~ 70 ~ ESCAE Journal of Management and Security Studies (EJMSS) Vol 4. No 2. May-Aug, 2024 Threat of Educational Insecurity and Increasing Youth Population in Nigeria: Implications for National Security and Peacebuilding (2015-2023) Elisha Mallam Duchi Doctoral Candidate, Department of Peace Studies and Conflict Resolution, Faculty of Social Sciences, National Open University of Nigeria elishamallam@gmail.com +2348069795989 Dr. Moses Etila Shaibu Department of Political Science, Faculty of Social Sciences, National Open University of Nigeria, Abuja. mshaibu@noun.edu.ng +2348033769089 Dr. Taiwo Philip Orebiyi Department of Peace Studies and Conflict Resolution, Faculty of Social Sciences, National Open University of Nigeria, Abuja. Abstract The increasing number of children lacking educational access, who will soon grow to become young adults constitute a serious problem the nation‟s security and peacebuilding. The study objectives were to investigates effect of illiteracy on national security, ascertain challenges of humanitarian response, examine youths‟ prospect for future peacebuilding, and review response measures to address Out-of-School Children and Youth Bulge issue. The research adopted qualitative data approach of secondary method of data analysis of scholarly works in the relevant study areas. Youth Bulge and Nation-Building Theories, were used in explaining education insecurity and youth bulge: its implication on national security and peacebuilding. The study found out that, illiteracy affects citizens‟ capacity to sieve through conflict entrepreneurs‟ shenanigans; losing millions of children to illiteracy means losing the battle against vicious cycle that perpetuate national insecurities. The study believed that, allowing millions of children to fall behind the education line, weaken their ability to read meaning to manipulators tendencies and intentions, gives advantage to the state‟s enemies in recruiting them easily to fight the government. The government will continually spend billions recruiting security personnel, train them for subsequent deployment for counter-terrorist (banditry/insurgency) operations. Therefore, Government and all partners should review educational intervention programs/policies to eliminate all militating factors; Eliminating all possible exploitation for recruitment as merchants of terror. Keywords: Education Security, Youth Bulge, National Security, Peacebuilding Introduction The geometric increase in the population of illiterate children presents a bleak future for securityand peacebuilding for a globalized world. Eze (2016) stated that, literacy empowers learners to have