The government of Tanzania uses a parliamentary system.
A parliamentary republic is a republic that operates under a parliamentary system of government where the executive branch ( the government ) derives its legitimacy from and is accountable to the legislature ( the parliament ) . Tanzania . 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 .