摘要：The public pension system is of paramount importance for any society, particularly through the impact that has on people's lives and the economic environment innumber of people involved (contributors and beneficiaries), the size of expenditures. The public pension system has an important part of the budgetexpenditures around the world where there is still active. The aging world population, active population is declining, the unemployment rate has increaseddramatically worldwide in financial economic crisis and the effects are found in massive retirements, the "solution" to the crisis.
