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Data and Documentation

CLEA Lower Chamber Elections Archive

The dataset currently includes around 1,900 elections from 163 countries and territories.

CLEA Upper Chamber Elections Archive

The dataset currently includes 101 elections from 11 countries.

GeoReferenced Electoral Districts

The GRED datasets are geo-referenced maps for electoral districts in countries from the CLEA Lower Chamber elections archive. The goal of this project is to offer maps formatted in a manner so they can be linked to other standard geo-referenced data, allowing researchers to test a variety of research questions at a subnational level.

Party Nationalization Measures

The party nationalization datasets contain the effective number of parties, as well as several measures of party nationalization, at three different levels of aggregation: the national level, the party level, and the constituency level. They are provided for both the Lower Chamber and Upper Chamber elections results.

Election Forensics

The Election Results Evaluation Tool is a sophisticated data-based instrument for reporting quantitative election forensic results with a user-friendly interface that complements existing international efforts at monitoring electoral integrity.