Migration is a complex phenomenon that has significant implications for migrant workers’ access to social protection and for social security systems in both origin and destination countries. As the number of migrants continues to rise worldwide, policy makers face a multitude of challenges in adapting social protection programmes to meet the needs of an increasingly diverse population. This article explores the relationship between migration and social protection, highlighting key issues and trends that have emerged in recent years. It examines the impact of migration on social security systems in both sending and receiving countries and reports on the ways in which migration patterns can create both opportunities and challenges for these systems. The article provides an overview of social protection measures and gaps in selected countries and considers the need for policy makers to take account of the unique needs and circumstances of migrant populations. The article also explores the role of international cooperation in addressing the social protection challenges and opportunities posed by migration. It considers some of the emerging trends and innovations to support the governance of social protection schemes that may help to address some of the legal and practical challenges faced by migrant workers and social security institutions. The article highlights the importance of understanding the complex relationship between migration and social protection to develop policies and programmes that are responsive to the needs of all members of society, regardless of their country of origin or immigration status. It also underlines the importance of quality administration and good governance for the effective implementation of social protection measures. In support of the 2030 Sustainable Development Goals agenda, a call is made for continued dialogue and collaboration among policy makers and stakeholders to ensure that social security systems are equitable, effective, inclusive, and sustainable in an increasingly globalized world.