Purpose: One of the concerns of citizens and officials of organizations and institutions is social vitality development. Therefore, the present study was conducted to propose a model for social vitality development using meta-synthesis approach. Methodology: This study was applied in terms of objective and qualitative in terms of research method. The field of research was all articles on social vitality during 1990-2022, 39 of which were selected based on inclusion criteria by purposive sampling. The data were collected by taking notes from the articles and analyzed by content analysis based on the seven-step meta-synthesis approach of Sandelowski and Barroso (2007). Findings: The results showed that 19 components and 3 dimensions were identified for a model for social vitality development. The dimensions include urban development and urban planning (6 components of compliance with the principles of urbanization and good urban governance, urban furniture design and beautification of the neighborhood, urban services and preservation of the urban environment, calming of roads and smoothing of traffic, design and construction of parks and gardens, and construction of smart parking lots), social and cultural affairs (7 components of public and morning sports, development of sports centers, development of culture and art houses, citizen health services, development of game and entertainment centers, implementation of citizenship education programs and skill training and entrepreneurship) and relations and citizenship rights (6 components of strengthening family relations, neighborhood rights, strengthening the network of friends, local cohesion and identity, resilience and the narrative of the sense of experiencing vitality in the company of friends). Finally, according to the identified components and dimensions, a model was designed for social vitality development. Conclusion: The designed model for social vitality development based on meta-synthesis approach can have many practical implications for citizens and officials of urban and governmental organizations and institutions. Accordingly, they can design and implement solutions for social vitality development
