Tolerance is a prerequisite for deliberative democracies. Therefore, fostering tolerance is an important task for educational systems in democracies. In the present study, the concepts of social and political tolerance were disentangled and applied to the measurement approaches of the International Civic and Citizenship Education Study 2016 (ICCS 2016). A single scale of political tolerance was proposed by identifying items on equal rights of women and men, different racial and ethnic groups and immigrants that capture the support of equal political rights. Previous research indicates different approaches that might be used to foster tolerance in schools.