EN
The effectiveness and the efficiency of the pension system is a problem that is not frequently mentioned in scientific writing, especially in its praxeological context. The objective of the article is to present the concept of the praxeological approach to assessment of the pension system. The first part of the article presents the objectives of the pension system. In the second part the praxeological approach to the assessment of pension system is discussed. The third part includes the definition and the multidimensional characteristics of the effectiveness and efficiency of the pension system. In the fourth part the concept of the measurement of effectiveness and efficiency with the use of multidimensional statistical analysis is proposed.