Table 10. Chlamydia - Reported Cases and Rates of Reported Cases by Age Group and Sex, United States, 2009-2013

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Year	Age Group	Cases				Rates*
Year	Age Group	Total	Male	Female	Unknown Sex	Total	Male	Female
2009	0- 4	1,022	339	676	7	4.8	3.1	6.5
	5- 9	187	33	154	0	0.9	0.3	1.5
	10-14	13,899	1,405	12,447	47	69.6	13.7	127.6
	15-19	429,173	80,725	347,597	851	1,992.6	730.5	3,314.7
	20-24	454,760	120,975	332,946	839	2,111.3	1,090.5	3,187.3
	25-29	190,481	62,437	127,708	336	878.7	561.7	1,209.1
	30-34	77,606	28,344	49,103	159	390.2	280.4	502.0
	35-39	36,286	14,859	21,354	73	176.7	143.5	209.7
	40-44	18,263	8,750	9,467	46	87.0	83.3	90.3
	45-54	15,033	7,818	7,183	32	33.7	35.6	31.8
	55-64	3,365	1,787	1,573	5	9.7	10.6	8.7
	65+	946	472	471	3	2.4	2.8	2.1
	Unknown Age	3,159	839	2,039	281
	TOTAL	1,244,180	328,783	912,718	2,679	405.3	217.1	586.7
2010	0- 4	964	327	619	18	4.8	3.2	6.3
	5- 9	188	26	158	4	0.9	0.3	1.6
	10-14	14,531	1,590	12,860	81	70.3	15.0	127.4
	15-19	441,342	85,570	354,252	1,520	2,002.4	757.0	3,299.5
	20-24	488,996	131,686	355,994	1,316	2,265.3	1,195.6	3,367.4
	25-29	197,525	66,470	130,561	494	936.1	625.0	1,247.4
	30-34	83,408	31,230	51,925	253	417.8	312.4	521.0
	35-39	38,384	15,861	22,421	102	190.2	157.9	221.2
	40-44	19,614	9,594	9,931	89	93.9	92.3	94.6
	45-54	16,106	8,635	7,423	48	35.8	39.0	32.5
	55-64	3,523	1,834	1,674	15	9.7	10.4	8.9
	65+	954	464	481	9	2.4	2.7	2.1
	Unknown Age	2,358	636	1,503	219
	TOTAL	1,307,893	353,923	949,802	4,168	423.6	233.2	605.1
2011	0- 4	747	284	458	5	3.7	2.8	4.6
	5- 9	143	24	118	1	0.7	0.2	1.2
	10-14	15,405	1,743	13,588	74	74.4	16.5	134.3
	15-19	459,029	90,764	366,818	1,447	2,120.8	816.3	3,485.2
	20-24	542,947	147,948	393,534	1,465	2,450.8	1,307.8	3,630.0
	25-29	214,534	73,357	140,628	549	1,008.2	681.7	1,337.0
	30-34	91,787	34,971	56,562	254	447.5	340.1	553.0
	35-39	40,734	16,911	23,711	112	207.9	173.2	241.1
	40-44	21,654	10,460	11,120	74	102.9	100.0	105.2
	45-54	18,136	9,910	8,182	44	40.6	45.0	36.0
	55-64	4,210	2,300	1,903	7	11.1	12.5	9.7
	65+	1,064	569	486	9	2.6	3.2	2.1
	Unknown Age	2,401	729	1,444	228
	TOTAL	1,412,791	389,970	1,018,552	4,269	453.4	254.4	643.4
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	1,852.1	715.2	3,043.3
	20-24	553,658	153,102	399,545	1,011	2,451.6	1,325.6	3,621.1
	25-29	233,429	82,190	150,733	506	1,090.9	757.9	1,428.3
	30-34	103,675	41,017	62,414	244	495.8	390.9	599.2
	35-39	46,991	20,157	26,720	114	241.1	207.5	273.4
	40-44	24,774	12,200	12,501	73	117.8	116.6	118.3
	45-54	21,511	12,180	9,299	32	48.6	55.9	41.4
	55-64	5,424	3,154	2,259	11	14.1	17.0	11.3
	65+	1,377	750	616	11	3.2	4.0	2.5
	Unknown Age	2,044	658	1,297	89
	TOTAL	1,401,906	405,652	993,348	2,906	446.6	262.6	623.1

* 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.

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Page last reviewed: December 16, 2014 (archived document)
Content source:
- Division of STD Prevention, National Center for HIV/AIDS, Viral Hepatitis, STD, and TB Prevention, Centers for Disease Control and Prevention