Some people in Tanzania have Bantu heritage.
The Bantu languages ( [ ˈbæntuː ] ) , technically the Narrow Bantu languages ( as opposed to `` Wide Bantu '' , a loosely defined categorization which includes other Bantoid languages ) , constitute a traditional branch of the Niger -- Congo languages . Tanzania . These movements took place at about the same time as the settlement of the iron-making Mashariki Bantu from West Africa in the Lake Victoria and Lake Tanganyika areas . Among the languages spoken in Tanzania are all four of Africa 's language families : Bantu , Cushitic , Nilotic , and Khoisan .