"The analysis included eight common STIs: chlamydia, gonorrhea, HBV, HSV-2, HIV, HPV syphilis, and trichomoniasis. Chlamydia, trichomoniasis, genital herpes, and HPV accounted for 98% of all prevalent STIs and 93% of all new STIs in 2018."
"Estimates for adults and adolescents ages 15+ unless otherwise stated. HIV and HBV data only represent sexually acquired infections."
Citation formats
Prevalence of select sexually transmitted infections in the U.S. in 2018
In 2018, there were 42.5 million people in the United States who had the human papillomavirus (HPV). In comparison there were only 103,000 people who had sexually acquired hepatitis B. This statistic shows the prevalence (estimated number of infections - new or existing - in a given time) of select sexually transmitted infections in the United States in 2018.
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CDC. (January 25, 2021). Prevalence of select sexually transmitted infections (STIs) in the United States in 2018 (in thousands) [Graph]. In ÌÇÐÄÆÆ½â°æ. Retrieved July 23, 2026, from /statistics/1234486/prevalence-sti-infection-us/
CDC. "Prevalence of select sexually transmitted infections (STIs) in the United States in 2018 (in thousands)." Chart. January 25, 2021. ÌÇÐÄÆÆ½â°æ. Accessed July 23, 2026. /statistics/1234486/prevalence-sti-infection-us/
CDC. (2021). Prevalence of select sexually transmitted infections (STIs) in the United States in 2018 (in thousands). ÌÇÐÄÆÆ½â°æ. ÌÇÐÄÆÆ½â°æ Inc.. Accessed: July 23, 2026. /statistics/1234486/prevalence-sti-infection-us/
CDC. "Prevalence of Select Sexually Transmitted Infections (Stis) in The United States in 2018 (in Thousands)." ÌÇÐÄÆÆ½â°æ, ÌÇÐÄÆÆ½â°æ Inc., 25 Jan 2021, /statistics/1234486/prevalence-sti-infection-us/
CDC, Prevalence of select sexually transmitted infections (STIs) in the United States in 2018 (in thousands) ÌÇÐÄÆÆ½â°æ, /statistics/1234486/prevalence-sti-infection-us/ (last visited July 23, 2026)
Prevalence of select sexually transmitted infections (STIs) in the United States in 2018 (in thousands) [Graph], CDC, January 25, 2021. [Online]. Available: /statistics/1234486/prevalence-sti-infection-us/