[run] Widespread. 10,000,000 in Burundi (2006 World Factbook), increasing. Population total all countries: 10,150,000. 4,000,000 monolinguals. Ethnic population: 10,000,000. Status: 1 (National). Statutory national language (2005, Constitution, Article 5). Alternate Names: Kirundi, Urundi Dialects: Igisoni, Ikibo, Ikimoso (Urumoso), Ikinyabweru, Ikiragane, Ikirundi, Ikiyogoma. All dialects except Twa are reportedly very similar to each other and to Rwanda [kin]. Classification: Niger-Congo, Atlantic-Congo, Volta-Congo, Benue-Congo, Bantoid, Southern, Narrow Bantu, Central, J, Ruanda-Rundi (D.62) Comments: Ethnic groups: Hutu 80%–85%, Tutsi 14%–15%, Twa (Gesera, Pygmy) 1% (30,000; Barrett 1982). Christian.
[swh] Widespread in the capital. L1 in Buyenzi, Quartier asiatique, Muslim and Congolese neighborhoods (probably Congo Swahili [swc]). Spoken by Muslims in other cities like Gitega. 6,360 in Burundi (2000), increasing. Status: 3 (Wider communication). Classification: Niger-Congo, Atlantic-Congo, Volta-Congo, Benue-Congo, Bantoid, Southern, Narrow Bantu, Central, G, Swahili (G.42) Comments: In Burundi, it is a mixture of Congolese and Tanzanian or Kenyan Swahili. Muslim.