- Comparative Agendas Project: https://www.comparativeagendas.net/us
- The Comparative Agendas Project (CAP) collects and organizes a variety of data sources for the purposes of tracing policy agendas and outcomes in political systems. Ultimately the CAP brings together researchers to aid in developing a systematic comparison of political problems in many different countries.
- Team Populism: https://populism.byu.edu/Pages/Data
- Team Populism is an organization that brings together scholars from both Europe and the Americas to research the causes and consequences of populism. Focusing on why some populist parties, leaders, and movements are more successful than others, Team Populism is driven to provide hundreds of datasets concerning populism since 2013.