This book delves into the ongoing discussions regarding transformative constitutionalism and its connection to international human rights law. The author examines the national constitutional and global justice systems in place for safeguarding human rights to determine whether there is a gradual shift towards a universal system of constitutional justice that prioritizes the dignity of all individuals. The book argues that, as a consequence of the broad lines of convergence between constitutional and international human rights law, an international constitutional system of human rights has been developed, ushering the emergence of a ius constitutionale commune, developed simultaneously in a convergent cooperation by a global community of interpreters composed of constitutional and international judges. The volume also offers a one-of-a-kind comparative analysis of non-compliance with constitutional norms in international human rights law, as evidenced by the case law of the European, Inter-American, and African human rights courts. Presenting a distinct and valuable contribution, the book will be of interest to academics and researchers working in the areas of Constitutional Law and Politics, Human Rights Law, Public Law, and Comparative Law.