Comparing Insulin Prices in the United States to Other Countries: Updated Results Using 2022 Data

Manufacturers' list prices for insulin have increased dramatically over the past decade in the United States. In this study, the authors present results from a comparison of U.S. and international prices for insulins using a price index approach. They compare prices for all insulins and different categories of insulin in the United States and 33 comparison Organisation for Economic Co-operation and Development countries. They present separate comparisons using U.S. manufacturer gross prices reflected at pharmacies and estimated manufacturer net prices after applying rebates paid by manufacturers. This study updates a prior RAND Corporation study, Comparing Insulin Prices in the United States to Other Countries: Results from a Price Index Analysis, with more-recent data and includes new supplementary analyses, editorial changes, and updates to reflect the evolving insulin market landscape.