This report provides a comprehensive analysis of underage girls’ marriage in Egypt, a widespread social phenomenon predominantly affecting girls in poorer, rural areas. It examines the prevalence of child marriage, its drivers including poverty, lack of education, and cultural norms, and the role of various actors such as parents, marriage brokers, and religious leaders. The report highlights the legal context, including the government's efforts to criminalize underage marriage, while also acknowledging the challenges in enforcement. It explores the consequences of child marriage, such as health issues, lack of education, and limited opportunities. The report presents a literature review, incorporating the author’s experience as a development practitioner. It critiques the absence of governmental and non-governmental policies and proposes recommendations to address the issue and mitigate its impact on sustainable development. The research methodology employed includes archival research and the use of inductive and deductive approaches, along with surveys, interviews, questionnaires, and case studies to gather data.