Demographic data is a problem that is yet to be recognized as an important source of information that will improve educational management in Nigerian Education System. The Nigerian Education System hardly keeps accurate demographic data from primary to tertiary levels. Demographic education is an innovation in Nigerian Education System which has become a matter of serious concern by different stakeholders. Unplanned population growth can have serious consequences on the development of any society. In this research, we have carried out an intensive study that scrutinizes demographic data in Educational Management in Nigeria and necessary recommendations of the inadequacies and challenges that Government need to aggressively addressed and adhered strictly to in order to curtail low quality of life of the people and other associated risks. Also, the three levels of government are admonished to provide a more robust comprehensive policy to ensure effective demographic data collection analysis and utilization in provision of educational services among others in Nigeria.