Nigeria, officially the Federal Republic of Nigeria, is a federal constitutional republic comprising thirty-six states and one Federal Capital Territory. The country is located in West Africa and shares land borders with the Republic of Benin in the west, Chad and Cameroon in the east, and Niger in the north. Its coast lies on the Gulf of Guinea, a part of the Atlantic Ocean, in the south. The capital city is Abuja. The three largest and most influential ethnic groups in Nigeria are the Hausa, Igbo and Yoruba.

The people of Nigeria have an extensive history, and archaeological evidence shows that human habitation of the area dates back to at least 9000 BCE. The Benue-Cross River area is thought to be the original homeland of the Bantu migrants who spread across most of central and southern Africa in waves between the 1st millennium BCE and the 2nd millennium CE.

The name Nigeria was created from a portmanteau of the words Niger and Area, taken from the River Niger running through Nigeria. This name was coined by the future wife of the Baron Lugard, a British colonial administrator, during the early 20th century.

Nigeria is the most populous country in Africa and the eighth most populous country in the world with a population of over 140 million, therefore making it the most populous ‘black’ country in the world. It is a regional power, is listed among the “Next Eleven” economies, and is a member of the Commonwealth of Nations. The economy of Nigeria is one of the fastest growing in the world with the International Monetary Fund projecting a growth of 9% in 2008 and 8.3% in 2009.
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