Mbuti or Bambuti are one of several indigenous

Indigenous peoples of Africa

The indigenous people of Africa are those people of Africa whose way of life, attachment or claims to particular lands, and social and political standing in relation to other more dominant groups have resulted in their substantial marginalisation within modern African states The indigenous people...

 pygmy groups in the Congo

Congo Basin

The Congo Basin is the sedimentary basin that is the drainage of the Congo River of west equatorial Africa. The basin begins in the highlands of the East African Rift system with input from the Chambeshi River, the Uele and Ubangi Rivers in the upper reaches and the Lualaba River draining wetlands...

 region of Africa

Africa

Africa is the world's second largest and second most populous continent, after Asia. At about 30.2 million km² including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area...

. Their languages belong to the Central Sudanic

Central Sudanic languages

Starostin notes that the poorly attested language Mimi of Decorse is suggestive of Central Sudanic, though he provisionally treats it as an isolate.-References:...

 (subgroup of the Nilo-Saharan phylum) and also to Bantu languages

Bantu languages

The Bantu languages constitute a traditional sub-branch of the Niger–Congo languages. There are about 250 Bantu languages by the criterion of mutual intelligibility, though the distinction between language and dialect is often unclear, and Ethnologue counts 535 languages...

.
The Bambuti are pygmy

Pygmy

Pygmy is a term used for various ethnic groups worldwide whose average height is unusually short; anthropologists define pygmy as any group whose adult men grow to less than 150 cm in average height. A member of a slightly taller group is termed "pygmoid." The best known pygmies are the Aka,...

 hunter-gatherer

Hunter-gatherer

A hunter-gatherer or forage society is one in which most or all food is obtained from wild plants and animals, in contrast to agricultural societies which rely mainly on domesticated species. Hunting and gathering was the ancestral subsistence mode of Homo, and all modern humans were...

s, and are one of the oldest indigenous people of the Congo region of Africa. The Bambuti are composed of bands which are relatively small in size, ranging from 15 to 60 people. The Bambuti population totals about 30,000 to 40,000 people.