About two-thirds speak Bantu languages and live in the south, including the largest and wealthiest ethnic group, the Ganda, constituting 18.0 % of the population, and the Nyankole (9.9 %), Kiga (8.3 %), and Soga (8.2 %). About one-sixth of Uganda’s people are Western Nilotic speakers living in the north, such as the Langi (5.9 %) and Acholi (4.4 %). Another one-sixth speak an Eastern Nilotic language and live in the northeast, including the Iteso (6.0 %) and Karimojong (2.1 %). Finally, in the extreme northwest are speakers of Sudanic languages, including the Lugbara (3.5 %) and the Madi (1.1 %). English is the official language of Uganda.