Tanzania uses English in foreign trade, diplomacy, higher courts, and secondary education.
Tanzania . Swahili and English are Tanzania 's official languages . A highly multilingual country , Swahili is used in parliamentary debate , in the lower courts , and as a medium of instruction in primary school ; and English is used in foreign trade , in diplomacy , in higher courts , and as a medium of instruction in secondary and higher education , although the Tanzanian government plans to discontinue English as a language of instruction altogether .