The methodology for the state capacity estimates is described in "Leviathan's Latent Dimensions: Measuring State Capacity for Comparative Political Research." Additional documentation is provided in the online appendix associated with the article.
Download the State Capacity Dataset.
Please cite as follows:
Jonathan K. Hanson and Rachel Sigman. "Leviathan's Latent Dimensions: Measuring State Capacity for Comparative Political Research.'' Journal of Politics 83(4): 1495-1510, October 2021. doi.org/10.1086/715066.