Society for Longitudinal and Life Course Studies
The Society for Longitudinal and Life Course Studies is an international learned society with a multi-disciplinary nature, bringing together members who have a shared interest in longitudinal and life course research. SLLS was established in 2009 and has over 400 members worldwide.

The Population Research Institute
The Population Research Institute (PRI) at The Pennsylvania State University encourages, organizes, and supports innovative research and training in the population sciences. With the talents of over sixty outstanding scholars, PRI provides a supportive and collegial environment to stimulate collaborative, externally funded research. PRI is an NICHD supported population center.

Social Science Research Institute
SSRI promotes research that examines the perspectives needed to solve complex social problems, fosters communication and collaboration across a full range of social science disciplines, builds a shared infrastructure that enhances social science research, and provides opportunities for the research community to engage social science topics.