Income Inequality (1967-1998) - Table 1
Table 1. Measures of Individual Earnings Inequality for
Full-Time Year-Round Workers For Both Men and Women, 1967-1998
Gini Coefficient Income Ratios, 90/10 and 50/10
Both Sexes Men Women
Year Combined Men Women 90/10 50/10 90/10 50/10
1998 0.393 0.401 0.345 5.31 2.43 4.33 2.08
1997 0.394 0.403 0.341 5.36 2.38 4.46 2.23
1996 0.393 0.401 0.343 5.42 2.46 4.36 2.16
1995 0.388 0.398 0.332 5.31 2.38 4.46 2.23
1994 0.395 0.403 0.343 5.67 2.50 4.50 2.20
1993 0.389 0.397 0.336 5.42 2.50 4.20 2.15
1992 0.360 0.363 0.312 5.12 2.50 4.00 2.10
1991 0.355 0.354 0.311 5.00 2.42 3.94 2.02
1990 0.359 0.361 0.308 5.04 2.42 4.07 2.15
1989 0.362 0.361 0.310 4.87 2.35 4.04 2.08
1988 0.355 0.350 0.306 4.77 2.36 4.14 2.16
1987 0.353 0.347 0.300 4.81 2.40 4.00 2.11
1986 0.355 0.349 0.299 5.00 2.50 3.90 2.08
1985 0.348 0.343 0.289 4.80 2.40 3.74 2.00
1984 0.342 0.332 0.285 4.79 2.45 3.61 2.01
1983 0.340 0.332 0.280 4.67 2.39 3.57 1.97
1982 0.340 0.330 0.278 4.44 2.28 3.34 1.87
1981 0.334 0.321 0.266 4.29 2.29 3.23 1.85
1980 0.331 0.315 0.265 4.38 2.28 3.27 1.83
1979 0.335 0.317 0.264 4.01 2.18 3.18 1.82
1978 0.333 0.316 0.259 4.14 2.21 3.20 1.80
1977 0.332 0.315 0.260 4.12 2.27 3.27 1.87
1976 0.328 0.311 0.259 4.17 2.21 3.11 1.81
1975 0.327 0.308 0.260 3.83 2.04 3.14 1.84
1974 0.326 0.309 0.250 3.84 2.15 3.01 1.78
1973 0.330 0.309 0.261 3.85 2.09 3.38 1.94
1972 0.336 0.316 0.271 4.01 2.16 3.33 1.94
1971 0.328 0.309 0.268 3.93 2.13 3.39 1.94
1970 0.326 0.305 0.272 3.85 2.14 3.41 1.95
1969 0.326 0.305 0.264 3.75 2.06 3.30 1.98
1968 0.333 0.308 0.279 4.01 2.20 3.99 2.30
1967 0.340 0.314 0.298 4.20 2.33 4.67 2.67
Note: Change in data collection methodology suggests pre-1993 and post-1992
estimates are not strictly comparable (A New Mode of Data Collection).
Source: U.S. Census Bureau Current Population Survey, March 1968-1999
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Source: U.S. Census Bureau, Housing and Household Economic Statistics Division
Last Revised: September 21, 2009
