This article examines the demand for migrant labor in older-adult care as one of the key aspects of the aging and migration nexus. It reviews the demographic determinants that have shaped demand for and provision of older-adult care across Europe. Using the EU Labour Force Survey, new comparative estimates are generated on the employment of migrants in care occupations and the channels of entry into the European labor market. Projections on demand for and supply of care to the older population reveal a future gap in both formal and informal provision. It is shown that, owing to institutional, economic, and social constraints, the significant growth of the care workforce that will be required to meet the future needs of Europe's aging populations is unlikely to be achieved by relying exclusively on EU labor supply. The conclusions outline some implications for future immigration policies.