More Turnover, Less Turnout? Domestic Migration and Political Participation Across Communities

Giuliana Pardelli and Alexander Kustov

British Journal of Political Science, 2025, vol. 55, -

Abstract: Why do some areas experience lower voter turnout even under compulsory voting systems? This paper examines the impact of migration turnover – encompassing both in- and out-migration – on voter turnout across communities. While past research has focused on migrant/non-migrant differences or in-/out-migration separately, we propose that both migratory movements tend to decrease political participation due to increased transaction and social costs. Using surveys and a new panel dataset combining census and voting records from over 5,000 Brazilian municipalities, we identify a robust negative association between local migratory turnover and voter turnout. This relationship holds across various time frames, levels of aggregation, analytical approaches, and variable definitions. Individual-level data analyses further corroborate these results. Additional tests suggest social costs constitute a key mechanism deterring turnout. These findings highlight the need to consider the broader consequences of population mobility for democratic processes and representation, particularly in areas experiencing higher levels of turnover.

Date: 2025
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Persistent link: https://EconPapers.repec.org/RePEc:cup:bjposi:v:55:y:2025:i::p:-_57

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