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Mapping Unionism in Latin America: A Proposal for Measuring Union Power

Published online by Cambridge University Press:  31 July 2025

Rodrigo M. Medel*
Affiliation:
Faculty of Education and Social Sciences, Universidad Andres Bello, Chile
Sebastián Osorio Lavin
Affiliation:
Independent Researcher, Chile
*
Corresponding author: Rodrigo M. Medel; Email: rodrigo.medel.sierralta@gmail.com

Abstract

This study introduces a novel approach to measuring the evolution of union power in Latin America. Using an original dataset covering ten dimensions of union activity across 17 countries from 1990 to 2020, it addresses shortcomings in prior research based on overly broad indicators or narrow case studies. In line with the specialized literature, factor analysis identifies four distinct dimensions of union power—associational, structural, institutional, and societal—each showing unique variation across countries. Hierarchical cluster analysis reveals four ideal types: (1) strongly embedded unionism, with robust associational and institutional strength (Argentina, Uruguay); (2) social movement unionism, marked by strong societal alliances but limited institutional access (e.g., Bolivia, Ecuador); (3) bureaucratic and isolated unionism, with institutional integration but weak societal mobilization (Brazil, Chile, Mexico); and (4) low-intensity unionism, prevalent in Central America. Correlation analyses reveal complex interactions among these dimensions. The study provides new empirical and conceptual tools to advance comparative research on labor movements in the region.

Information

Type
Research Notes
Copyright
© The Author(s), 2025. Published by Cambridge University Press on behalf of University of Miami

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