Subnational Executive Elections Database (SEED) (v. 1)https://doi.org/10.7910/DVN/UPOWMWGiraudy, AgustinaGonzalez, Guadalupe AndreaHuertas-Hernández, SergioUrdinez, FranciscoHarvard Dataverse2025-09-172025-11-07T20:36:09ZThe <b>Subnational Executive Elections Database (SEED) (v. 1)</b> compiles data on subnational executive elections in Argentina, Brazil, and Mexico from 1983 to 2024. Produced by the Subnational Politics Project (SPP) team, the database includes information on winning candidates at the subnational level, percentage of votes obtained by the winner, runner-up, and last-place candidates, election date, number of registered voters, valid and invalid votes, number of parties in contest, the effective number of parties (ENP), and other relevant attributes.Social SciencesSubnational electionsSubnational partiesArgentina subnationalBrazil subnationalMexico subnationalGovernorsGiraudy, Agustina; Gonzalez, Guadalupe Andrea; Urdinez, Francisco, 2025, “Codebook: Subnational Politics Project (SPP) (v. 1)”,, https://doi.org/10.17605/OSF.IO/H96FD2025-09-17Gonzalez, Guadalupe2025-08-27CC0 1.0