Polarization is a totalizing political tool. While the us versus them division has long fueled political competition, polarization is taking systemic struggle to the next level. Polarization divides the political landscape into two camps, where a compromise can only be found within a given group. The political scene in 21st century Europe is polarized. However, how does this situation affect European values and democratic principles of the rule of law, which protect the stability of democratic systems? Is a polarized state a place where citizens can fully enjoy the benefits of democracy? Can a polarized society reconcile political conflict with democratic values? The article analyzes the phenomenon of political polarization in theoretical terms related to the democratic principles, both classical and those of the contemporary liberal democracies. At the same time, using the example of Poland and other countries, the effects of polarizing actions and their impact on the internal political scene and the social situation are shown.