Number of Primary & Secondary Syphilis Cases by Sex and Age Michigan Residents, 2001-2024

Number of Primary & Secondary Syphilis Cases
by Sex and Age
Michigan Residents, 2001-2024

Gender and Age	2001	2002	2003	2004	2005	2006	2007	2008	2009	2010	2011	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023	2024
Total	428	486	249	192	105	125	137	216	224	225	274	295	498	428	401	374	480	654	685	783	980	972	845	691
Under 15 Years	-	1	-	1	-	-	-	1	-	-	-	-	-	-	-	-	2	2	1	-	1	-	-	1
15-19 Years	17	34	11	7	-	12	5	23	18	10	14	16	39	24	27	31	39	29	33	28	41	48	32	28
20-24 Years	70	76	26	34	10	18	16	37	43	46	63	93	157	124	80	94	103	128	102	122	168	129	112	82
25-29 Years	73	78	43	27	13	13	15	32	45	46	45	64	101	93	111	94	107	158	165	175	185	166	167	117
30-44 Years	192	192	98	83	48	50	65	72	76	85	102	84	142	128	124	96	138	213	251	279	394	426	380	338
45 Years & Older	76	104	71	40	32	32	36	51	42	38	50	38	59	59	59	59	91	124	133	179	191	203	154	125
Male	267	294	156	131	85	97	107	156	185	205	247	267	468	398	368	342	446	584	589	671	773	766	665	531
Under 15 Years	-	-	-	1	-	-	-	-	-	-	-	-	-	-	-	-	1	-	-	-	-	-	-	1
15-19 Years	8	6	5	4	-	7	4	12	13	7	13	11	34	20	21	24	35	17	27	24	32	36	24	21
20-24 Years	39	41	16	21	6	14	10	28	32	40	57	85	150	113	72	87	91	111	84	103	125	93	77	58
25-29 Years	45	47	24	18	11	12	12	19	41	46	36	58	96	90	104	84	102	150	144	146	138	119	138	86
30-44 Years	120	117	55	61	40	38	51	52	62	76	93	76	132	119	116	93	129	189	215	231	309	341	297	258
45 Years & Older	55	82	56	26	27	26	30	45	37	36	48	37	56	56	55	54	88	117	119	167	169	177	129	107
Female	161	192	93	61	20	28	30	60	39	20	27	28	30	30	33	32	34	70	96	112	207	206	180	160
Under 15 Years	-	1	-	-	-	-	-	1	-	-	-	-	-	-	-	-	1	2	1	-	1	-	-	-
15-19 Years	9	28	6	3	-	5	1	11	5	3	1	5	5	4	6	7	4	12	6	4	9	12	8	7
20-24 Years	31	35	10	13	4	4	6	9	11	6	6	8	7	11	8	7	12	17	18	19	43	36	35	24
25-29 Years	28	31	19	9	2	1	3	13	4	-	9	6	5	3	7	10	5	8	21	29	47	47	29	31
30-44 Years	72	75	43	22	8	12	14	20	14	9	9	8	10	9	8	3	9	24	36	48	85	85	83	80
45 Years & Older	21	22	15	14	5	6	6	6	5	2	2	1	3	3	4	5	3	7	14	12	22	26	25	18

Notes:

A dash ("–") indicates quantity zero.

All Ages category includes records with unknown age.

Total (Both Sexes) category includes records with unknown sex.

Source: Michigan Disease Surveillance System, MDHHS.

Last Updated: 01/15/2026