The Datooga, known as the Mang'ati in Swahili, are a pastoralist Nilotic people of north-central Tanzania south of Ngorongoro Crater. In 2000 the Datoga population was estimated to number 87,978.[1] They are the fastest-growing group in Tanzania. There are seven Datooga tribes:
The dialects of the Datooga language are often divergent enough to make comprehension difficult, though Barabayiiga and Gisamjanga are very close.