Background: As unpaid family caregiving of older adults becomes increasingly prevalent, it is imperative to understand how family caregivers are socialized and how they understand the caregiving role. Methods: This PRISMA-ScR-based scoping review examines the published literature between 1995–2019 on the socialization of potential and current unpaid family caregivers of older adults. Results: Of 4,599 publications identified, 47 were included.