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 />
1998 1997 1996 1995 5 1994 6 1993 7 1992 8 1991 1990 1989 1988<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 />
12,747<br />
21,179<br />
51,100<br />
98,561<br />
133,123<br />
173,728<br />
12,279<br />
20,520<br />
49,309<br />
95,273<br />
130,133<br />
168,626<br />
12,129<br />
20,103<br />
48,315<br />
92,587<br />
125,306<br />
162,727<br />
12,125<br />
20,124<br />
47,622<br />
91,012<br />
122,561<br />
157,919<br />
11,489<br />
19,215<br />
46,175<br />
89,936<br />
121,482<br />
157,172<br />
11,235<br />
18,954<br />
45,665<br />
88,142<br />
119,482<br />
152,953<br />
11,234<br />
18,873<br />
45,888<br />
86,886<br />
116,159<br />
148,318<br />
11,399<br />
19,338<br />
46,269<br />
87,173<br />
116,544<br />
148,055<br />
11,645<br />
19,886<br />
47,637<br />
87,826<br />
117,886<br />
150,735<br />
12,025<br />
20,203<br />
48,279<br />
89,707<br />
120,178<br />
153,241<br />
11,436<br />
19,830<br />
47,433<br />
88,146<br />
116,731<br />
149,207<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 />
1044<br />
820<br />
340<br />
193<br />
465<br />
041<br />
1060<br />
822<br />
342<br />
193<br />
464<br />
042<br />
1033<br />
810<br />
337<br />
192<br />
461<br />
042<br />
1011<br />
785<br />
332<br />
191<br />
452<br />
042<br />
1057<br />
818<br />
340<br />
195<br />
468<br />
042<br />
1064<br />
807<br />
335<br />
193<br />
465<br />
042<br />
1034<br />
786<br />
323<br />
189<br />
460<br />
041<br />
1022<br />
766<br />
320<br />
188<br />
451<br />
042<br />
1012<br />
758<br />
316<br />
184<br />
442<br />
042<br />
999<br />
759<br />
317<br />
186<br />
444<br />
042<br />
1021<br />
752<br />
315<br />
186<br />
445<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 />
12,120<br />
30,604<br />
51,208<br />
79,198<br />
167,591<br />
11,778<br />
29,445<br />
49,538<br />
76,727<br />
163,581<br />
11,700<br />
28,719<br />
48,306<br />
74,764<br />
157,247<br />
11,662<br />
28,505<br />
47,664<br />
73,270<br />
152,904<br />
11,040<br />
27,513<br />
46,348<br />
72,124<br />
151,625<br />
10,757<br />
27,270<br />
45,711<br />
71,038<br />
148,003<br />
10,868<br />
27,233<br />
45,881<br />
70,431<br />
136,470<br />
11,098<br />
27,875<br />
46,302<br />
70,582<br />
135,349<br />
11,400<br />
28,684<br />
47,379<br />
71,433<br />
138,627<br />
11,681<br />
29,063<br />
48,311<br />
73,076<br />
142,851<br />
11,264<br />
28,428<br />
47,548<br />
71,875<br />
137,218<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 />
36<br />
90<br />
150<br />
232<br />
492<br />
36<br />
89<br />
150<br />
232<br />
494<br />
36<br />
90<br />
151<br />
233<br />
490<br />
37<br />
91<br />
152<br />
233<br />
487<br />
36<br />
89<br />
150<br />
234<br />
491<br />
36<br />
90<br />
151<br />
235<br />
489<br />
38<br />
94<br />
158<br />
242<br />
469<br />
38<br />
96<br />
159<br />
242<br />
465<br />
38<br />
96<br />
159<br />
240<br />
466<br />
38<br />
95<br />
158<br />
240<br />
468<br />
38<br />
96<br />
160<br />
242<br />
463<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 />
0456<br />
0488<br />
0389<br />
0093<br />
0181<br />
0459<br />
0484<br />
0396<br />
0094<br />
0183<br />
0455<br />
0464<br />
0389<br />
0093<br />
0179<br />
0450<br />
0452<br />
0378<br />
0090<br />
0175<br />
0456<br />
0471<br />
0387<br />
0092<br />
0180<br />
0454<br />
0467<br />
0385<br />
0092<br />
0178<br />
0433<br />
0416<br />
0323<br />
0080<br />
0160<br />
0428<br />
0411<br />
0313<br />
0078<br />
0156<br />
0428<br />
0402<br />
0317<br />
0078<br />
0156<br />
0431<br />
0406<br />
0324<br />
0080<br />
0158<br />
0426<br />
0401<br />
0314<br />
0078<br />
0155<br />
e=075 0271 0272 0266 0261 0268 0266 0242 0237 0236 0239 0236<br />
STANDARD ERROR<br />
Household <strong>Income</strong> at Selected<br />
Percentiles<br />
10th percentile limit 87 92 86 86 80 80 80 82 89 89 89<br />
20th percentile limit 129 121 123 113 111 113 113 118 122 126 124<br />
50th (median) 302 228 244 275 210 213 217 223 243 266 232<br />
80th percentile limit 307 422 322 342 293 331 287 316 338 278 309<br />
90th percentile limit 504 538 580 531 537 418 383 418 452 725 474<br />
95th percentile limit 1,007 881 801 939 891 760 750 757 851 818 926<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 />
0082<br />
0069<br />
0024<br />
0010<br />
0032<br />
0003<br />
0091<br />
0065<br />
0022<br />
0011<br />
0034<br />
0003<br />
0087<br />
0063<br />
0022<br />
0011<br />
0032<br />
0003<br />
0084<br />
0064<br />
0023<br />
0010<br />
0031<br />
0003<br />
0087<br />
0066<br />
0024<br />
0010<br />
0031<br />
0003<br />
0085<br />
0063<br />
0022<br />
0011<br />
0033<br />
0003<br />
0081<br />
0062<br />
0021<br />
0010<br />
0032<br />
0003<br />
0082<br />
0061<br />
0021<br />
0011<br />
0032<br />
0003<br />
0087<br />
0063<br />
0022<br />
0010<br />
0032<br />
0003<br />
0095<br />
0062<br />
0021<br />
0009<br />
0031<br />
0003<br />
0089<br />
0066<br />
0023<br />
0010<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 />
43<br />
41<br />
50<br />
75<br />
949<br />
43<br />
39<br />
48<br />
72<br />
974<br />
39<br />
38<br />
48<br />
69<br />
947<br />
41<br />
38<br />
46<br />
70<br />
892<br />
40<br />
37<br />
46<br />
72<br />
894<br />
39<br />
38<br />
45<br />
70<br />
895<br />
39<br />
39<br />
45<br />
66<br />
496<br />
40<br />
38<br />
45<br />
66<br />
473<br />
41<br />
40<br />
45<br />
67<br />
522<br />
42<br />
40<br />
47<br />
68<br />
576<br />
42<br />
40<br />
47<br />
66<br />
523<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 />
006<br />
011<br />
017<br />
035<br />
003<br />
006<br />
011<br />
017<br />
035<br />
003<br />
007<br />
011<br />
017<br />
035<br />
003<br />
007<br />
011<br />
017<br />
035<br />
003<br />
007<br />
011<br />
017<br />
036<br />
003<br />
007<br />
011<br />
017<br />
036<br />
003<br />
007<br />
012<br />
018<br />
035<br />
003<br />
007<br />
012<br />
018<br />
034<br />
003<br />
007<br />
012<br />
018<br />
035<br />
003<br />
007<br />
012<br />
018<br />
035<br />
003<br />
007<br />
012<br />
018<br />
035<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 />
00042<br />
00069<br />
00002<br />
00015<br />
00023<br />
00043<br />
00067<br />
00002<br />
00016<br />
00025<br />
00043<br />
00064<br />
00002<br />
00016<br />
00024<br />
00043<br />
00063<br />
00002<br />
00015<br />
00024<br />
00042<br />
00061<br />
00002<br />
00015<br />
00023<br />
00042<br />
00061<br />
00002<br />
00015<br />
00024<br />
00038<br />
00055<br />
00001<br />
00007<br />
00013<br />
00038<br />
00056<br />
00001<br />
00007<br />
00012<br />
00039<br />
00053<br />
00001<br />
00007<br />
00013<br />
00040<br />
00053<br />
00001<br />
00008<br />
00014<br />
00041<br />
00055<br />
00001<br />
00008<br />
00014<br />
e=075 <br />
See footnotes at end of table<br />
00029 00030 00030 00029 00028 00029 00019 00018 00018 00019 00020<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 41
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