Table 10. Chlamydia — Reported Cases and Rates of Reported Cases by Age Group and Sex, United States, 2012–2016

Year Age Group Cases Rates per 100,000 Population*
Total Male Female Unknown Sex Total Male Female
2012 0- 4 774 272 495 7 3.9 2.7 5.1
5- 9 151 17 134 0 0.7 0.2 1.3
10-14 14,355 1,655 12,673 27 69.5 15.7 125.5
15-19 433,239 86,150 346,430 659 2,028.2 785.8 3,331.7
20-24 554,173 152,772 400,629 772 2,453.9 1,322.8 3,630.9
25-29 224,014 77,666 146,037 311 1,046.9 716.2 1,383.8
30-34 97,736 38,011 59,594 131 467.4 362.2 572.1
35-39 43,660 18,274 25,313 73 224.0 188.1 259.0
40-44 23,882 11,596 12,245 41 113.6 110.9 115.9
45-54 20,321 11,332 8,961 28 45.9 52.0 39.9
55-64 4,950 2,783 2,161 6 12.8 15.0 10.8
65+ 1,134 602 525 7 2.6 3.2 2.2
Unknown Age 4,587 1,427 3,075 85      
TOTAL 1,422,976 402,557 1,018,272 2,147 453.3 260.6 638.7
2013 0- 4 681 266 402 13 3.4 2.6 4.1
5- 9 145 20 123 2 0.7 0.2 1.2
10-14 12,585 1,554 11,001 30 60.9 14.7 108.9
15-19 395,612 78,404 316,438 770 1,869.7 722.9 3,068.4
20-24 553,658 153,102 399,545 1,011 2,428.8 1,310.9 3,594.2
25-29 233,429 82,190 150,733 506 1,081.7 749.9 1,419.3
30-34 103,675 41,017 62,414 244 487.6 384.0 589.8
35-39 46,991 20,157 26,720 114 239.7 206.0 272.1
40-44 24,774 12,200 12,501 73 118.8 117.8 119.2
45-54 21,511 12,180 9,299 32 49.1 56.5 41.9
55-64 5,424 3,154 2,259 11 13.8 16.6 11.1
65+ 1,377 750 616 11 3.1 3.8 2.5
Unknown Age 2,044 658 1,297 89      
TOTAL 1,401,906 405,652 993,348 2,906 443.5 260.6 619.0
2014 0- 4 603 200 388 15 3.0 2.0 4.0
5- 9 181 26 152 3 0.9 0.2 1.5
10-14 11,406 1,342 10,041 23 55.2 12.7 99.2
15-19 381,717 77,908 303,294 515 1,811.9 722.4 2,949.3
20-24 566,385 159,804 405,876 705 2,472.0 1,361.3 3,632.7
25-29 253,825 91,729 161,793 303 1,154.4 821.8 1,494.4
30-34 113,208 45,990 67,060 158 525.9 425.5 625.6
35-39 52,536 22,894 29,545 97 263.7 230.3 296.0
40-44 27,426 13,711 13,662 53 133.2 134.2 131.7
45-54 24,773 14,318 10,424 31 57.0 66.8 47.3
55-64 6,527 3,911 2,603 13 16.3 20.2 12.5
65+ 1,449 871 570 8 3.1 4.3 2.2
Unknown Age 1,753 621 1,033 99      
TOTAL 1,441,789 433,325 1,006,441 2,023 452.2 276.1 621.6
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 1,854.2 766.6 2,986.5
20-24 589,963 172,313 416,772 878 2,594.5 1,476.8 3,764.4
25-29 280,429 104,679 175,291 459 1,248.5 917.5 1,586.0
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 91.1
15-19 407,230 89,899 316,639 692 1,929.2 832.6 3,070.9
20-24 601,173 181,857 418,388 928 2,643.8 1,558.6 3,779.0
25-29 298,176 114,484 183,222 470 1,327.5 1,003.4 1,657.8
30-34 133,062 58,583 74,226 253 613.9 538.0 688.2
35-39 66,669 31,671 34,872 126 327.2 311.3 341.8
40-44 32,548 16,784 15,705 59 161.0 167.3 154.2
45-54 32,316 19,569 12,683 64 74.8 91.9 57.9
55-64 9,321 5,942 3,354 25 22.8 30.1 15.8
65+ 1,772 1,161 597 14 3.7 5.5 2.2
Unknown Age 4,731 1,329 3,298 104      
TOTAL 1,598,354 522,870 1,072,719 2,765 497.3 330.5 657.3

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

NOTE: This table should be used only for age comparisons.

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