Summary and Keywords
From one point of view, Latin America’s party systems are in a constant state of change, with high levels of electoral volatility, recurrent episodes of personalism, and a generally low level of predictability. From a deeper analytic perspective, however, there are clear differences between periods of massive, essentially region-wide party-system change, as at the birth of mass politics in the first half of the 20th century and during the neoliberal era, and periods of relative stability, such as the period of the Cold War. Latin American party politics is thus characterized by a rhythm of (sometimes long) periods of continuity interrupted by episodes of crisis and change. Episodes of change occur when the foundations of political competition are revised: at the dawn of mass politics in the early 20th century, for example, or during the period of political and economic reform that marked the end of the Cold War. A distinctly Latin American puzzle for the study of party systems emerges from taking the long view of these periods of stability and disruption. For the most part, party systems in the region are distinctly central to politics and electoral in origin, in contrast to many other developing countries where parties are noncentral, volatile, or oriented toward nonelectoral forms of governance. Yet, these same party systems are largely unable to adjust their appeals when faced with fundamental transformations to the social, political, or economic landscape—in contrast to the party systems of much of North America and Western Europe, where many parties and party systems have successfully navigated multiple such transformations with the identities of key parties intact.
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