Multiple languages are spoken in Tanzania.
Tanzania . Prehistoric population migrations include Southern Cushitic speakers , who are ancestral to the Iraqw , Gorowa , and Burunge and who moved south from Ethiopia into Tanzania . Among the languages spoken in Tanzania are all four of Africa 's language families : Bantu , Cushitic , Nilotic , and Khoisan . 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 .