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.
Baboua, Central African Republic Baboua, Central African Republic Baboua is a town and an administrative area (sub-prefecture) located within the prefecture of Nana-Mambéré in the Central African Republic (CAR), approximately north-west of Bangui, the nation's capital. The town is located on the CAR's border with Cameroon, and is across the border from the Cameroonian town of Garoua-Boulaï. Baboua is home to the Evangelical Lutheran Seminary and Lutheran Bible School. Tongo Lutheran Church is also located in Baboua. In Baboua there are at least 4 levels of schooling: preschool, elementary, bible school, and seminary. Over half of the children in the town are not enrolled