J. Samuel Valenzuela is Professor of Sociology at the University of Notre Dame. Valenzuela's publications have focused on the origins and development of electoral processes, on labor movements and politics, on oppositions under authoritarian regimes, on democratic transitions and consolidation, on political parties, on problems and theories of development, and on comparative methodology. Broadly read and cited, his work relies frequently on careful examinations of the Chilean case, placing it in a comparative context drawn usually from cases in Western Europe and the Americas.

Thematic Interests

Historical and political sociology; democratization; comparative labor movements; religion; development

Current Research

Transitional justice, development and welfare state issues, and religion in Latin America.

Kellogg Book Series


Democratización vía reforma: la expansión del sufragio en Chile 2nd ed. (Editorial Universitaria, forthcoming)
Coauthors. El eslabón perdido: familia, modernización y bienestar en Chile with Eugenio Tironi (Taurus, 2006)
Chile: A Country Study (Federal Research Division, Library of Congress, 1994)

Journal Articles

Coauthors. “The Enduring Presence of Religion in Chilean Ideological Positionings and Voter Options” (with Nicolas Somma), Comparative Politics 40, 1 (October 2007)

Book Chapters

“Chile: The Development, Breakdown, and Recovery of Democracy” (with Arturo Valenzuela), in Jan Knippers Black, ed., Latin America: Its Problems and Its Promise (Westview Press, 2011)

Working Papers


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