| Language family | Language | Ethnic group | Number | % | County or former province | % Correct |
|---|---|---|---|---|---|---|
| Niger-Congo - Bantu | Swahili/Kiswahili | Swahili people/Waswahili | Former Coast Province (especially Mombasa) | 77%
| ||
| Afro-Asiatic - Cushitic | Somali | Somalis | 2,8 million | 6 | Former North Eastern Province | 74%
|
| Niger-Congo - Bantu | Kikuyu/Gikuyu | Kikuyu people | 8,2 million | 17 | Former Central Province | 70%
|
| Nilo-Saharan? - Nilotic | Maasai/Maa | Maasai people | 1,2 million | 3 | Northern, central and southern Kenya | 70%
|
| Nilo-Saharan? - Nilotic | Dholuo | Luo people | 5 million | 10,5 | Western Kenya | 64%
|
| Nilo-Saharan? - Nilotic | Turkana | Turkana people | 1 million | 2 | Turkana (in former Rift Valley Province) | 47%
|
| Nilo-Saharan? - Nilotic | Kalenjin languages | Kalenjin people | 6,4 million | 13 | Former Rift Valley Province | 42%
|
| Niger-Congo - Bantu | Kamba/Kikamba | Kamba people/Akamba | 4,6 million | 10 | Makueni, Kitui and Machakos Counties (south in former Eastern Province) | 36%
|
| Niger-Congo - Bantu | Luhya | Luhya people | 6,8 million | 14 | Former Western Province | 34%
|
| Niger-Congo - Bantu | Meru/Kimiiru | Meru people | 2 million | 5 | Former Eastern Province | 34%
|
| Afro-Asiatic - Semitic | Arabic | Arabs | 60.000 | 0,1 | Former Coast Province | 26%
|
| Niger-Congo - Bantu | Gusii | Kisii people/Abagusii | 2,7 million | 6 | Former Nyanza and Rift Valley Provinces | 26%
|
| Niger-Congo - Bantu | Mijikenda | Mijikenda peoples | 2,5 million | 5,5 | Former Coast Province | 19%
|
| Niger-Congo - Bantu | Taita | Taita people | 350.000 | 0,8 | Former Coast Province | 13%
|