Abuja the city of Abuja had a population of 776,298, making it one of the ten most populous cities in Nigeria. According to the United Nations, Abuja grew by 139.7% between 2000 and 2010, making it the fastest growing city in the world. , the city is experiencing an annual growth of at least 35%, retaining its position as the fastest-growing city on the African continent and one of the fastest-growing in the world. As at 2016, the metropolitan area of Abuja is estimated at six million persons, placing it behind only Lagos, as the most populous metro area in Nigeria.
Central African Republic Central African Republic The Central African Republic (CAR; Sango: "Ködörösêse tî Bêafrîka"; , or "" ) is a landlocked country in Central Africa. It is bordered by Chad to the north, Sudan to the northeast, South Sudan to the east, the Democratic Republic of the Congo to the south, the Republic of the Congo to the southwest and Cameroon to the west. The CAR covers a land area of about and had an estimated population of around /1e6 round 1 million . Most of the CAR consists of Sudano-Guinean savannas, but the country also includes a Sahelo-Sudanian zone in the