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Historical Income Tables - Experimental Measures

                                                                  
Table RDI-5. Index of Income Concentration (Gini Index), by Definition
  of Income: 1979 to 2003

  _____________________________________________________________________________
   Definition                          2003       2002       2001    2000 30/
  _____________________________________________________________________________
  Income before taxes:

  1. Money income excluding
      capital gains (current
      measure)                         0.450      0.448      0.450       0.448
  2. Definition 1 less govern-
      ment transfers                   0.507      0.504      0.503       0.501
  3. Definition 2 plus capital
      gains (losses)                   0.503      0.501      0.515       0.513
  4. Definition 3 plus health
      insurance supplements to
      wage or salary income            0.498      0.498      0.510       0.509

  Income after taxes:

  5. Definition 4 less social
      security payroll taxes           0.502      0.500      0.517       0.516
  6. Definition 5 less federal
      income taxes                     0.484      0.483      0.500       0.496
  7. Definition 6 plus the
      earned income credit             0.480      0.479      0.497       0.493
  8. Definition 7 less state
      income taxes                     0.475      0.474      0.491       0.488
  9. Definition 8 plus non-
      means-tested government
      cash transfers                   0.420      0.419      0.438       0.435
  10. Definition 9 plus medicare       0.408      0.407      0.424       0.423
  11. Definition 10 plus regular-
      price school lunches             0.408      0.407      0.424       0.423
  12. Definition 11 plus means-
      tested government cash
      transfers                        0.403      0.402      0.420       0.419
  13. Definition 12 plus medicaid      0.399      0.399      0.416       0.416
  14. Definition 13 plus other
      means-tested government
      noncash transfers                0.394      0.394      0.412       0.412
  15. Definition 14 plus net
      imputed return on equity
      in own home                      0.390      0.388      0.406       0.404

________________________________________________________________________________________________________________________________________________________________________________________________________

  ________________________________________________________________________________
   Definition                       1999 26/29/       1998       1997       1996
  ________________________________________________________________________________

  1. Money income excluding
      capital gains (current
      measure)                             0.446      0.446      0.448      0.447
  2. Definition 1 less govern-
      ment transfers                       0.500      0.500      0.504      0.505
  3. Definition 2 plus capital
      gains (losses)                       0.514      0.513      0.516      0.515
  4. Definition 3 plus health
      insurance supplements to
      wage or salary income                0.509      0.509      0.513      0.511

  Income after taxes:

  5. Definition 4 less social
      security payroll taxes               0.516      0.514      0.517      0.516
  6. Definition 5 less federal
      income taxes                         0.495      0.493      0.496      0.492
  7. Definition 6 plus the
      earned income credit                 0.491      0.489      0.492      0.488
  8. Definition 7 less state
      income taxes                         0.487      0.484      0.487      0.483
  9. Definition 8 plus non-
      means-tested government
      cash transfers                       0.433      0.431      0.431      0.429
  10. Definition 9 plus medicare           0.421      0.419      0.419      0.416
  11. Definition 10 plus regular-
      price school lunches                 0.421      0.419      0.418      0.416
  12. Definition 11 plus means-
      tested government cash
      transfers                            0.416      0.413      0.412      0.408
  13. Definition 12 plus medicaid          0.414      0.411      0.409      0.405
  14. Definition 13 plus other
      means-tested government
      noncash transfers                    0.409      0.405      0.403      0.398
  15. Definition 14 plus net
      imputed return on equity
      in own home                          0.403      0.399      0.397      0.392

________________________________________________________________________________________________________________________________________________________________________________________________________

  ________________________________________________________________________________
   Definition                       1995 25/    1994 24/    1993 23/    1992 22/
  ________________________________________________________________________________

  1. Money income excluding
      capital gains (current
      measure)                          0.444       0.450       0.448       0.430
  2. Definition 1 less govern-
      ment transfers                    0.503       0.510       0.508       0.490
  3. Definition 2 plus capital
      gains (losses)                    0.511       0.518       0.516       0.497
  4. Definition 3 plus health
      insurance supplements to
      wage or salary income             0.509       0.515       0.514       0.497

  Income after taxes:

  5. Definition 4 less social
      security payroll taxes            0.514       0.519       0.517       0.499
  6. Definition 5 less federal
      income taxes                      0.490       0.496       0.494       0.478
  7. Definition 6 plus the
      earned income credit              0.486       0.492       0.492       0.476
  8. Definition 7 less state
      income taxes                      0.481       0.487       0.487       0.471
  9. Definition 8 plus non-
      means-tested government
      cash transfers                    0.424       0.431       0.430       0.415
  10. Definition 9 plus medicare        0.412       0.419       0.419       0.404
  11. Definition 10 plus regular-
      price school lunches              0.412       0.419       0.419       0.404
  12. Definition 11 plus means-
      tested government cash
      transfers                         0.404       0.410       0.409       0.395
  13. Definition 12 plus medicaid       0.400       0.407       0.406       0.392
  14. Definition 13 plus other
      means-tested government
      noncash transfers                 0.394       0.400       0.398       0.385
  15. Definition 14 plus net
      imputed return on equity
      in own home                       0.388       0.395       0.395       0.381

________________________________________________________________________________________________________________________________________________________________________________________________________

  ____________________________________________________________________________
   Definition                          1991       1990       1989       1988
  ____________________________________________________________________________

  1. Money income excluding
      capital gains (current
      measure)                         0.425      0.426      0.429      0.425
  2. Definition 1 less govern-
      ment transfers                   0.483      0.480      0.481      0.477
  3. Definition 2 plus capital
      gains (losses)                   0.491      0.487      0.493      0.490
  4. Definition 3 plus health
      insurance supplements to
      wage or salary income            0.490      0.487      0.492      0.489

  Income after taxes:

  5. Definition 4 less social
      security payroll taxes           0.492      0.489      0.495      0.492
  6. Definition 5 less federal
      income taxes                     0.471      0.468      0.473      0.469
  7. Definition 6 plus the
      earned income credit             0.470      0.466      0.472      0.468
  8. Definition 7 less state
      income taxes                     0.464      0.461      0.465      0.461
  9. Definition 8 plus non-
      means-tested government
      cash transfers                   0.410      0.410      0.415      0.411
  10. Definition 9 plus medicare       0.400      0.400      0.405      0.401
  11. Definition 10 plus regular-
      price school lunches             0.400      0.400      0.405      0.401
  12. Definition 11 plus means-
      tested government cash
      transfers                        0.391      0.392      0.398      0.394
  13. Definition 12 plus medicaid      0.388      0.389      0.395      0.392
  14. Definition 13 plus other
      means-tested government
      noncash transfers                0.380      0.382      0.389      0.385
  15. Definition 14 plus net
      imputed return on equity
      in own home                      0.379      0.381      0.387      0.384

________________________________________________________________________________________________________________________________________________________________________________________________________

  ______________________________________________________________________________
   Definition                       1987 21/       1986    1985 20/       1984
  ______________________________________________________________________________

  1. Money income excluding
      capital gains (current
      measure)                          0.424      0.423       0.418      0.413
  2. Definition 1 less govern-
      ment transfers                    0.477      0.476       0.471      0.467
  3. Definition 2 plus capital
      gains (losses)                    0.489      0.507       0.486      0.477
  4. Definition 3 plus health
      insurance supplements to
      wage or salary income             0.488      0.505       0.486      0.477

  Income after taxes:

  5. Definition 4 less social
      security payroll taxes            0.491      0.510       0.488      0.480
  6. Definition 5 less federal
      income taxes                      0.466      0.489       0.466      0.458
  7. Definition 6 plus the
      earned income credit              0.465      0.488       0.466      0.458
  8. Definition 7 less state
      income taxes                      0.458      0.483       0.460      0.453
  9. Definition 8 plus non-
      means-tested government
      cash transfers                    0.408      0.434       0.410      0.403
  10. Definition 9 plus medicare        0.399      0.425       0.402      0.395
  11. Definition 10 plus regular-
      price school lunches              0.399      0.425       0.402      0.395
  12. Definition 11 plus means-
      tested government cash
      transfers                         0.391      0.417       0.394      0.387
  13. Definition 12 plus medicaid       0.389      0.415       0.392      0.385
  14. Definition 13 plus other
      means-tested government
      noncash transfers                 0.382      0.409       0.385      0.378
  15. Definition 14 plus net
      imputed return on equity
      in own home                       0.380      0.404       0.381      0.372

________________________________________________________________________________________________________________________________________________________________________________________________________

  _____________________________________________________________________________
   Definition                       1983 19/       1982       1981       1980
  _____________________________________________________________________________

  1. Money income excluding
      capital gains (current
      measure)                          0.412      0.409      0.404      0.401
  2. Definition 1 less govern-
      ment transfers                    0.468      0.467      0.459      0.454
  3. Definition 2 plus capital
      gains (losses)                    0.478      0.475      0.466      0.462
  4. Definition 3 plus health
      insurance supplements to
      wage or salary income             0.478      0.475      0.466      0.462

  Income after taxes:

  5. Definition 4 less social
      security payroll taxes            0.480      0.477      0.469      0.465
  6. Definition 5 less federal
      income taxes                      0.457      0.451      0.440      0.436
  7. Definition 6 plus the
      earned income credit              0.456      0.451      0.439      0.436
  8. Definition 7 less state
      income taxes                      0.451      0.446      0.434      0.430
  9. Definition 8 plus non-
      means-tested government
      cash transfers                    0.399      0.391      0.382      0.379
  10. Definition 9 plus medicare        0.392      0.383      0.375      0.372
  11. Definition 10 plus regular-
      price school lunches              0.392      0.383      0.375      0.372
  12. Definition 11 plus means-
      tested government cash
      transfers                         0.383      0.375      0.366      0.363
  13. Definition 12 plus medicaid       0.381      0.373      0.364      0.360
  14. Definition 13 plus other
      means-tested government
      noncash transfers                 0.374      0.366      0.358      0.354
  15. Definition 14 plus net
      imputed return on equity
      in own home                       0.368      0.359      0.350      0.347

________________________________________________________________________________________________________________________________________________________________________________________________________

  ____________________________________________
   Definition                       1979 18/
  ____________________________________________

  1. Money income excluding
      capital gains (current
      measure)                          0.403
  2. Definition 1 less govern-
      ment transfers                    0.453
  3. Definition 2 plus capital
      gains (losses)                    0.460
  4. Definition 3 plus health
      insurance supplements to
      wage or salary income             0.460

  Income after taxes:

  5. Definition 4 less social
      security payroll taxes            0.462
  6. Definition 5 less federal
      income taxes                      0.436
  7. Definition 6 plus the
      earned income credit              0.434
  8. Definition 7 less state
      income taxes                      0.429
  9. Definition 8 plus non-
      means-tested government
      cash transfers                    0.382
  10. Definition 9 plus medicare        0.375
  11. Definition 10 plus regular-
      price school lunches              0.375
  12. Definition 11 plus means-
      tested government cash
      transfers                         0.367
  13. Definition 12 plus medicaid       0.364
  14. Definition 13 plus other
      means-tested government
      noncash transfers                 0.359
  15. Definition 14 plus net
      imputed return on equity
      in own home                       0.352
 
________________________________________________________________________________________________________________________________________________________________________________________________________
 
 

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Footnotes                
See separate page for                                                                         
 Suggested Citations               
                                                                                              
SOURCE:  U.S. Census Bureau, Current Population Survey, Annual Social and Economic 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                                                                  

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Source: U.S. Census Bureau, Housing and Household Economic Statistics Division
Last Revised: December 20, 2005