This paper presents a discussion on the child marriage in Africa. It is a literature review paper which outlines the level of child marriage in Africa as it compares with other continents in the world. The paper explained concepts of marriage in general and child marriage specific. Different factors which are major causes of child marriage in Africa were discussed. Furthermore, effects of the child marriage on individual, society, State and globally have also highlighted. The paper concluded by giving several approaches/strategies which can be adopted in Africa to mitigate the effects of child marriage.