Abstract: The article is dedicated to the study of the level of certain taxes in Ukraine and the European Union. Proven the relevance and importance of determining the optimal taxes level in order to fill the State’s budget and to ensure the performing of State’s functions. Proven that the effectiveness of taxation in all countries is based on general principles, namely: social justice, simplicity and ease of payment, transparency and clarity, ease of administration, mandatory. Determined the main groups of taxes in the world. Considered the advantages and disadvantages of different types of taxes. Defined the essence and features of such taxes as value-added tax, personal income tax and corporate income.

This study uses a method of comparative analysis, that compares the levels of tax rates in Ukraine and the European Union. For Ukraine it is important to consider and study in detail all the trends that are characteristic for European Union countries to apply extensive experience in taxation. Determined the optimal level of tax revenues to the state budget. Proven that an adequate tax policy brings a balance of economic efficiency and social justice.

Analyzed the level of tax revenues to the Consolidated Budget of Ukraine for 2019, 2020. The estimate of the level of tax burden in Ukraine as a criterion of efficiency of state tax policy and tendencies of its impact on economic development is uncovered. Determined the structure of tax revenues in the budget revenues. Considered factors and reasons that do not allow to achieve the optimal level of tax revenues to the budget of Ukraine. Defined the main directions for improving the tax system and tax policy of Ukraine. Proven the necessity to focus on the experience of highly developed countries in the field of tax regulation, with a special attention to national characteristics.