Kiyasov Sherzod Uralovich,
PhD, Professor .
Tashkent Institute of Finance
Tashkent, Uzbekistan
Abstract. The article examines the theoretical foundations of the formation of the system of taxation of the income of individuals, and analyzes the stages of its development. The article evaluates the results of their practical use on the basis of the comparative analysis of the epistemology foundations and models of the system of personal income taxation, the features of its development, laws and possibilities. It is shown on the basis of the analysis that the relevant models of income taxation were used for the incomes of individuals and in different periods of their existence, each of them has its own characteristics, achievements and shortcomings, when and under what conditions the use of this or that model is specific to which countries. The article compares the characteristics of three types of models of the personal income taxation system – schedule, global and dialestic or mixed model. In the article, the dualistic or mixed model of the system of taxation of personal income is typical for the tax practice of our country, rich foreign experience related to it, including the experience of the Scandinavian countries, and relevant recommendations regarding their use are given.In this regard, the article presents the analysis of empirical studies on the impact of the tax on the income of individuals on business activities, the description of the dualistic system of taxation of the income of individuals, the reasons for introducing the practice of separately taxing the income of individuals from work and capital in Scandinavian countries, the achievements of this practice it should be noted that it has been extensively studied.
Key words: individuals, individual incomes, individual income taxation practice, individual income taxation system, individual income taxation system models