Subnational Legislative Elections Database (SLED) (v. 1)

The Subnational Legislative Elections Database (SLED) (v. 1) compiles data on subnational legislative elections in Argentina, Brazil, and Mexico from 1983 to 2024. Produced by the Subnational Politics Project (SPP) team, the database includes information on on parties competing in legislative elections, number of votes obtained by party, number of seats, election date, effective number of parties (ENP), number of registered voters, and number of valid, null, and blank votes. It also includes the among other relevant attributes.