The family remains one of the most important sources of support for older adults. Geographic proximity between family members has important implications for the growing demand for formal and informal care. As people age, their own and their family members’ residential (im)mobility may be a strategy to facilitate the exchange of care. Drawing on the full population register data from Norway and Sweden, this research addresses the following question: How are needs-related life circumstances of older people associated with their own and their relatives’ migration and immobility (including older adults’ moves into institutionalized care facilities)? The roles of a range of needs-related life circumstances of older adults in their own and their ...