Table 10. Chlamydia — Reported Cases and Rates of Reported Cases by Age Group and Sex, United States, 2015-2019

Table 10. Chlamydia — Reported Cases and Rates of Reported Cases by Age Group and Sex, United States, 2015-2019
Year Age Group Cases Rates per 100,000 Population*
Total Male Female Unknown Sex Total Male Female
2015 0-4 518 196 322 0 2.6 1.9 3.3
5-9 148 18 130 0 0.7 0.2 1.3
10-14 10,642 1,216 9,394 32 51.6 11.6 93.0
15-19 391,396 82,775 307,937 684 1854.2 766.6 2986.5
20-24 589,963 172,313 416,772 878 2594.5 1476.8 3764.4
25-29 280,429 104,679 175,291 459 1248.5 917.5 1586.0
30-34 123,866 52,019 71,653 194 571.5 477.7 664.3
35-39 59,905 27,180 32,621 104 294.0 267.2 319.8
40-44 30,379 15,210 15,118 51 150.3 151.6 148.4
45-54 28,833 17,011 11,764 58 66.8 79.9 53.7
55-64 7,756 4,901 2,840 15 19.0 24.9 13.4
65+ 1,596 1,043 546 7 3.3 4.9 2.0
Unknown Age 1,227 420 755 52
TOTAL 1,526,658 478,981 1,045,143 2,534 475.0 302.7 640.4
2016 0-4 597 225 368 4 3.0 2.2 3.8
5-9 188 25 161 2 0.9 0.2 1.6
10-14 10,571 1,341 9,206 24 51.3 12.7 91.2
15-19 407,230 89,899 316,639 692 1927.3 832.3 3065.8
20-24 601,173 181,857 418,388 928 2686.1 1582.6 3842.0
25-29 298,176 114,484 183,222 470 1302.6 984.3 1627.3
30-34 133,062 58,583 74,226 253 610.8 534.1 686.1
35-39 66,669 31,671 34,872 126 320.9 305.2 335.4
40-44 32,548 16,784 15,705 59 165.2 171.7 158.3
45-54 32,316 19,569 12,683 64 75.5 92.7 58.5
55-64 9,321 5,942 3,354 25 22.5 29.7 15.6
65+ 1,772 1,161 597 14 3.6 5.3 2.2
Unknown Age 4,731 1,329 3,298 104
TOTAL 1,598,354 522,870 1,072,719 2,765 494.7 328.7 653.9
2017 0-4 514 188 323 3 2.6 1.8 3.3
5-9 167 9 158 0 0.8 0.1 1.6
10-14 10,726 1,252 9,454 20 51.6 11.8 92.9
15-19 437,904 99,864 337,290 750 2072.3 924.6 3264.8
20-24 631,207 195,971 434,050 1,186 2853.7 1726.7 4030.4
25-29 321,857 127,007 194,267 583 1377.2 1067.1 1694.0
30-34 144,451 65,690 78,502 259 657.4 592.4 721.3
35-39 74,202 36,427 37,621 154 349.5 343.1 354.4
40-44 36,332 19,310 16,940 82 185.0 198.0 171.3
45-54 36,229 22,431 13,713 85 85.5 107.3 63.9
55-64 11,356 7,490 3,840 26 27.0 37.0 17.7
65+ 2,178 1,461 698 19 4.3 6.5 2.5
Unknown Age 1,446 544 795 107
TOTAL 1,708,569 577,644 1,127,651 3,274 524.6 360.1 682.1
2018 0-4 496 186 300 10 2.5 1.8 3.1
5-9 144 19 125 0 0.7 0.2 1.3
10-14 10,905 1,438 9,450 17 52.2 13.5 92.5
15-19 446,008 103,582 341,635 791 2114.1 961.3 3309.7
20-24 641,269 202,528 437,732 1,009 2931.7 1808.0 4101.7
25-29 333,561 135,059 197,966 536 1415.7 1123.7 1715.0
30-34 154,132 72,222 81,645 265 696.3 645.3 746.0
35-39 78,094 39,320 38,635 139 362.2 364.4 358.6
40-44 38,657 21,111 17,462 84 196.1 215.5 176.1
45-54 38,323 24,067 14,173 83 92.1 117.2 67.2
55-64 12,536 8,474 4,029 33 29.7 41.5 18.4
65+ 2,331 1,676 640 15 4.4 7.2 2.2
Unknown Age 2,212 765 1,271 176
TOTAL 1,758,668 610,447 1,145,063 3,158 537.5 378.9 689.6
2019 0-4 523 201 320 2 2.6 2.0 3.3
5-9 182 32 146 4 0.9 0.3 1.5
10-14 11,561 1,432 10,094 35 55.4 13.4 98.8
15-19 453,927 108,724 344,130 1,073 2151.6 1009.0 3333.8
20-24 649,450 209,635 438,567 1,248 2969.1 1871.5 4109.5
25-29 340,542 140,281 199,581 680 1445.3 1167.2 1729.0
30-34 163,671 78,579 84,726 366 739.4 702.1 774.2
35-39 84,687 43,605 40,897 185 392.7 404.1 379.6
40-44 43,005 23,715 19,185 105 218.1 242.1 193.5
45-54 40,480 25,150 15,256 74 97.2 122.4 72.3
55-64 13,984 9,567 4,378 39 33.1 46.9 20.0
65+ 2,783 2,036 736 11 5.3 8.7 2.5
Unknown Age 3,908 1,380 2,454 74
TOTAL 1,808,703 644,337 1,160,470 3,896 552.8 399.9 698.9
 

* No population data are available for unknown sex and age; therefore, rates are not calculated.

NOTE: Cases in the 0–4 age group may include cases due to perinatal transmission.

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