We live times where modernization and electronic communication is the unique key to simplifying our daily lives. The electronization of public administration is important for all states and should be one of the priorities. It turned out mainly in the time of COVID-19 pandemic. This article will therefore focus on defining the development digitalization of public administration in the Czech Republic and describing its possible development in the future, especially of digitalization of tax administration in the Czech Republic. This article also aims to summarize state of public administration in selected member states of European Union. Based on that a comparison, the authors will evaluate how the Czech Republic is doing in comparison with the selected countries.