But in the last couple of generations in which this system has operated, the youth population has been declining, so that the burden is correspondingly greater, and tax revenues are not enough to meet outlays. Thus, deficits are created.
然而，這套制度運作兩代下來，因為年輕人口愈來愈少，負擔相對愈來愈重，因此稅收不足以應付，造成政府的財政虧損。