In the framework of this research the influence of forced internal migration processes on the change and improvement of the legislation of Ukraine and individual EU countries is analyzed. A comparative analysis of the concept of 'internally displaced person' in the legislation of Ukraine and countries of Central and Eastern Europe is carried out. ln addition, compliance with the Guiding Principles on Internal Displacement Persons within the Country the regulations that are legally enshrined in Ukraine, Croatia, Georgia, Russian Federation and Moldova is investigated. On the basis of the conducted research it was made a conclusion that in comparison to the Council of Europe standards and legislation of individual EU countries in the field of IDPs rights pro vi son, the Ukrainian legislation has the disadvantage of relatively declarative enshrined IDPs rights. A number of amendments to the Law of Ukraine 'On the Protection of the Rights and Freedoms of Internally Displaced Persons' in order to stop discrimination and bring it in line with European and international standards is proposed to be introduced.