The official language Rundi is a Bantu language. It is the standard medium of communication in Rundi. Both the Hutu and Tutsi people use Rundi. Another official language French is mostly use for official purposes. The institutions, private and government offices use French for corresponds.
Languages in Burundi also include Swahili. Swahili is mostly spoken along the Lake Tanganyika an in the Bujumbura area. It is used mainly for trading purpose.