L1 users: 12,000 (Bradley 2007b). 2,000 Northern Nusu; 4,000 Southern; 6,000 Central. 1,000 monolinguals. Total users in all countries: 12,670.
Yunnan province: Nujiang Lisu autonomous prefecture, southern Fugong county, Pihe town area. Kongtong, Wawa, and Youduoluo villages (Northern Nusu); Guoke, Jiajiu, Puluo, and Tuoping (Tongping) villages (Southern Nusu); Laomudeng, Miangu, Shawa, Zhiziluo, and Zileng villages (Central Nusu).
6a (Vigorous). Language of recognized nationality: Nu.
Other dialect speakers comprehend the prestige dialect Miangu (Central Nusu, Miangu, Laomudeng) fairly well.
SOV; grammatical relations indicated mainly by word order and particles; tonal, 4 tones with relatively complex sandhi; loans from Lisu, Chinese, and a few from Burmese.
Vigorous. All domains. All ages. Mixed attitudes. Intellectuals want to preserve it. Most also use Lisu [lis].
Latin script [Latn].
With Ayi, Anong, 1,500 Zauzou, and 5,500 Drung. Traditional religion.