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Historical Income Tables - Income Equality

                                                                  
. Table IE-6.  Measures of Household Income Inequality: 1967 to 2001*       
 ------------------------------------------------------------------------- 
                      Variance        Mean                                 
                        of the logarithmic                Atkinson         
                        log of   deviation         ----------------------- 
 Year            Gini   income   of income   Theil  e=0.25  e=0.50  e=0.75 
 ------------------------------------------------------------------------- 
 2001           0.466    1.007       0.515   0.413   0.098   0.189   0.282 
 2000 30/       0.462    0.983       0.490   0.404   0.096   0.185   0.275 
 2000 /29       0.460    0.981       0.485   0.402   0.095   0.184   0.273 
 1999           0.457    1.002       0.475   0.385   0.092   0.180   0.268 
 1998           0.456    0.973       0.488   0.389   0.093   0.181   0.271 
 1997           0.459    0.966       0.484   0.396   0.094   0.183   0.272 
 1996           0.455    0.954       0.464   0.389   0.093   0.179   0.266 
 1995 25/       0.450    0.945       0.452   0.378   0.090   0.175   0.261 
 1994 24/       0.456    0.976       0.471   0.387   0.092   0.180   0.268 
 1993 23/       0.454    0.942       0.467   0.385   0.092   0.178   0.266 
 1992 22/       0.434    0.925       0.416   0.323   0.080   0.160   0.242 
 1991           0.428    0.878       0.411   0.313   0.078   0.156   0.237 
 1990           0.428    0.888       0.402   0.317   0.078   0.156   0.236 
 1989           0.431    0.887       0.406   0.324   0.080   0.158   0.239 
 1988           0.427    0.899       0.401   0.314   0.078   0.155   0.236 
 1987 21/       0.426    0.936       0.414   0.311   0.077   0.155   0.238 
 1986           0.425    0.888       0.416   0.310   0.077   0.155   0.237 
 1985 20/       0.419    0.863       0.403   0.300   0.075   0.151   0.231 
 1984           0.415    0.859       0.391   0.290   0.073   0.147   0.225 
 1983 19/       0.414    0.865       0.397   0.288   0.072   0.147   0.226 
 1982           0.412    0.864       0.401   0.287   0.072   0.146   0.226 
 1981           0.406    0.826       0.387   0.277   0.070   0.141   0.220 
 1980           0.403    0.792       0.375   0.274   0.069   0.140   0.216 
 1979 18/       0.404    0.816       0.369   0.279   0.070   0.141   0.216 
 1978           0.402    0.784       0.363   0.275   0.069   0.139   0.213 
 1977           0.402    0.768       0.364   0.276   0.069   0.139   0.213 
 1976 17/       0.398    0.756       0.361   0.271   0.068   0.137   0.211 
 1975 16/       0.397    0.746       0.361   0.270   0.067   0.136   0.210 
 1974 16/15/    0.395    0.740       0.352   0.267   0.067   0.134   0.207 
 1973           0.397    0.776       0.355   0.270   0.068   0.136   0.210 
 1972 14/       0.401    0.790       0.370   0.279   0.070   0.140   0.216 
 1971 13/       0.396    0.782       0.370   0.273   0.068   0.138   0.214 
 1970           0.394    0.805       0.370   0.271   0.068   0.138   0.214 
 1969           0.391    0.774       0.357   0.268   0.067   0.135   0.209 
 1968           0.388    0.779       0.356   0.273   0.067   0.135   0.208 
 1967 12/       0.399    0.813       0.380   0.287   0.071   0.143   0.220 
 
--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
 
                              

* See Current Population Reports, Series P60-204, "Technical 
Appendix" for explanations of the various summary measures   
and Atkinson inequality aversion parameter (e).              
                                                             
NOTE: Change in data collection methodology suggests pre-1993
and post-1992 estimates are not strictly comparable.         
. 

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SOURCE: Current Population Survey, Annual Demographic Supplements                                   
                                                                                                    
FOR MORE INFORMATION CONTACT:                                                                       
Income Surveys Branch                                                                               
Housing & Household Economic Statistics Division                                                    
U.S. Census Bureau                                                                                  
U.S. Department of Commerce                                                                         
Washington, D.C.  20233-8500                                                                        
Housing and Household Economic Statistics Division Information Staff at (301)763-3242


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Source: U.S. Census Bureau, Housing and Household Economic Statistics Division
Last Revised: May 13, 2005

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Page Last Modified: May 13, 2005