Zambia Urban dwellers sometimes differentiate between urban and rural dialects of the same language by prefixing the rural languages with 'deep'. Most will thus speak Bemba and Nyanja in the Copperbelt; Nyanja is dominantly spoken in Lusaka and Eastern Zambia. English is used in official communications and is the language of choice at home among – now common – intertribal families. This continuous evolution of languages has led to Zambian slang which can be heard in daily life throughout Lusaka and other major cities. Portuguese has been introduced into the school curriculum due to the presence of a large Portuguese-speaking Angolan
Tonga language (Zambia and Zimbabwe) Tonga language (Zambia and Zimbabwe) Tonga ("Chitonga"), also known as "Zambezi", is a Bantu language primarily spoken by the Tonga people who live mainly in the Southern and Western provinces of Zambia, and in northern Zimbabwe, with a few in Mozambique. The language is also spoken by the Iwe, Toka and Leya people, and perhaps by the Kafwe Twa (if they are not Ila), as well as many bilingual Zambians and Zimbabweans. It is one of the major lingua francas in Zambia, together with Bemba, Lozi and Nyanja. The Tonga of Malawi, which is classified by Guthrie as belonging to