Archive Data & Statistics Sexually Transmitted Diseases

Table 35. Primary and Secondary Syphilis - 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This web page is archived for historical purposes and is no longer being updated.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	0	1	0	0.0	0.0	0.0
	5- 9	2	0	2	0	0.0	0.0	0.0
	10-14	27	8	19	0	0.1	0.1	0.2
	15-19	903	585	318	0	4.2	5.3	3.0
	20-24	2,397	1,877	520	0	11.4	17.3	5.1
	25-29	2,256	1,851	404	1	10.6	16.9	3.9
	30-34	1,733	1,489	244	0	8.8	15.0	2.5
	35-39	1,809	1,568	241	0	8.6	14.8	2.3
	40-44	1,776	1,573	202	1	8.3	14.6	1.9
	45-54	2,027	1,790	236	1	4.6	8.2	1.0
	55-64	458	412	46	0	1.4	2.5	0.3
	65+	105	97	8	0	0.3	0.6	0.0
	Unknown Age	6	5	1	0
	TOTAL	13,500	11,255	2,242	3	4.4	7.5	1.5
2009	0- 4	1	0	1	0	0.0	0.0	0.0
	5- 9	1	0	1	0	0.0	0.0	0.0
	10-14	19	4	15	0	0.1	0.0	0.2
	15-19	1,005	661	344	0	4.7	6.0	3.3
	20-24	2,812	2,242	570	0	13.1	20.2	5.5
	25-29	2,405	2,027	377	1	11.1	18.2	3.6
	30-34	1,857	1,571	286	0	9.3	15.5	2.9
	35-39	1,612	1,409	203	0	7.8	13.6	2.0
	40-44	1,643	1,476	167	0	7.8	14.1	1.6
	45-54	2,033	1,815	218	0	4.6	8.3	1.0
	55-64	517	475	42	0	1.5	2.8	0.2
	65+	90	83	7	0	0.2	0.5	0.0
	Unknown Age	2	1	1	0
	TOTAL	13,997	11,764	2,232	1	4.6	7.8	1.4
2010	0- 4	1	0	1	0	0.0	0.0	0.0
	5- 9	0	0	0	0	0.0	0.0	0.0
	10-14	18	7	11	0	0.1	0.1	0.1
	15-19	932	617	313	2	4.2	5.5	2.9
	20-24	2,907	2,429	474	4	13.5	22.1	4.5
	25-29	2,455	2,131	322	2	11.6	20.0	3.1
	30-34	1,794	1,597	197	0	9.0	16.0	2.0
	35-39	1,454	1,313	140	1	7.2	13.1	1.4
	40-44	1,553	1,448	104	1	7.4	13.9	1.0
	45-54	2,056	1,877	176	3	4.6	8.5	0.8
	55-64	493	457	36	0	1.4	2.6	0.2
	65+	107	102	5	0	0.3	0.6	0.0
	Unknown Age	4	3	1	0
	TOTAL	13,774	11,981	1,780	13	4.5	7.9	1.1
2011	0- 4	9	5	4	0	0.0	0.0	0.0
	5- 9	1	1	0	0	0.0	0.0	0.0
	10-14	15	6	9	0	0.1	0.1	0.1
	15-19	864	606	258	0	4.0	5.5	2.5
	20-24	2,987	2,582	403	2	13.5	22.8	3.7
	25-29	2,546	2,277	268	1	12.0	21.2	2.5
	30-34	1,846	1,657	187	2	9.0	16.1	1.8
	35-39	1,382	1,265	115	2	7.1	13.0	1.2
	40-44	1,503	1,408	91	4	7.1	13.5	0.9
	45-54	2,123	1,999	120	4	4.7	9.1	0.5
	55-64	554	510	43	1	1.5	2.8	0.2
	65+	138	135	3	0	0.3	0.8	0.0
	Unknown Age	2	2	0	0
	TOTAL	13,970	12,453	1,501	16	4.5	8.1	0.9
2012	0- 4	1	1	0	0	0.0	0.0	0.0
	5- 9	0	0	0	0	0.0	0.0	0.0
	10-14	9	5	4	0	0.0	0.0	0.0
	15-19	880	640	238	2	4.1	5.8	2.3
	20-24	3,280	2,859	418	3	14.8	25.3	3.9
	25-29	2,911	2,641	266	4	13.7	24.5	2.5
	30-34	2,209	2,023	182	4	10.8	19.7	1.8
	35-39	1,563	1,443	120	0	8.0	14.8	1.2
	40-44	1,618	1,544	70	4	7.7	14.8	0.7
	45-54	2,439	2,310	128	1	5.5	10.5	0.6
	55-64	614	586	27	1	1.6	3.2	0.1
	65+	123	121	2	0	0.3	0.7	0.0
	Unknown Age	20	17	3	0
	TOTAL	15,667	14,190	1,458	19	5.0	9.3	0.9

* 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 and 5-9 age groups may include cases due to congenital 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