15.72
2023 (latest)
SYPHILIS, PRIMARY AND SECONDARY
reported cases per 100,000 population · 1950–2023 · lower is better · NCHS Health, United States (Table IDNotif) · CDC NNDSS annual summary via WONDER
16.73
1950
20.26
high · 1990
2.12
low · 2000
−6%
since 1950
┊ dashed lines mark 1979 Oil shock & inflation peak · 1987 Black Monday crash · 1991 Gulf War recession · 2001 Dot-com bust & 9/11 · 2008 Global financial crisis · 2020 COVID-19 pandemic
Method & caveats. Annual reported primary and secondary syphilis incidence from NCHS and CDC NNDSS; congenital and other stages are excluded. The case definition changed in 2018. Rates through 2019 are NCHS's; rates from 2020 are the NNDSS final count divided by the Census July 1 resident population (FRED POPTHM), using a later population vintage (about 1% higher denominator). This is not always the same construction: IDNotif excludes populations of jurisdictions where a disease was not notifiable or data were unavailable; STD rates before 1991 use civilian population. Selected years before 1988 are not interpolated.
Sources
Every value on this page is read from the publisher below. Current and historical source documents:
- https://ftp.cdc.gov/pub/Health_Statistics/NCHS/Publications/Health_US/hus20-21tables/IDNotif.xlsx
- https://wonder.cdc.gov/nndss-annual-summary.html
- https://fred.stlouisfed.org/series/POPTHM
- https://github.com/danielmiessler/substrate/tree/main/Data/US-Disease-And-Vaccination
Data
| Year | Syphilis, Primary and secondary | Change |
|---|---|---|
| 2023 | 15.72 | −11% |
| 2022 | 17.65 | +11% |
| 2021 | 15.95 | +27% |
| 2020 | 12.55 | +5% |
| 2019 | 11.92 | +11% |
| 2018 | 10.72 | +14% |
| 2017 | 9.41 | +9% |
| 2016 | 8.61 | +16% |
| 2015 | 7.43 | +19% |
| 2014 | 6.27 | +14% |
| 2013 | 5.50 | +10% |
| 2012 | 4.99 | +11% |
| 2011 | 4.48 | +0% |
| 2010 | 4.46 | −2% |
| 2009 | 4.56 | +3% |
| 2008 | 4.44 | +17% |
| 2007 | 3.80 | +17% |
| 2006 | 3.26 | +11% |
| 2005 | 2.94 | +8% |
| 2004 | 2.72 | +10% |
| 2003 | 2.47 | +4% |
| 2002 | 2.38 | +11% |
| 2001 | 2.14 | +1% |
| 2000 | 2.12 | −11% |
| 1999 | 2.37 | −7% |
| 1998 | 2.54 | −19% |
| 1997 | 3.14 | −26% |
| 1996 | 4.23 | −32% |
| 1995 | 6.21 | −21% |
| 1994 | 7.84 | −23% |
| 1993 | 10.21 | −23% |
| 1992 | 13.26 | −22% |
| 1991 | 16.98 | −16% |
| 1990 | 20.26 | +9% |
| 1989 | 18.57 | +12% |
| 1988 | 16.55 | +45% |
| 1985 | 11.40 | −5% |
| 1980 | 12.00 | +11% |
| 1970 | 10.80 | +19% |
| 1960 | 9.06 | −46% |
| 1950 | 16.73 | — |
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