Reduction of death rate has considerably affected on family life cycle in Japan. Average marriage period for couples of bridegroom of 28 years old and bride of 25, which was below 30 years at prewar time, is now about 46 years. Taking an example of father aged 60 and successing son aged 30, father's day will continue 19.5 years from now and the son will succeed his father at the age of 50, expecting to last for 29 years. Average future co-living period of such pairs as wife 50 and mother-in-law 80 has increased from 5.9 years to 8.2 years between 1955 and 1990, and average duration of wife's life after death of mother-in-law has increased from 21 years to 26 years during this period. Looking solely from the point of view of expectation of life at 60, 60 years of age in 1960 is equivalent to 67-68 years in 1990. The rate of those domiciliary elderly who need physical assistance or care increases rapidly with age. By applying such rates to 1990 Life Tables, the ratio of those female elderly aged 80 or over who need care to female population aged between 50 and 64 is 1 to 20 (1 to 13 if including such male elderly). Because of the reduction of the function to take care of the elderly at home, doubled by the extension of life expectancy, the issue of care for the elderly is anticipated to become more serious in future. There are many factors which make it especially difficult to solve the issue in Japan: women's participation in labor force and related problems, housing conditions, low level of welfare, overwhelming shortage of care manpower, etc. As for care manpower, the target number of home helpers stated at the Ten Year Strategy for Promotion of Health and Welfare of the Elderly, so called Gold Plan, is 100,000 by the year 2000. Even if this target is achieved, the number of home helpers per 100,000 population is still low compared to other developed countries. Therefore, in order to secure necessary manpower for care, revolutions in consciousness and paradigm of the Japanese society are required. To solve the issues on care for the elderly in a desirable way for both the elderly and society as a whole, the following approaches are thought to be very important: To enhance preventive policies; To expand social services which help the elderly to continue independent life; To develop a social system which provide support to those elderly who need heavy care.
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