This thesis aims to explore and compare children's rights in the juvenile justice systems of theKingdom of Saudi Arabia (KSA) and the United States of America (USA). The study delves intothe legal frameworks, practices, challenges, and cultural influences that impact children's rightsin both countries' juvenile justice systems. By analyzing the historical, cultural, social, andpolitical contexts shaping the evolution of these systems, the research examines the alignment ofpolicies with international human rights standards, with a primary focus on the United NationsConvention on the Rights of the Child (UNCRC). The study employs the Comparative LegalResearch Method and the Most Different Systems Design (MDSD) to facilitate a comprehensivecomparison. This comparative analysis employs the UNCRC as a normative framework tocontribute to the ongoing discourse on juvenile justice reform and encourages a deeperunderstanding of the intricate interplay between legal structures, cultural dynamics, and humanrights considerations in the treatment of young offenders. The results of this in-depthexamination provide insights into the complexities of juvenile justice in both countries.