This is a policy brief discussing the issue of overpopulation and its consequences on the environment and economy. It explores the social dilemma of overpopulation and applies social interactions and game theory to analyze the situation. The brief suggests solutions such as education, family planning, healthcare, and employment opportunities to control overpopulation. The government's role in creating awareness and implementing policies is emphasized. The brief concludes by highlighting the importance of addressing the issue of overpopulation and the negative impacts it can have on society.