Archive Data & Statistics Sexually Transmitted Diseases

Table 10. Chlamydia - Reported Cases and Rates per 100,000 Population by Age Group and Sex, United States, 2008-2012

This web page is archived for historical purposes and is no longer being updated. Newer data is available on the STD Data and Statistics page.

Year	Age Group	Cases				Rates*
Year	Age Group	Total	Male	Female	Unknown Sex	Total	Male	Female
2008	0- 4	1,109	409	696	4	5.3	3.8	6.8
	5- 9	240	52	185	3	1.2	0.5	1.9
	10-14	14,297	1,441	12,816	40	71.3	14.0	130.9
	15-19	419,026	76,741	340,975	1,310	1,947.7	695.9	3,251.4
	20-24	437,163	113,948	322,054	1,161	2,075.9	1,050.7	3,153.2
	25-29	188,033	60,629	126,901	503	881.4	554.1	1,221.0
	30-34	74,737	26,740	47,757	240	381.4	268.5	495.5
	35-39	36,537	14,908	21,510	119	174.0	141.1	206.3
	40-44	17,991	8,525	9,398	68	83.7	79.3	87.3
	45-54	14,271	7,386	6,832	53	32.2	33.8	30.3
	55-64	3,064	1,634	1,424	6	9.1	10.1	8.2
	65+	887	427	453	7	2.3	2.6	2.0
	Unknown Age	3,168	939	2,003	226
	TOTAL	1,210,523	313,779	893,004	3,740	398.1	209.3	579.4
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	3.8	2.6	5.0
	5- 9	151	17	134	0	0.7	0.2	1.3
	10-14	14,355	1,655	12,673	27	69.3	15.6	125.3
	15-19	433,239	86,150	346,430	659	2,001.7	774.8	3,291.5
	20-24	554,173	152,772	400,629	772	2,501.5	1,350.4	3,695.5
	25-29	224,014	77,666	146,037	311	1,052.7	721.7	1,388.4
	30-34	97,736	38,011	59,594	131	476.5	369.7	582.7
	35-39	43,660	18,274	25,313	73	222.8	187.2	257.4
	40-44	23,882	11,596	12,245	41	113.5	110.8	115.8
	45-54	20,321	11,332	8,961	28	45.4	51.5	39.5
	55-64	4,950	2,783	2,161	6	13.0	15.2	11.0
	65+	1,134	602	525	7	2.7	3.4	2.2
	Unknown Age	4,587	1,427	3,075	85
	TOTAL	1,422,976	402,557	1,018,272	2,147	456.7	262.6	643.3

* 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.

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Page last reviewed: January 7, 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