The bachelor thesis deals with the problems of citizenship of the European Union and it focuses on its economical aspects. The first part summarises development of concept of the Union citizenship up to now and offers a brief description of particular rights that are covered in the concept of citizenship of the EU. The second part of the thesis concentrates on current issue of economical results arising from the Union citizenship for the citizens as well as for the member states and their social security systems. Chapter focusing on economical dimension of the citizenship rights is divided into two parts - the first one deals with the citizenship and financial benefits arising therefrom with a view to economically active persons in the EU, the second one with a view to persons who are economically inactive. A valuable and essential source primarily to the second part of the thesis is practice of the Court of Justice of the European Union, which forms and extends the Union citizenship. The bachelor thesis concludes that deepening European integration changed considerably the traditional approach in access to financial benefits arising mainly from the social security systems of member states
