The Subnational Politics Project (SPP) is a collaborative initiative dedicated to compiling, generating, and disseminating systematic, transparent, and publicly accessible data on subnational political institutions, processes, and electoral outcomes across Latin America.

The SPP's central goal is to build a comprehensive and standardized data infrastructure that enables both detailed within-country analysis and robust cross-national comparisons of subnational political dynamics.

By providing consistent and high-quality data, SPP seeks to advance scholarly and policy-oriented research on the political foundations and consequences of territorial inequality in the region.