Table 9 International comparison of elderly (65 years old and over) percentage to the total population and Social Security Expenditure as percentage of National Income (Unit: %) Japan France Germany Sweden U.K. U.S.A. Year Elderly Social Security Expenditure per NI Elderly Social Security Expenditure per NI Elderly Social Security Expenditure per NI Elderly Social Security Expenditure per NI Elderly Social Security Expenditure per NI Elderly Social Security Expenditure per NI % % % % % % 1960 5.73 4.9 11.6 16.3 10.6 18.5 12.0 13.2 11.9 12.3 9.2 n.a. 1965 6.29 6.0 12.6 18.9 11.6 20.1 12.9 16.8 12.2 14.1 9.3 n.a. 1970 7.07 5.8 13.4 17.8 13.2 20.5 13.7 23.0 13.0 15.9 9.9 10.7 1975 7.92 9.5 13.5 26.9 14.5 29.0 15.1 30.9 14.2 19.3 10.5 15.0 1980 9.10 12.4 14.1 33.2 15.5 30.0 16.3 39.2 15.1 22.4 11.2 14.4 1981 9.34 13.1 13.8 34.7 15.3 31.4 16.5 40.9 15.3 24.7 11.4 14.6 1982 9.56 13.7 13.3 36.1 15.0 31.9 17.0 40.7 15.2 25.6 11.6 15.5 1983 9.77 13.9 13.2 36.9 15.0 31.0 16.8 42.7 15.1 25.2 11.6 15.9 1984 9.94 13.8 13.1 37.1 14.7 30.5 17.6 39.3 15.0 23.7 11.9 14.7 1985 10.30 13.7 12.8 36.8 14.8 30.1 17.9 39.8 15.3 23.6 12.0 14.6 1986 10.58 14.2 13.1 34.6 15.1 29.3 18.1 40.2 15.3 23.7 12.1 14.6 1987 10.90 14.3 13.3 34.2 15.3 29.7 18.2 43.7 15.5 22.7 12.3 15.6 1988 11.23 14.1 13.6 34.2 15.4 29.7 18.3 44.8 15.6 21.5 12.2 15.3 1989 11.61 13.9 13.7 33.6 15.4 28.4 17.8 44.6 15.6 20.9 12.5 15.2 1990 12.08 13.7 14.0 34.0 15.0 27.5 17.8 46.6 15.7 22.0 12.5 16.0 1991 12.56 13.8 14.2 34.8 15.0 29.7 17.7 49.1 15.8 25.0 12.6 17.4 1992 13.05 14.6 14.5 35.8 15.1 31.4 17.7 52.5 15.8 26.8 12.5 18.7 1993 13.55 15.3 14.5 37.7 15.1 33.3 17.6 53.4 15.8 27.2 12.7 n.a. 1994 14.06 16.2 15.0 15.3 17.5 15.7 12.7 1995 14.54 17.0 15.2 15.5 17.5 15.7 12.8 1996 15.11 17.3 15.4 15.7 17.4 15.7 12.8 1997 15.66 17.8 15.7 15.4 17.0 15.8 12.7