||1,500,000 in China (2000 census). Population total all countries: 1,840,000.
||Southwest Guangxi Province, Tiandeng, Daxin, Chongzuo, Ningming, Longzhou and Pingxiang Jingxi counties; Yunnan Province, Funing County, a few villages. Also in Viet Nam.
||Longzhou, Longyin, Ken Tho, Pho Thai, Pu Tho, Southern Zhuang, Zhuangyu nanbu fangyan Zuojiang tuyu
||Most similar languages are Yang Zhuang [zyg], Yongnan Zhuang [zyn], Nong Zhuang [zhn], and other Nung languages of Viet Nam. Lexical similarity: 70% between Nong [zhn], Yang [zyg], Yongnan, Zuojiang [zzj], and Dai [zhd], 65% with Yongbei Zhuang [ccx].
||Tai-Kadai, Kam-Tai, Be-Tai, Tai-Sek, Tai, Central
A member of macrolanguage Zhuang [zha] (China).
||Vigorous. All domains. All ages. Also use Mandarin Chinese [cmn] and Yue Chinese dialects [yue].
||Han (Hanzi, Kanji, Hanja) script.
||Classified as official Zhuang nationality. The language is named for Zuojiang River that runs through this area, from northern Viet Nam into Longzhou, Chongzuo, and Fusui counties. Traditional religion, Daoist.