8-Aug-08 Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates, by Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State, Tax Year 2006 State United States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvanisa Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Footnotes at end of table. Total 133,208,934 1,929,941 322,369 2,454,951 1,134,956 15,000,111 2,115,210 1,648,263 397,576 271,557 8,194,289 3,916,272 603,680 611,050 5,729,957 2,856,694 1,329,133 1,226,297 1,759,763 1,764,283 610,490 2,594,048 3,026,158 4,409,704 2,422,520 1,153,502 2,571,521 443,196 797,246 1,135,394 639,926 4,042,899 835,910 8,531,426 3,847,919 302,894 5,342,009 1,469,629 1,610,413 5,825,896 489,743 1,878,364 363,280 2,641,095 9,717,385 1,031,450 305,929 3,467,708 2,884,699 750,697 2,627,174 248,659 Top 1 percent 1,332,089 19,299 3,224 24,550 11,350 150,001 21,152 16,483 3,976 2,716 81,943 39,163 6,037 6,111 57,300 28,567 13,291 12,263 17,598 17,643 6,105 25,940 30,262 44,097 24,225 11,535 25,715 4,432 7,972 11,354 6,399 40,429 8,359 85,314 38,479 3,029 53,420 14,696 16,104 58,259 4,897 18,784 3,633 26,411 97,174 10,315 3,059 34,677 28,847 7,507 26,272 2,487 Number of returns [1] Descending cumulative percentiles Top Top Top 5 percent 10 percent 25 percent 6,660,447 96,497 16,118 122,748 56,748 750,006 105,761 82,413 19,879 13,578 409,714 195,814 30,184 30,553 286,498 142,835 66,457 61,315 87,988 88,214 30,525 129,702 151,308 220,485 121,126 57,675 128,576 22,160 39,862 56,770 31,996 202,145 41,796 426,571 192,396 15,145 267,100 73,481 80,521 291,295 24,487 93,918 18,164 132,055 485,869 51,573 15,296 173,385 144,235 37,535 131,359 12,433 13,320,893 192,994 32,237 245,495 113,496 1,500,011 211,521 164,826 39,758 27,156 819,429 391,627 60,368 61,105 572,996 285,669 132,913 122,630 175,976 176,428 61,049 259,405 302,616 440,970 242,252 115,350 257,152 44,320 79,725 113,539 63,993 404,290 83,591 853,143 384,792 30,289 534,201 146,963 161,041 582,590 48,974 187,836 36,328 264,110 971,739 103,145 30,593 346,771 288,470 75,070 262,717 24,866 33,302,234 482,485 80,592 613,738 283,739 3,750,028 528,803 412,066 99,394 67,889 2,048,572 979,068 150,920 152,763 1,432,489 714,174 332,283 306,574 439,941 441,071 152,623 648,512 756,540 1,102,426 605,630 288,376 642,880 110,799 199,312 283,849 159,982 1,010,725 208,978 2,132,857 961,980 75,724 1,335,502 367,407 402,603 1,456,474 122,436 469,591 90,820 660,274 2,429,346 257,863 76,482 866,927 721,175 187,674 656,794 62,165 Top 50 percent 66,604,467 964,971 161,185 1,227,476 567,478 7,500,056 1,057,605 824,132 198,788 135,779 4,097,145 1,958,136 301,840 305,525 2,864,979 1,428,347 664,567 613,149 879,882 882,142 305,245 1,297,024 1,513,079 2,204,852 1,211,260 576,751 1,285,761 221,598 398,623 567,697 319,963 2,021,450 417,955 4,265,713 1,923,960 151,447 2,671,005 734,815 805,207 2,912,948 244,872 939,182 181,640 1,320,548 4,858,693 515,725 152,965 1,733,854 1,442,350 375,349 1,313,587 124,330 Page 1 of 7 Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates, by Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State, Tax Year 2006--continued State United States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvanisa Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Footnotes at end of table. Adjusted gross income floor on percentiles Descending cumulative percentiles Top Top Top Top 1 percent 5 percent 10 percent 25 percent Total N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A N/A 392,645 305,286 311,459 383,732 267,469 469,003 420,012 671,706 354,213 637,407 454,554 370,333 314,316 330,279 427,938 278,841 273,750 332,255 271,174 322,864 284,606 421,521 501,449 296,386 373,812 249,052 305,597 301,942 292,678 435,517 364,772 528,387 281,212 517,780 341,627 268,564 286,193 311,677 340,636 345,357 345,265 310,190 306,796 325,642 390,773 349,948 309,069 402,382 399,998 225,697 308,832 421,764 153,869 128,880 145,673 151,204 118,505 179,365 168,263 209,398 152,703 208,371 151,012 148,868 138,405 131,056 161,103 126,760 125,242 139,268 121,817 129,318 124,084 179,798 187,366 138,489 153,050 112,960 131,289 121,326 127,316 148,280 159,001 200,184 128,931 169,848 141,715 117,641 125,996 126,003 143,938 143,299 149,198 130,566 120,747 130,493 151,026 137,689 135,030 177,931 161,683 111,231 132,899 140,283 109,441 95,420 110,829 108,053 88,135 124,969 119,683 140,060 113,216 133,623 103,540 105,615 103,371 95,211 114,346 96,945 95,529 102,757 92,201 95,287 92,742 131,181 130,937 104,635 111,407 84,929 97,634 90,044 96,090 105,984 116,855 140,258 94,405 117,077 101,838 90,432 94,847 93,388 104,426 104,132 110,098 95,858 89,665 94,543 106,447 101,473 98,717 127,431 116,924 86,425 100,901 104,506 65,084 56,567 69,101 64,509 53,015 70,993 72,137 81,887 70,044 69,590 58,889 60,681 63,599 59,286 68,777 61,684 62,440 63,696 57,401 55,634 58,651 78,701 77,122 65,599 70,526 49,281 60,353 55,591 61,116 64,276 73,406 81,867 55,140 67,309 60,514 59,109 59,417 56,756 64,332 63,895 66,879 56,701 57,329 56,722 60,444 63,884 61,507 75,087 72,604 55,141 65,828 68,267 Top 50 percent 32,261 27,477 34,108 33,222 26,699 34,871 36,783 40,815 35,526 36,787 29,388 29,380 32,834 30,813 34,108 30,972 32,799 31,847 28,798 26,230 30,408 39,798 38,534 31,795 36,373 24,464 30,138 27,381 31,315 34,115 37,331 39,732 27,064 33,065 29,978 29,787 31,522 28,545 32,815 32,017 33,360 28,029 29,257 28,656 29,108 33,338 31,290 37,269 37,626 27,616 33,740 35,376 Page 2 of 7 Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates, by Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State, Tax Year 2006--continued State United States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvanisa Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Footnotes at end of table. Total 7,840,680 95,067 17,458 146,307 50,684 1,027,027 138,388 140,466 23,903 20,765 504,050 214,175 32,365 32,024 358,889 141,342 66,310 65,868 82,415 87,044 29,437 177,135 220,225 230,080 144,809 48,739 130,313 20,598 40,992 76,172 39,962 298,218 39,020 597,733 202,344 14,287 264,112 74,448 87,937 319,095 27,814 91,821 17,882 133,357 558,421 57,281 15,840 225,809 184,503 31,905 141,061 17,055 Adjusted gross income (millions of dollars) Descending cumulative percentiles Top Top Top Top 1 percent 5 percent 10 percent 25 percent 1,655,057 17,272 2,436 30,046 7,814 236,988 28,324 39,492 4,337 5,289 137,810 40,918 5,213 6,098 76,681 21,468 9,301 11,342 12,397 16,992 4,379 31,981 50,461 34,476 25,208 7,773 22,066 3,355 7,266 21,750 7,323 59,420 6,073 171,583 34,366 2,131 40,877 15,162 14,358 57,661 4,771 15,403 3,387 25,369 126,820 10,668 2,670 39,496 35,327 3,848 23,219 5,232 2,814,656 30,948 4,915 51,228 15,125 392,669 48,546 61,475 7,658 8,793 213,740 73,873 9,765 10,645 130,265 40,807 18,228 20,783 23,968 29,797 8,529 57,570 83,705 66,821 46,108 14,746 40,553 6,416 12,792 31,784 12,887 106,586 11,891 260,248 64,936 4,079 77,664 25,549 27,275 104,381 8,786 29,011 5,881 44,909 211,149 18,737 4,948 73,021 61,558 8,171 42,261 7,329 3,657,318 41,494 6,940 66,680 20,850 503,406 63,329 75,290 10,241 11,028 264,036 98,069 13,326 13,999 168,505 56,443 25,395 28,014 33,172 39,447 11,752 77,253 107,028 93,043 61,686 20,338 54,905 8,695 17,135 38,783 17,189 139,949 16,441 319,420 87,699 5,619 106,427 33,404 36,995 139,443 11,883 39,365 7,738 59,343 271,833 24,737 6,684 98,827 81,093 11,812 57,244 8,806 5,310,596 62,734 11,154 97,118 32,428 712,799 92,453 101,292 15,513 14,860 359,119 144,811 20,625 20,824 243,901 89,401 40,693 42,793 52,281 58,678 18,454 116,337 152,012 147,543 93,552 31,514 84,318 13,373 26,245 52,681 25,981 204,000 25,454 431,635 132,710 8,927 166,280 49,350 56,605 210,125 18,143 60,082 11,618 88,140 388,112 37,069 10,238 149,007 120,476 19,543 89,149 11,928 Top 50 percent 6,845,612 82,013 15,156 125,743 43,209 901,965 120,145 125,611 20,557 18,287 444,871 186,670 27,594 27,473 314,798 121,259 56,043 56,895 70,471 75,785 25,012 153,168 193,900 199,326 124,917 41,580 112,249 17,788 35,127 66,111 34,550 262,713 33,619 533,690 174,107 12,172 224,723 64,339 75,462 277,312 24,029 78,909 15,399 115,049 490,980 49,222 13,648 195,743 158,863 27,040 120,882 15,071 Page 3 of 7 Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates, by Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State, Tax Year 2006--continued State United States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvanisa Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Footnotes at end of table. Total 999,506 10,691 2,188 17,612 5,369 134,693 17,848 22,725 2,963 3,199 69,254 25,447 3,665 3,432 48,119 15,659 7,044 7,756 8,672 10,452 3,070 22,718 31,281 26,172 17,647 4,825 14,852 2,153 4,591 10,140 5,131 42,732 4,355 87,724 22,808 1,557 29,740 8,891 9,799 39,321 3,411 9,862 2,136 16,068 75,124 6,112 1,762 28,825 23,688 3,213 16,278 2,505 Top 1 percent 394,066 4,012 603 6,824 1,914 54,972 6,509 10,309 1,003 1,219 33,068 9,534 1,183 1,333 18,837 5,052 2,175 2,729 2,840 4,193 949 7,661 11,733 8,158 6,075 1,734 5,237 717 1,733 5,050 1,754 14,794 1,444 40,946 7,882 501 9,569 3,755 3,208 13,893 1,144 3,430 895 6,330 31,955 2,423 554 9,302 8,309 889 5,753 1,289 Total income tax (millions of dollars) [2] Descending cumulative percentiles Top Top Top 5 percent 10 percent 25 percent 597,863 6,183 1,039 10,390 3,009 83,382 10,176 15,026 1,573 1,936 46,845 15,104 1,896 2,035 28,765 8,080 3,538 4,302 4,584 6,329 1,570 12,322 18,307 13,350 9,671 2,748 8,181 1,182 2,582 6,751 2,752 24,492 2,368 58,437 12,852 807 15,361 5,430 5,284 21,920 1,826 5,518 1,295 9,597 47,535 3,663 914 15,342 12,979 1,522 8,750 1,668 704,190 7,411 1,320 12,301 3,632 97,539 12,165 17,080 1,911 2,284 53,224 18,046 2,310 2,394 33,868 9,908 4,339 5,181 5,582 7,489 1,916 14,928 21,625 16,534 11,592 3,328 9,846 1,426 3,056 7,599 3,331 29,373 2,912 66,396 15,519 980 18,618 6,335 6,403 26,268 2,212 6,665 1,500 11,321 55,684 4,288 1,116 18,834 15,613 1,925 10,447 1,865 860,395 9,275 1,767 15,085 4,600 117,544 15,055 19,930 2,435 2,780 62,086 22,230 2,971 2,932 41,327 12,854 5,640 6,516 7,198 9,207 2,478 18,871 26,413 21,582 14,498 4,220 12,447 1,807 3,814 8,866 4,205 36,351 3,730 77,832 19,460 1,263 24,092 7,721 8,112 32,893 2,808 8,417 1,816 13,889 66,981 5,201 1,433 23,996 19,627 2,606 13,212 2,179 Top 50 percent 968,461 10,415 2,094 16,981 5,207 130,791 17,139 22,041 2,836 3,100 67,655 24,795 3,483 3,300 46,668 15,031 6,673 7,465 8,344 10,231 2,915 21,766 30,064 25,223 16,828 4,713 14,306 2,072 4,390 9,787 4,884 41,320 4,227 85,679 22,070 1,482 28,350 8,628 9,379 37,858 3,268 9,554 2,055 15,594 73,544 5,857 1,678 27,667 22,632 3,083 15,506 2,425 Page 4 of 7 Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates, by Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State, Tax Year 2006--continued State United States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvanisa Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Footnotes at end of table. Total 12.75 11.25 12.53 12.04 10.59 13.11 12.90 16.18 12.40 15.41 13.74 11.88 11.32 10.72 13.41 11.08 10.62 11.78 10.52 12.01 10.43 12.83 14.20 11.38 12.19 9.90 11.40 10.45 11.20 13.31 12.84 14.33 11.16 14.68 11.27 10.90 11.26 11.94 11.14 12.32 12.26 10.74 11.94 12.05 13.45 10.67 11.12 12.77 12.84 10.07 11.54 14.69 Top 1 percent 23.81 23.23 24.75 22.71 24.49 23.20 22.98 26.10 23.13 23.05 24.00 23.30 22.69 21.86 24.57 23.53 23.38 24.06 22.91 24.68 21.67 23.95 23.25 23.66 24.10 22.31 23.73 21.37 23.85 23.22 23.95 24.90 23.78 23.86 22.94 23.51 23.41 24.77 22.34 24.09 23.98 22.27 26.42 24.95 25.20 22.71 20.75 23.55 23.52 23.10 24.78 24.64 Average tax rate (percentage) [3] Descending cumulative percentiles Top Top Top 5 percent 10 percent 25 percent 21.24 19.98 21.14 20.28 19.89 21.23 20.96 24.44 20.54 22.02 21.92 20.45 19.42 19.12 22.08 19.80 19.41 20.70 19.13 21.24 18.41 21.40 21.87 19.98 20.97 18.64 20.17 18.42 20.18 21.24 21.35 22.98 19.91 22.45 19.79 19.78 19.78 21.25 19.37 21.00 20.78 19.02 22.02 21.37 22.51 19.55 18.47 21.01 21.08 18.63 20.70 22.76 19.25 17.86 19.02 18.45 17.42 19.38 19.21 22.69 18.66 20.71 20.16 18.40 17.33 17.10 20.10 17.55 17.09 18.49 16.83 18.98 16.30 19.32 20.20 17.77 18.79 16.36 17.93 16.40 17.83 19.59 19.38 20.99 17.71 20.79 17.70 17.44 17.49 18.96 17.31 18.84 18.61 16.93 19.38 19.08 20.48 17.33 16.70 19.06 19.25 16.30 18.25 21.18 16.20 14.78 15.84 15.53 14.19 16.49 16.28 19.68 15.70 18.71 17.29 15.35 14.40 14.08 16.94 14.38 13.86 15.23 13.77 15.69 13.43 16.22 17.38 14.63 15.50 13.39 14.76 13.51 14.53 16.83 16.18 17.82 14.65 18.03 14.66 14.15 14.49 15.65 14.33 15.65 15.48 14.01 15.63 15.76 17.26 14.03 14.00 16.10 16.29 13.33 14.82 18.27 Top 50 percent 14.15 12.70 13.82 13.50 12.05 14.50 14.27 17.55 13.80 16.95 15.21 13.28 12.62 12.01 14.82 12.40 11.91 13.12 11.84 13.50 11.65 14.21 15.50 12.65 13.47 11.33 12.74 11.65 12.50 14.80 14.14 15.73 12.57 16.05 12.68 12.18 12.62 13.41 12.43 13.65 13.60 12.11 13.35 13.55 14.98 11.90 12.29 14.13 14.25 11.40 12.83 16.09 Page 5 of 7 Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates, by Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State, Tax Year 2006--continued State United States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvanisa Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Footnotes at end of table. Total 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 Adjusted gross income share (percentage) Descending cumulative percentiles Top Top Top Top 1 percent 5 percent 10 percent 25 percent 21.11 18.17 13.95 20.54 15.42 23.08 20.47 28.11 18.14 25.47 27.34 19.10 16.11 19.04 21.37 15.19 14.03 17.22 15.04 19.52 14.88 18.05 22.91 14.98 17.41 15.95 16.93 16.29 17.73 28.55 18.32 19.93 15.56 28.71 16.98 14.92 15.48 20.37 16.33 18.07 17.15 16.78 18.94 19.02 22.71 18.62 16.86 17.49 19.15 12.06 16.46 30.68 35.90 32.55 28.15 35.01 29.84 38.23 35.08 43.77 32.04 42.35 42.40 34.49 30.17 33.24 36.30 28.87 27.49 31.55 29.08 34.23 28.97 32.50 38.01 29.04 31.84 30.26 31.12 31.15 31.21 41.73 32.25 35.74 30.47 43.54 32.09 28.55 29.41 34.32 31.02 32.71 31.59 31.60 32.89 33.68 37.81 32.71 31.24 32.34 33.36 25.61 29.96 42.97 46.65 43.65 39.75 45.58 41.14 49.02 45.76 53.60 42.84 53.11 52.38 45.79 41.17 43.71 46.95 39.93 38.30 42.53 40.25 45.32 39.92 43.61 48.60 40.44 42.60 41.73 42.13 42.21 41.80 50.92 43.01 46.93 42.13 53.44 43.34 39.33 40.30 44.87 42.07 43.70 42.72 42.87 43.27 44.50 48.68 43.19 42.20 43.77 43.95 37.02 40.58 51.63 67.73 65.99 63.89 66.38 63.98 69.40 66.81 72.11 64.90 71.56 71.25 67.61 63.73 65.03 67.96 63.25 61.37 64.97 63.44 67.41 62.69 65.68 69.03 64.13 64.60 64.66 64.70 64.92 64.02 69.16 65.01 68.41 65.23 72.21 65.59 62.48 62.96 66.29 64.37 65.85 65.23 65.43 64.97 66.09 69.50 64.71 64.63 65.99 65.30 61.25 63.20 69.94 Top 50 percent 87.31 86.27 86.81 85.94 85.25 87.82 86.82 89.42 86.00 88.07 88.26 87.16 85.26 85.79 87.71 85.79 84.52 86.38 85.51 87.07 84.97 86.47 88.05 86.63 86.26 85.31 86.14 86.36 85.69 86.79 86.46 88.09 86.16 89.29 86.05 85.20 85.09 86.42 85.81 86.91 86.39 85.94 86.11 86.27 87.92 85.93 86.16 86.69 86.10 84.75 85.69 88.37 Page 6 of 7 Returns with Positive Adjusted Gross Income (AGI): Number of Returns, Shares of AGI and Total Income Tax, AGI Floor on Percentiles, and Average Tax Rates, by Selected Descending Cumulative Percentiles of Returns Based on Income Size Using the Definition of AGI, by State, Tax Year 2006--continued State United States Alabama Alaska Arizona Arkansas California Colorado Connecticut Delaware District of Columbia Florida Georgia Hawaii Idaho Illinois Indiana Iowa Kansas Kentucky Louisiana Maine Maryland Massachusetts Michigan Minnesota Mississippi Missouri Montana Nebraska Nevada New Hampshire New Jersey New Mexico New York North Carolina North Dakota Ohio Oklahoma Oregon Pennsylvanisa Rhode Island South Carolina South Dakota Tennessee Texas Utah Vermont Virginia Washington West Virginia Wisconsin Wyoming Total 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 100.00 Top 1 percent 39.43 37.53 27.56 38.75 35.65 40.81 36.47 45.36 33.85 38.11 47.75 37.47 32.28 38.84 39.15 32.26 30.88 35.19 32.75 40.12 30.91 33.72 37.51 31.17 34.43 35.94 35.26 33.30 37.75 49.80 34.18 34.62 33.16 46.68 34.56 32.18 32.18 42.23 32.74 35.33 33.54 34.78 41.90 39.40 42.54 39.64 31.44 32.27 35.08 27.67 35.34 51.46 Total income tax share (percentage) Descending cumulative percentiles Top Top Top 5 percent 10 percent 25 percent 59.82 57.83 47.49 58.99 56.04 61.91 57.01 66.12 53.09 60.52 67.64 59.35 51.73 59.29 59.78 51.60 50.23 55.47 52.86 60.55 51.14 54.24 58.52 51.01 54.80 56.95 55.08 54.90 56.24 66.58 53.63 57.32 54.37 66.61 56.35 51.83 51.65 61.07 53.92 55.75 53.53 55.95 60.63 59.73 63.28 59.93 51.87 53.22 54.79 47.37 53.75 66.59 70.45 69.32 60.33 69.84 67.65 72.42 68.16 75.16 64.50 71.40 76.85 70.92 63.03 69.76 70.38 63.27 61.60 66.80 64.37 71.65 62.41 65.71 69.13 63.17 65.69 68.97 66.29 66.23 66.57 74.94 64.92 68.74 66.87 75.69 68.04 62.94 62.60 71.25 65.34 66.80 64.85 67.58 70.22 70.46 74.12 70.16 63.34 65.34 65.91 59.91 64.18 74.45 Top 50 percent 86.08 86.76 80.76 85.65 85.68 87.27 84.35 87.70 82.18 86.90 89.65 87.36 81.06 85.43 85.88 82.09 80.07 84.01 83.00 88.09 80.72 83.07 84.44 82.46 82.16 87.46 83.81 83.93 83.08 87.44 81.95 85.07 85.65 88.72 85.32 81.12 81.01 86.84 82.78 83.65 82.32 85.35 85.02 86.44 89.16 85.09 81.33 83.25 82.86 81.11 81.16 86.99 N/A-- Not applicable. [1] The number of returns with negative adjusted gross income, i.e., returns with an adjusted gross deficit, and the corresponding amounts for adjusted gross deficit, were excluded from the table. By excluding deficit returns, alternative minimum tax reported on some of these returns was also excluded. [2] Total income tax is income tax after credits (includes alternative minimum tax) reported on returns that showed a positive amount for adjusted gross income. [3] The average tax rate was computed by dividing total income tax (see footnote 2) by (positive) adjusted gross income. NOTES: (a) The data in the table were compiled from a data file containing all Tax Year 2006 individual income tax returns filed and processed through the IRS Individual Master File system during Calendar Year 2007. Returns for prior years processed during Calendar Year 2007 are not included in this tabulation. Therefore, the data in this tabulation will differ from the state data that are shown in the Spring 2008 issue of the SOI Bulletin and on the IRS website. In the same manner, the data will not match other tables on income shares on the IRS website which were produced from a sample of individual income tax returns filed. (b) Classification by state was based on the address used on the return. Usually this address is the taxpayer’s home address. However, some taxpayers may have used the address of a tax attorney or accountant, or a place of business, and that address could be in a different state than the taxpayer’s home. (c) The United States totals include data from other areas, thus the state's totals will not sum to the US total. Source: Internal Revenue Service, Statistics of Income Division, August 2008 96.89 97.42 95.70 96.42 96.98 97.10 96.03 96.99 95.71 96.91 97.69 97.44 95.03 96.15 96.98 95.99 94.73 96.25 96.22 97.89 94.95 95.81 96.11 96.37 95.36 97.68 96.32 96.24 95.62 96.52 95.19 96.70 97.06 97.67 96.76 95.18 95.33 97.04 95.71 96.28 95.81 96.88 96.21 97.05 97.90 95.83 95.23 95.98 95.54 95.95 95.26 96.81