Mayar valleys, some in Kullu and Manali cities; Jammu and Kashmir state: Kishtwar district.
Chamba-Lahuli (Western Pattani), Eastern Pattani, Central Pattani. 3 caste dialects exist (Pandit-Rajput, Harijan and Lohar). The lower castes understand Pandit-Rajput, but not vice versa. Lexical similarity: 55%–63% between Western Pattani dialect and Tinani [lbf], 26%–39% with Bunan [bfu], 37% with Shumcho [scu], 35% with Jangshung [jna], 33% with Sunam [ssk], 31% with Chitkuli [cik] and Kinnauri [kfk], 25% with Puh and Kinnaur District varieties (Kinnaur Bhoti [nes]) of Tibetan, 22% with Nesang [tpq], 18% with Tibetan [bod], 14%–15% with the Spiti and Stod varieties of Tibetan. Average of 80% between dialects.
Lahaula and Swangla are both Scheduled Tribes. Hindu.