Oromiya is the top region by population in Ethiopia. As of 2007, population in Oromiya was 26,994 persons that accounts for 36.65% of Ethiopia's population. The top 5 regions (others are Amhara, Southern Nations, Nationalities, and People's Region, Somali, and Tigray) account for 92.20% of it. Ethiopia's total population was estimated at 73,654 persons in 2007.