The Tumbuka language is a Bantu language

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...

 which is spoken in parts of Malawi

Malawi

The Republic of Malawi is a landlocked country in southeast Africa that was formerly known as Nyasaland. It is bordered by Zambia to the northwest, Tanzania to the northeast, and Mozambique on the east, south and west. The country is separated from Tanzania and Mozambique by Lake Malawi. Its size...

, Zambia

Zambia

Zambia , officially the Republic of Zambia, is a landlocked country in Southern Africa. The neighbouring countries are the Democratic Republic of the Congo to the north, Tanzania to the north-east, Malawi to the east, Mozambique, Zimbabwe, Botswana and Namibia to the south, and Angola to the west....

, and Tanzania

Tanzania

The United Republic of Tanzania is a country in East Africa bordered by Kenya and Uganda to the north, Rwanda, Burundi, and the Democratic Republic of the Congo to the west, and Zambia, Malawi, and Mozambique to the south. The country's eastern borders lie on the Indian Ocean.Tanzania is a state...

.

The language of the Tumbuka people

Tumbuka

The Tumbuka are a Bantu ethnic group living in Northern Malawi, Eastern Zambia and Southern Tanzania. Their chief god is called Chiuta, who is all-powerful, omniscient and self-created, just like the God of the Abrahamic religions...

 is called chiTumbuka — the chi- marker

Marker (linguistics)

In linguistics, a marker is a free or bound morpheme that indicates the grammatical function of the marked word, phrase, or sentence. In analytic languages and agglutinative languages, markers are generally easily distinguished. In fusional languages and polysynthetic languages, this is often not...

 in front of Tumbuka means “thing”, “concept”, and is understood in this case “the language of

Human language

A human language is a language primarily intended for communication among humans. The two major categories of human languages are natural languages and constructed languages...

 (the Tumbuka people)”. This marker is similar to shi- in shimaore, se- (si- in some parts of this language area) in seTswana / siTswana

Tswana language

Tswana or Setswana is a language spoken in Southern Africa by about 4.5 million people. It is a Bantu language belonging to the Niger–Congo language family within the Sotho languages branch of Zone S , and is closely related to the Northern- and Southern Sotho languages, as well as the Kgalagadi...

 or ki- in kiSwahili

Swahili language

Swahili or Kiswahili is a Bantu language spoken by various ethnic groups that inhabit several large stretches of the Mozambique Channel coastline from northern Kenya to northern Mozambique, including the Comoro Islands. It is also spoken by ethnic minority groups in Somalia...

, and iki- (or ki-) in Ikinyarwanda / Kinyarwanda, among several examples.

The World Almanac (1998) estimates approximately 2,000,000 Tumbuka speakers exist in the aforementioned three countries.

There are substantial differences between the form of Tumbuka spoken in urban areas (which borrows some words from Chichewa/Nyanja) and the "village" or "deep" Tumbuka spoken in villages.