In the 1990s and 2000s, migration of the Maasai, Gogo, Sukuma and
Nyamwezi people into Sumbawanga increased the number of livestock in the area than how it was during the previous period (UTR 1990s; URT 2000s).
(1) Ray Abrahams, 'Law and Order and the State in the
Nyamwezi and Sukuma Area of Tanzania', Africa, Vol.
"Combating crime among the Sukuma and
Nyamwezi of WestCentral Tanzania." Crime, Law and Social change, Vol.
In tandem with the value of the slave trade to these kingdoms, middlemen, like Swahili and the
Nyamwezi, occupied a crucial role in the growth of the slave trade in the interior.
The African population consists of more than 120 ethnic groups, of which the Sukuma, Haya, Nyakyusa,
Nyamwezi, and Chaga have more than 1 million members each.
The majority of Tanzanians, including such large tribes as the Sukuma (the only group with more than a million members) and the
Nyamwezi, are of Bantu stock.
1989 "Law and Order and the State in the
Nyamwezi and Sukuma Area of Tanzania." Africa 59:356-70.