Ethiopia is 20% larger than Nigeria.
Area: 1,104,300 km2 World Factbook
Population: 96,633,458 (July 2014) World Factbook
Ethiopia, officially known as the Federal Democratic Republic of Ethiopia, is a country located in the Horn of Africa. It is bordered by Eritrea to the north and northeast, Djibouti and Somalia to the east, Sudan and South Sudan to the west, and Kenya to the south. Wikipedia
Area: 923,768 km2 World Factbook
Population: 177,155,754 (July 2014) World Factbook
Nigeria, officially the Federal Republic of Nigeria, is a federal constitutional republic comprising 36 states and its Federal Capital Territory, Abuja. Wikipedia