The relationship between voter participation and party fortunes has received much attention in the voting behavior literature. Specifically, a number of studies on the advanced industrial democracies postulate that left-of-center parties benefit from higher turnout. This article extends that argument to a quite different context: the economically and politically volatile post-communist world. Using aggregate data from 15 post-communist countries between 1990 and 1999, we test the turnoutparty vote linkage. We find that, indeed, increased turnout benefits left parties, particularly the successor communist parties, while adversely affecting conservative and nationalist parties.As the transition from communism continues across Europe, scholarly attention remains focused on several closely related issues. Both country-specific and cross-national analyses examine the forces that drive mass participation and electoral choice in an environment where they are no longer mandated by the state (