How does political representation of radical right parties (RRP) affect the relationship between immigration and right-wing terrorism targeting out-group members? Drawing on right-wing terrorism data of 31 OECD member states between 1970 and 2017, this paper explored the threefold relationship. Causal mediation analysis revealed that while growing immigration increases right-wing terrorism, RRPs have a mediation effect of decreasing attacks. Sensitivity analysis and robustness checks lend support to the findings. The article provides novel implications for the political consequences of RRP success and the effect of political representation on extremist violence.

This article examines whether citizens’ political preferences toward radical right parties (RRPs) change after right-wing extremist violent attacks. It investigates this question in two ways. First, it presents a time-series study on public support for the RRP Alternative for Germany (AfD) between 2013 and 2019. Second, the article employs a quasi-experimental research design to examine the effect of a right-wing terrorist attack on citizens’ attitudes toward immigrants. Both studies indicate that public support for the AfD and its programmatic core positions increased after right-wing extremist attacks. Subsequent analyses suggest that former voters of the mainstream right, in particular, drive this effect. These findings shed light on the determinants of radical right party support, contributing to the long-standing debate on the consequences of political violence.