Nigeria is on a continent.
The Federal Republic of Nigeria [ naɪˈdʒɪəriə ] , commonly referred to as Nigeria , is a federal republic in West Africa , bordering Benin in the west , Chad and Cameroon in the east , and Niger in the north . Nigeria is often referred to as the `` Giant of Africa '' , owing to its large population and economy . With approximately 184 million inhabitants , Nigeria is the most populous country in Africa and the seventh most populous country in the world . Nigeria is considered to be an emerging market by the World Bank ; it has been identified as a regional power on the African continent , a middle power in international affairs , and has also been identified as an emerging global power .