|(4.5 million[dubious ] cited 1994 census)|
According to Ethnologue, a 1994 census reported 4,530,000 speakers of this Oromo form. However, the 1994 Ethiopian national census did not break down language speakers according to dialect, although it reported 2,570,293 speakers of Oromo in those two zones.
- Eastern Oromo at Ethnologue (18th ed., 2015) (subscription required)
- "Languages of Ethiopia", Ethnologue (accessed 7 November 2009)
- 1994 Population and Housing Census of Ethiopia: Results for Oromia Region, Vol. 1, part 1 Archived November 15, 2009, at the Wayback Machine, Tables 2.15 (accessed 6 April 2009)
- Owens, Jonathan. 1985. A grammar of Harar Oromo (Northeastern Ethiopia): including a text and a glossary. Cushitic language studies; Bd. 4) Hamburg: Buske.