Investigating the relationship between Islamic religiosity and electoral participation amongst Muslim citizens in Western Europe, this study combines insights from the sociology of religion and Islamic studies with political behavior literature thus creating an improved theoretical framework and a richer empirical understanding surrounding the electoral participation of religious minorities. First, we theorize about three underlying dimensions of Islamic religiosity: frequency of mosque attendance, religious identification, and frequency of prayer. Subsequently, we consider how the religiosity–voting relationship is bolstered or hindered by hostile national environments such as more exclusionary policies and practices (e.g., veil banning or exclusionary citizenship laws).

Empirically, we use a unique dataset that harmonizes five European surveys, resulting in a sample size of just under 8,000 European Muslims. Using multi-level techniques, we find, contrary to research on majority religiosity, that communal religiosity is unrelated to electoral participation. However, individual religiosity bolsters voting in particular among the second generation. Opposite to our expectation, we find that hostile environments do not seem to lead to different impacts of Islamic religiosity within Western Europe. Our results support the taking of a more fine-grained approach when measuring religiosity and also highlight how the impact varies across genders and generations.