This volume brings together twelve contributions that approach the right to social security from diverse perspectives – constitutional, comparative, European, and international.This edited volume is dedicated to the fundamental right to social security. Long recognised as a cornerstone of the welfare state and an indispensable element of human dignity, this right is enshrined in most national constitutions as well as in international and European human rights instruments. Yet its meaning, scope, and enforceability remain deeply contested across jurisdictions.What guarantees does the right to social security actually protect? Can the right to social security be invoked in courts in the same manner as other human rights? How does it interact with other rights applicable to social protection?This volume brings together twelve contributions that approach the right to social security from diverse perspectives - constitutional, comparative, European, and international. Together, the contributions chart both the normative foundations and the practical challenges of the right, offering fresh insights into its doctrinal development, institutional enforcement, and potential for renewal.