(91.22%), and the Amhara (8.5%); all other ethnic groups made up 0.28% of the population. Oromiffa was spoken as a first language by 90.69%, and 9.25% spoke Amharic; the remaining 0.06% spoke all other primary languages reported. The majority of the inhabitants were Muslim, with 72.17% of the population having reported they practiced that belief, while 27.56% of the population said they professed Ethiopian Orthodox Christianity. Notes Districts of Oromia Region