A database of cast vote records from the 2020 U.S. general election, created by downloading publicly available unstandardized cast vote records, standardizing them into a multi-state database, and extensively comparing their totals to certified election results.

Repository for the results of the 2024 U.S. general election, mostly at the precinct level.

Learn about opportunities and how you can collaborate with MEDSL and others in the field of election science.

Repository for the results of the 2022 U.S. general election, mostly at the precinct level.

By applying scientific principles to how elections are studied and administered, MEDSL aims to improve the democratic experience for all U.S. voters.