MultiTree:

Name: Tonga Type: Language Alternate Names: Tonga (in Zambia); Chitonga; Zambezi; Plateau Tonga; Zambesi Spoken in: Zambia, Zimbabwe Number of speakers: 990,000 in Zambia (Johnstone and Mandryk 2001), increasing. 427,031 Tonga, 11,994 Toka, 7,874 Leya. Population total all countries: 1,127,000 (Ethnologue) Code: toi Code Standard: ISO 639-3 Documentation: SIL Families: Niger-Congo (Niger-Kordofanian) Parent Subgroup: Tonga (tnga) Child Dialects: Toka; Southern Tonga (toi-tok) Mala (toi-mal) Chitonga (toi-chi) Shanjo; Sanjo (toi-sha) Twa of Kafwe (toi-twa) Leya (toi-ley) We; Valley Tonga (toi-wee)