Experience of modernization of pension systems in economically developed countries

The subject of the study are the processes of reforming pension systems in countries with developed and transition economies and existing and prospective models of combined pension systems: modernized solidarity, cumulative and private, which are financially more stable in conditions of demographic and economic changes. The purpose of the research is to study the trends and ways of modernization of the pension system, the need for which is related to the dynamics of the demographic situation, the aging of the population and the threat of a crisis in public finances. Methods of research. To order terminology, refine the conceptual apparatus, determine the content of analytics, substantiate and select arguments, criteria and a complex system of indicators, methods of systematization and generalization, immanent comparative analysis are used. Methodology of the work are the main provisions of the economic theory of the neoliberal social and market transformation of the economy, the work of domestic and foreign scientists and practitioners in the field of modernization of social and pension provision systems. Results of the work. The main scientific result of the research is the theoretical substantiation and practical solution of a set of issues related to the problems of studying modern trends and ways of introducing and developing pension reforms in the world and in Ukraine. Use of results. The results of this study can be used in the study of problems of planning, preparation, implementation and development of pension reforms in the Ukraine. Conclusions. The influence and potential effectiveness of weighted and balanced models of reforming the pension system of the Ukraine in the context of innovations and the dynamics of the development of world pension systems are shown, taking into account the specifics of the experience of implementing pension systems in developed countries and the possibilities of implementing it within the framework of domestic reform of the entire social sphere.