Manifesting the heterogeneity in the area of social pension system at the European Union level creates the possibility of identifying of some combinations varying between the financing sources and formulating numerous conclusions respective to implicating the three party: state, employer, person paying taxes. Correlating the financial power of the sustainers in the respect of the public pension system is having an essential participation level in order to obtain a higher rate in the transforming grade of the sources into financial means and into usages.