A language of Tanzania

Alternate Names
Kisuaheli, Kiswahili

15,000,000 in Tanzania (2012), increasing. Population total all countries: 15,437,390. L2 users: Probably over 80% of rural people are L2 users; they use the local language for most activities, but Swahili [swh] with outsiders.


Widespread. Formerly Zanzibar, coastal areas.

Language Status

1 (National). De facto national language.


Mambrui (Malindi), Mgao (Kimgao), Mrima (Mtang’ata), Pemba, Unguja (Kiunguja, Zanzibar). Lexical similarity: Bajun dialect 85% with the Amu dialect, 78% with the Mvita dialect, 72% with the Mrima dialect; Mvita dialect 86% with Amu, 79% with Mrima; Mrima dialect 79% with Amu. A member of macrolanguage Swahili [swa].



Language Use

It is also common for people of numerous ethnic groups to speak Swahili as L1, especially in urban and very mixed areas. All domains. All ages. Positive attitudes.

Language Development
Language of instruction in primary school. In secondary school taught as a subject. Taught in primary and secondary schools. Fully developed. Bible: 1891–2009.

Braille script [Brai]. Latin script [Latn].

Other Comments

Muslim, Christian, traditional religion.

Also spoken in:

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