Nigeria is the most populous country in Africa and the sixth most populous in the world. Nigeria is also one of the most densely populated countries in Africa, with approximately 218.5 million people in an area of 923,768 km (356,669 sq mi).
54.3% of Nigerians are urban dwellers, with the annual rate of urbanisation being estimated at 3.92%. Nigeria is home to 371 ethnic groups speaking over 500 languages and the variety of customs and traditions among them gives the country great cultural diversity. The three largest ethnic groups, namely the Hausas, Yorubas, and Igbos constitute more than 60% of the population. The Ijaw, Efik, Ibibio, Annang, Ogoni, Tiv, Urhobo-Isoko, Edo and Itsekiri are some of the other sizeable ethnic groups. Over 1.2 million people living in Nigeria (0.5% of its total population, or 1 in every 200 people living in Nigeria) are from a continent other than Africa. There are 100,000 people from the United States, 75,000 are from Lebanon, 60,000 are from China and 16,000 are from the United Kingdom.