This spreadsheet contains data about climate assessments published in the United States, including the Fifth National Climate Assessment and sub-national reports published by states, territories, and the District of Columbia. It includes the results of a search for the most recent version of assessment reports published (up until Nov. 2023), content categories applied to assessment chapters, and whether chapters contain theory methods or data from the social sciences, author expertise, and a typology of producing organizations. This dataset is associated with the following publication: Maxwell, K., M. Shacklette, E. Eisenhauer, A. Scheetz, E. Marino, and A. Zycherman. The social sciences in climate assessments in the United States. CLIMATIC CHANGE. Springer, New York, NY, USA, 178(91): 1-20, (2025).