EN
The aim of the article is to present the changes that were made in Polish pension system in transition period and to indicate their influence on functioning of the pension system. The article places also special emphasis on presenting the weaknesses of the old pension system (running before 1 January 1999) like for example sensitivity to ageing society, political decisions or lack of law transparency. The new pension system was established on 1 January 1999. The system consists of three pillars. Two of them are mandatory and one is voluntary. Starting the new system was an attempt to eliminate problems resulting from the construction of the old system. The pension system no longer encourages to hide income or to retire before reaching the pensionable age. However, only some of the problems were eliminated. The system is still sensitive to manipulations and there are no fixed law regulations.