The rapidly aging populations of many developed countries--most notably Japan and member countries of the European Union--present obvious problems for the public pension plans of these countries. Not only will there be disproportionately fewer workers making pension contributions than there are...

Demographic trends in most developed economies are characterized by rising longevity and decreasing birthrates. These trends endanger the sustainability of the current public pension systems. Therefore social security reform proposals are on the agenda in many countries. This paper demonstrates...