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 />
1987 9 1986 1985 10 1984 1983 11 1982 1981 1980 1979 12 1978 1977<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 />
11,265<br />
19,507<br />
47,071<br />
87,353<br />
115,242<br />
146,172<br />
11,170<br />
19,133<br />
46,488<br />
85,859<br />
112,687<br />
143,974<br />
11,210<br />
18,898<br />
44,898<br />
82,843<br />
108,659<br />
136,881<br />
11,202<br />
18,680<br />
44,074<br />
81,365<br />
107,025<br />
134,691<br />
10,760<br />
18,317<br />
42,747<br />
78,998<br />
103,393<br />
129,971<br />
10,801<br />
17,927<br />
43,048<br />
77,683<br />
102,445<br />
128,232<br />
10,998<br />
18,158<br />
43,163<br />
77,619<br />
101,391<br />
124,914<br />
11,153<br />
18,533<br />
43,892<br />
78,019<br />
101,373<br />
125,556<br />
11,303<br />
19,274<br />
45,325<br />
79,851<br />
103,364<br />
129,029<br />
11,523<br />
19,063<br />
45,452<br />
79,317<br />
102,586<br />
126,890<br />
11,291<br />
18,487<br />
43,758<br />
77,380<br />
98,691<br />
122,518<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 />
1023<br />
749<br />
311<br />
186<br />
448<br />
041<br />
1009<br />
753<br />
310<br />
185<br />
449<br />
041<br />
969<br />
724<br />
305<br />
185<br />
438<br />
042<br />
955<br />
721<br />
306<br />
185<br />
436<br />
042<br />
961<br />
710<br />
304<br />
185<br />
431<br />
043<br />
949<br />
715<br />
298<br />
180<br />
433<br />
042<br />
922<br />
688<br />
289<br />
180<br />
428<br />
042<br />
909<br />
678<br />
286<br />
178<br />
421<br />
042<br />
915<br />
669<br />
285<br />
176<br />
414<br />
043<br />
890<br />
666<br />
279<br />
175<br />
416<br />
042<br />
874<br />
663<br />
280<br />
177<br />
419<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 />
11,076<br />
28,148<br />
47,060<br />
71,133<br />
135,278<br />
10,781<br />
27,734<br />
46,410<br />
69,914<br />
132,332<br />
10,672<br />
27,046<br />
44,893<br />
67,528<br />
126,139<br />
10,689<br />
26,624<br />
44,120<br />
66,429<br />
122,148<br />
10,342<br />
25,980<br />
42,954<br />
64,457<br />
118,343<br />
10,223<br />
25,868<br />
42,820<br />
63,683<br />
116,800<br />
10,414<br />
25,942<br />
42,975<br />
64,061<br />
114,432<br />
10,682<br />
26,585<br />
43,870<br />
64,631<br />
115,236<br />
11,031<br />
27,436<br />
45,234<br />
66,381<br />
119,130<br />
11,119<br />
27,306<br />
45,087<br />
66,047<br />
117,917<br />
10,753<br />
26,467<br />
43,781<br />
64,148<br />
114,393<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 />
38<br />
96<br />
161<br />
243<br />
462<br />
38<br />
97<br />
162<br />
243<br />
461<br />
39<br />
98<br />
162<br />
244<br />
456<br />
40<br />
99<br />
163<br />
246<br />
452<br />
40<br />
99<br />
164<br />
246<br />
451<br />
40<br />
100<br />
165<br />
245<br />
450<br />
41<br />
101<br />
167<br />
248<br />
443<br />
42<br />
102<br />
168<br />
247<br />
441<br />
41<br />
102<br />
168<br />
246<br />
442<br />
42<br />
102<br />
168<br />
247<br />
441<br />
42<br />
102<br />
169<br />
247<br />
440<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 />
0426<br />
0414<br />
0311<br />
0077<br />
0155<br />
0425<br />
0416<br />
0310<br />
0077<br />
0155<br />
0419<br />
0403<br />
0300<br />
0075<br />
0151<br />
0415<br />
0391<br />
0290<br />
0073<br />
0147<br />
0414<br />
0397<br />
0288<br />
0072<br />
0147<br />
0412<br />
0401<br />
0287<br />
0072<br />
0146<br />
0406<br />
0387<br />
0277<br />
0070<br />
0141<br />
0403<br />
0375<br />
0274<br />
0069<br />
0140<br />
0404<br />
0369<br />
0279<br />
0070<br />
0141<br />
0402<br />
0363<br />
0275<br />
0069<br />
0139<br />
0402<br />
0364<br />
0276<br />
0069<br />
0139<br />
e=075 0238 0237 0231 0225 0226 0226 0220 0216 0216 0213 0213<br />
STANDARD ERROR<br />
Household <strong>Income</strong> at Selected<br />
Percentiles<br />
10th percentile limit 88 89 86 84 86 86 129 127 126 126 121<br />
20th percentile limit 125 126 124 113 115 115 117 122 131 132 129<br />
50th (median) 222 241 243 201 194 194 226 226 215 184 164<br />
80th percentile limit 299 334 272 289 261 289 231 272 230 294 227<br />
90th percentile limit 417 514 463 368 456 393 380 430 414 340 467<br />
95th percentile limit 681 601 1,142 673 621 739 695 666 713 693 600<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 />
0088<br />
0060<br />
0020<br />
0010<br />
0033<br />
0003<br />
0093<br />
0059<br />
0018<br />
0011<br />
0034<br />
0003<br />
0085<br />
0077<br />
0028<br />
0010<br />
0032<br />
0003<br />
0079<br />
0056<br />
0020<br />
0010<br />
0030<br />
0003<br />
0088<br />
0056<br />
0019<br />
0010<br />
0031<br />
0003<br />
0084<br />
0062<br />
0021<br />
0010<br />
0032<br />
0003<br />
0114<br />
0059<br />
0020<br />
0009<br />
0030<br />
0003<br />
0110<br />
0057<br />
0019<br />
0010<br />
0031<br />
0003<br />
0108<br />
0059<br />
0020<br />
0009<br />
0031<br />
0003<br />
0102<br />
0059<br />
0020<br />
0010<br />
0033<br />
0003<br />
0102<br />
0056<br />
0018<br />
0009<br />
0032<br />
0003<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 />
42<br />
40<br />
47<br />
67<br />
513<br />
41<br />
39<br />
47<br />
65<br />
484<br />
42<br />
38<br />
46<br />
65<br />
441<br />
41<br />
37<br />
45<br />
65<br />
387<br />
41<br />
37<br />
43<br />
61<br />
375<br />
43<br />
38<br />
43<br />
60<br />
376<br />
43<br />
36<br />
45<br />
59<br />
353<br />
42<br />
40<br />
45<br />
59<br />
382<br />
44<br />
41<br />
47<br />
61<br />
424<br />
45<br />
42<br />
48<br />
60<br />
422<br />
45<br />
42<br />
45<br />
61<br />
432<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 />
003<br />
007<br />
012<br />
019<br />
035<br />
003<br />
008<br />
013<br />
019<br />
035<br />
003<br />
008<br />
013<br />
019<br />
035<br />
003<br />
008<br />
013<br />
019<br />
035<br />
003<br />
008<br />
013<br />
019<br />
036<br />
003<br />
008<br />
013<br />
020<br />
036<br />
003<br />
008<br />
013<br />
020<br />
035<br />
003<br />
008<br />
014<br />
020<br />
036<br />
004<br />
008<br />
014<br />
020<br />
036<br />
004<br />
009<br />
014<br />
021<br />
037<br />
004<br />
009<br />
014<br />
021<br />
037<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 />
00038<br />
00055<br />
00001<br />
00007<br />
00013<br />
00038<br />
00057<br />
00001<br />
00007<br />
00012<br />
00037<br />
00056<br />
00001<br />
00006<br />
00011<br />
00037<br />
00055<br />
00001<br />
00006<br />
00011<br />
00037<br />
00056<br />
00001<br />
00006<br />
00011<br />
00038<br />
00057<br />
00001<br />
00006<br />
00011<br />
00038<br />
00056<br />
00001<br />
00006<br />
00011<br />
00036<br />
00051<br />
00001<br />
00006<br />
00010<br />
00038<br />
00050<br />
00001<br />
00006<br />
00011<br />
00039<br />
00054<br />
00001<br />
00006<br />
00011<br />
00039<br />
00054<br />
00001<br />
00006<br />
00011<br />
e=075 00018 00018 00017 00016 00016 00017 00017 00016 00017 00016 00017<br />
See footnotes at end of table<br />
42 <strong>Income</strong>, <strong>Poverty</strong>, <strong>and</strong> <strong>Health</strong> <strong>Insurance</strong> <strong>Coverage</strong> in the United States: 2009 U.S. <strong>Census</strong> <strong>Bureau</strong>
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