Nigeria, officially the Federal Republic of Nigeria, is a country in West Africa between the Sahel to the north and the Gulf of Guinea in the Atlantic Ocean to the south. It covers an area of 923,769 square kilometres (356,669 mi2).
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Nigeria · 1960–2025
Population data from World Bank (2025), licensed under CC BY 4.0. Series covers 1960–2025.
Lagos, or Lagos City, is a large metropolitan port city in southwestern Nigeria. As of November 2025, the size of the city's population has been estimated to be between 17 and 21 million residents, making Lagos the largest city in Nigeria, the most populous urban area on the African continent, and one of the fastest-growing megacities in the world.
Kano is a city in northern Nigeria and the capital of Kano State. It is the second largest city in Nigeria after Lagos, with over four million citizens living within 449 km2 (173 sq mi). Located in the savanna, south of the Sahel, Kano is a major route of the trans-Saharan trade, having been a trade and human settlement for millennia.
Ibadan is the capital and most populous city of Oyo State, in Nigeria. It is one of the largest cities by population in Nigeria with a population of 4.3 million within its metropolitan area. At 3,080 square kilometres (1,190 mi2) it is the country's largest city by land area.
Abuja is the capital city of Nigeria, strategically situated at the geographic midpoint of the country within the Federal Capital Territory (FCT). As the seat of the Federal Government of Nigeria, it hosts key national institutions, landmarks, and buildings spread across its over 50 districts. It replaced Lagos as the capital on 12 December 1991.
Port Harcourt is a port city, capital and largest city of Rivers State in Nigeria. It is the fifth most populous city in Nigeria after Lagos, Kano, Ibadan and Benin. It lies along the Bonny River and is located in the oil rich Niger Delta region. As of 2023, Port Harcourt's urban population is approximately 3,480,000.
Benin City is the capital and largest city of Edo State, southern Nigeria. It is the fourth-largest city in Nigeria according to the 2006 census, after Lagos, Kano, and Ibadan.
Maiduguri is the capital and the largest city of Borno State in north-eastern Nigeria, on the continent of Africa. The city sits along the seasonal Ngadda River which disappears into the Firki swamps in the areas around Lake Chad. Maiduguri was founded in 1907 as a military outpost by the British Empire during the colonial period.
Zaria is a metropolitan city in Nigeria, located within four local government areas in Kaduna State. It serves as the capital of the Zazzau Emirate Council and is one of the original seven Hausa city-states. The local government areas comprising Zaria are Zaria, Sabon Gari, Giwa, and Soba local government areas of Kaduna State, Nigeria.
Kaduna is the capital city of Kaduna State, and the former political capital of Northern Nigeria. It is located in north-western Nigeria, on the Kaduna River. It is a trade center and a major transportation hub as the gateway to northern states of Nigeria, with its rail and important road network.
Jos is a city in Plateau State of North-Central region of Nigeria with a population of about 900,000 residents based on the 2006 census. Popularly called "J-Town", it is the administrative capital and largest city of Plateau State. The city is situated on the Jos plateau which lies within the Guinea Savannah of North-Central Nigeria.