Development and transformation of electoral systems in Latin America, 1900-2024
Authors
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Emilio Armendariz
Universidad de Buenos Aires y Universidad Torcuato Di Tella
https://orcid.org/0009-0009-8987-2991
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Aníbal Pérez Liñán
University of Notre Dame
https://orcid.org/0000-0003-4109-2725
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Laura Wills Otero
Universidad de los Andes
https://orcid.org/0000-0001-6330-8975
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Cristhian Uribe Mendoza
Universidad Nacional de Colombia
https://orcid.org/0000-0003-0049-3258
Abstract
This paper presents the results of a research that analyzes the historical evolution of electoral systems in twenty one countries in Latin America and the United States. In order to contribute to this area of study and complement existing information, a database tracking the evolution of electoral systems in the region has been updated. Electoral rules in the Lower Chambers of each country are observed, allowing for comparison between unicameral and bicameral systems. Additionally, two novel indexes are described: the Proportionality Potential and the Personal Vote Potential, which help understand how district magnitude impacts proportionality and the personalization of the vote, respectively.
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