The second point is concerned with the structure of the revenue source needed to
cover the costs. The thinking is that the division of costs to pay for the Health
Insurance System for the Advanced Elderly will be made up of insurance charges
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levied on the advanced elderly (10%), and for the remainder, supporting funds taken
from insurance premiums levied on the active generation (40%) and a public subsidy
(50%)4. The supporting funds will in principle be charged on a proportional basis to
the persons participating in each existing insurance program. Furthermore, because
the population structure of advanced elderly and younger people changes, the
insurance premium percentage (10%) to be charged to advanced elderly persons is not
fixed. Specifically, from fiscal 2010, the premium will be raised by half the percentage
decline in the population of younger persons, and the percentage of supporting funds
will be lowered in a way that corresponds to this.