Income, Poverty, and Health Insurance Coverage ... - Census Bureau
Income, Poverty, and Health Insurance Coverage ... - Census Bureau
Income, Poverty, and Health Insurance Coverage ... - Census Bureau
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Table A-2.<br />
Selected Measures of Household <strong>Income</strong> Dispersion: 1967 to 2009—Con<br />
(<strong>Income</strong> in 2009 CPI-U-RS adjusted dollars For further explanation of income inequality measures, see Current Population Reports, Series P60-204, The<br />
Changing Shape of the Nation’s <strong>Income</strong> Distribution: 1947–1998 For information on confidentiality protection, sampling error, nonsampling error, <strong>and</strong> definitions,<br />
see www.census.gov/apsd/techdoc/cps/cpsmar10.pdf)<br />
Measures of income<br />
dispersion<br />
1976 13 1975 14 1974 14, 15 1973 1972 16 1971 17 1970 1969 1968 1967 18<br />
MEASURE<br />
Household <strong>Income</strong> at Selected<br />
Percentiles<br />
10th percentile limit <br />
20th percentile limit <br />
50th (median) <br />
80th percentile limit <br />
90th percentile limit <br />
95th percentile limit <br />
11,154<br />
18,526<br />
43,483<br />
75,648<br />
97,002<br />
119,967<br />
11,092<br />
18,124<br />
42,773<br />
73,802<br />
94,609<br />
116,463<br />
11,404<br />
19,065<br />
43,923<br />
75,839<br />
97,791<br />
120,037<br />
11,327<br />
18,973<br />
45,360<br />
77,723<br />
100,325<br />
124,921<br />
10,816<br />
18,570<br />
44,462<br />
75,655<br />
97,205<br />
121,759<br />
10,144<br />
17,946<br />
42,636<br />
71,784<br />
92,091<br />
113,995<br />
9,987<br />
18,180<br />
43,055<br />
72,273<br />
92,060<br />
114,243<br />
10,221<br />
18,491<br />
43,391<br />
71,897<br />
91,226<br />
112,759<br />
9,963<br />
17,954<br />
41,836<br />
68,554<br />
86,449<br />
107,251<br />
9,152<br />
16,845<br />
40,108<br />
66,481<br />
84,449<br />
106,684<br />
Household <strong>Income</strong> Ratios of<br />
Selected Percentiles<br />
90th/10th <br />
95th/20th <br />
95th/50th <br />
80th/50th <br />
80th/20th <br />
20th/50th <br />
870<br />
648<br />
276<br />
174<br />
408<br />
043<br />
853<br />
643<br />
272<br />
173<br />
407<br />
042<br />
858<br />
630<br />
273<br />
173<br />
398<br />
043<br />
886<br />
658<br />
275<br />
171<br />
410<br />
042<br />
899<br />
656<br />
274<br />
170<br />
407<br />
042<br />
908<br />
635<br />
267<br />
168<br />
400<br />
042<br />
922<br />
628<br />
265<br />
168<br />
398<br />
042<br />
893<br />
610<br />
260<br />
166<br />
389<br />
043<br />
868<br />
597<br />
256<br />
164<br />
382<br />
043<br />
923<br />
633<br />
266<br />
166<br />
395<br />
042<br />
Mean Household <strong>Income</strong> of<br />
Quintiles<br />
Lowest quintile <br />
Second quintile <br />
Third quintile <br />
Fourth quintile <br />
Highest quintile <br />
10,804<br />
26,451<br />
43,500<br />
63,171<br />
111,806<br />
10,545<br />
25,903<br />
42,498<br />
61,753<br />
109,028<br />
10,917<br />
27,134<br />
43,727<br />
63,153<br />
111,890<br />
10,956<br />
27,547<br />
45,183<br />
65,002<br />
116,304<br />
10,468<br />
27,039<br />
44,128<br />
63,353<br />
113,735<br />
9,880<br />
26,111<br />
42,338<br />
60,190<br />
106,651<br />
9,820<br />
26,600<br />
42,833<br />
60,377<br />
106,888<br />
9,993<br />
26,979<br />
43,112<br />
60,388<br />
106,138<br />
9,758<br />
26,162<br />
41,496<br />
57,883<br />
100,584<br />
8,984<br />
24,891<br />
39,737<br />
55,599<br />
100,059<br />
Shares of Household <strong>Income</strong> of<br />
Quintiles<br />
Lowest quintile <br />
Second quintile <br />
Third quintile <br />
Fourth quintile <br />
Highest quintile <br />
43<br />
103<br />
170<br />
247<br />
437<br />
43<br />
104<br />
170<br />
247<br />
436<br />
43<br />
106<br />
170<br />
246<br />
435<br />
42<br />
104<br />
170<br />
245<br />
439<br />
41<br />
104<br />
170<br />
245<br />
439<br />
41<br />
106<br />
173<br />
245<br />
435<br />
41<br />
108<br />
174<br />
245<br />
433<br />
41<br />
109<br />
175<br />
245<br />
430<br />
42<br />
111<br />
176<br />
245<br />
426<br />
40<br />
108<br />
173<br />
242<br />
436<br />
Summary Measures<br />
Gini index of income inequality <br />
Mean logarithmic deviation of<br />
income <br />
Theil <br />
Atkinson:<br />
e=025 <br />
e=050 <br />
e=075 <br />
0398<br />
0361<br />
0271<br />
0068<br />
0137<br />
0211<br />
0397<br />
0361<br />
0270<br />
0067<br />
0136<br />
0210<br />
0395<br />
0352<br />
0267<br />
0067<br />
0134<br />
0207<br />
0400<br />
0355<br />
0270<br />
0068<br />
0136<br />
0210<br />
0401<br />
0370<br />
0279<br />
0070<br />
0140<br />
0216<br />
0396<br />
0370<br />
0273<br />
0068<br />
0138<br />
0214<br />
0394<br />
0370<br />
0271<br />
0068<br />
0138<br />
0214<br />
0391<br />
0357<br />
0268<br />
0067<br />
0135<br />
0209<br />
0386<br />
0356<br />
0273<br />
0067<br />
0135<br />
0208<br />
0397<br />
0380<br />
0287<br />
0071<br />
0143<br />
0220<br />
STANDARD ERROR<br />
Household <strong>Income</strong> at Selected<br />
Percentiles<br />
10th percentile limit 120 115 122 121 119 116 121 123 121 117<br />
20th percentile limit 132 134 162 161 159 155 161 164 161 156<br />
50th (median) 161 174 169 173 170 165 158 160 151 146<br />
80th percentile limit 262 313 214 249 295 349 187 199 223 263<br />
90th percentile limit 341 428 353 363 489 262 297 351 464 624<br />
95th percentile limit 691 627 792 568 767 459 567 698 482 453<br />
Household <strong>Income</strong> Ratios of<br />
Selected Percentiles<br />
90th/10th <br />
95th/20th <br />
95th/50th <br />
80th/50th <br />
80th/20th <br />
20th/50th <br />
0099<br />
0059<br />
0020<br />
0010<br />
0032<br />
0004<br />
0097<br />
0059<br />
0019<br />
0010<br />
0035<br />
0004<br />
0096<br />
0068<br />
0022<br />
0009<br />
0036<br />
0004<br />
0100<br />
0063<br />
0018<br />
0010<br />
0037<br />
0004<br />
0109<br />
0070<br />
0021<br />
0010<br />
0038<br />
0004<br />
0107<br />
0060<br />
0016<br />
0011<br />
0040<br />
0004<br />
0115<br />
0064<br />
0017<br />
0008<br />
0037<br />
0004<br />
0113<br />
0066<br />
0020<br />
0008<br />
0036<br />
0004<br />
0115<br />
0060<br />
0016<br />
0009<br />
0036<br />
0004<br />
0136<br />
0065<br />
0016<br />
0010<br />
0040<br />
0004<br />
Mean Household <strong>Income</strong> of<br />
Quintiles<br />
Lowest quintile <br />
Second quintile <br />
Third quintile <br />
Fourth quintile <br />
Highest quintile <br />
45<br />
41<br />
45<br />
58<br />
428<br />
43<br />
40<br />
43<br />
58<br />
431<br />
47<br />
43<br />
43<br />
59<br />
435<br />
47<br />
47<br />
47<br />
60<br />
470<br />
46<br />
46<br />
46<br />
60<br />
495<br />
47<br />
43<br />
43<br />
57<br />
468<br />
49<br />
44<br />
44<br />
59<br />
483<br />
47<br />
47<br />
41<br />
57<br />
491<br />
49<br />
43<br />
43<br />
54<br />
459<br />
45<br />
45<br />
39<br />
51<br />
500<br />
Shares of Household <strong>Income</strong> of<br />
Quintiles<br />
Lowest quintile <br />
Second quintile <br />
Third quintile <br />
Fourth quintile <br />
Highest quintile <br />
004<br />
009<br />
015<br />
021<br />
037<br />
004<br />
009<br />
015<br />
021<br />
038<br />
004<br />
009<br />
015<br />
021<br />
038<br />
004<br />
009<br />
015<br />
022<br />
039<br />
004<br />
009<br />
015<br />
022<br />
039<br />
004<br />
010<br />
016<br />
022<br />
039<br />
004<br />
010<br />
016<br />
023<br />
040<br />
004<br />
010<br />
016<br />
023<br />
040<br />
004<br />
011<br />
017<br />
023<br />
040<br />
004<br />
010<br />
017<br />
023<br />
041<br />
Summary Measures<br />
Gini index of income inequality <br />
Mean logarithmic deviation of<br />
income <br />
Theil <br />
Atkinson:<br />
e=025 <br />
e=050 <br />
00041<br />
00054<br />
00001<br />
00006<br />
00011<br />
00056<br />
00059<br />
00001<br />
00007<br />
00012<br />
00066<br />
00058<br />
00001<br />
00006<br />
00011<br />
00040<br />
00057<br />
00001<br />
00007<br />
00012<br />
00069<br />
00060<br />
00001<br />
00007<br />
00013<br />
00063<br />
00061<br />
00001<br />
00007<br />
00013<br />
00078<br />
00060<br />
00001<br />
00007<br />
00013<br />
00066<br />
00058<br />
00001<br />
00008<br />
00014<br />
00042<br />
00057<br />
00001<br />
00007<br />
00012<br />
00044<br />
00060<br />
00001<br />
00008<br />
00014<br />
e=075 00017 00018 00017 00017 00018 00019 00019 00020 00018 00020<br />
See footnotes on next page<br />
U.S. <strong>Census</strong> <strong>Bureau</strong> <strong>Income</strong>, <strong>Poverty</strong>, <strong>and</strong> <strong>Health</strong> <strong>Insurance</strong> <strong>Coverage</strong> in the United States: 2009 43
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