The aim of this investigation is orientated to quantify the impact of the efficiency of the basic siefores in the users, stocks in the net performance. The used method, it consisted of using statistical tools, and econometrics, for compiling and evaluating the statistical information of the consar, on the Net performance, to verify the efficiency of the managing of this saving. The originality of the present investigation, it consists, in that there has not been in use the net performance, in the analysis of this problem and to clarify the managing of the basic Siefores. Whiting the limitations of the investigation, this limited clarity that the financial institutions present in his functioning and information to the users. The study concludes that are counted the Siefores that give him a suitable, reliable and sure managing to the savings of the workers, and that with it could have a calm retirement.