Retirement plans are changing: Percent of workers by type of retirement plan Both defined benefit Defined benefit Defined contribution and contribution 1976 30 6 8 1977 30 7 8 1978 29 7 9 1979 28 7 9 1980 28 8 10 1981 27 9 10 1982 23 10 13 1983 21 11 14 1984 19 11 15 1985 17 13 16 1986 17 14 15 1987 17 15 14 1988 16 15 14 1989 15 16 14 1990 13 17 15 1991 13 18 14 1992 12 20 14 1993 11 20 15 1994 10 21 14 1995 9 23 14 1996 8 23 15 1997 6 25 15 Source: Pension and Welfare Benefits Administration.