HIV Incidence
HIV incidence is one of the six Ending the HIV Epidemic in the U.S. indicators. HIV incidence refers to the estimated number of new HIV infections each year.c
Gay, Bisexual, and other Men Who Reported Male-to-Male Sexual Contactd
In 2019, gay, bisexual, and other men who reported male-to-male sexual contact accounted for 70% (24,500) of the 34,800 estimated new HIV infections and 86% of estimated infections among all men.
* Among people aged 13 and older.
Source: CDC. Estimated HIV incidence and prevalence in the United States, 2015–2019. HIV Surveillance Supplemental Report 2020;26(1).
People Who Reported Heterosexual Contact
In 2019, people reporting heterosexual contact accounted for 22% (7,800) of the 34,800 estimated new HIV infections.
- Men reporting heterosexual contact accounted for 7% (2,400) of estimated new HIV infections.
- Women reporting heterosexual contact accounted for 15% (5,300) of estimated new HIV infections.
* Among people aged 13 and older.
Source: CDC. Estimated HIV incidence and prevalence in the United States, 2015–2019. HIV Surveillance Supplemental Report 2020;26(1).
People Who Inject Drugs (PWID)
In 2019, PWID accounted for 7% (2,500) of the 34,800 estimated new HIV infections.
- Men who inject drugs accounted for 4% (1,400) of estimated new HIV infections.
- Women who inject drugs accounted for 3% (1,100) of estimated new HIV infections.
* Among people aged 13 and older.
Source: CDC. Estimated HIV incidence and prevalence in the United States, 2015–2019. HIV Surveillance Supplemental Report 2020;26(1).
a Unless otherwise noted, data in this web content are for adults and adolescents aged 13 and older.
b American Samoa, Guam, the Northern Mariana Islands, Puerto Rico, the Republic of Palau, and the US Virgin Islands.
C HIV incidence data are not available for transgender people. For more information about transgender people, visit CDC’s HIV and Transgender People web content.
d Includes infections attributed to male-to-male sexual contact and injection drug use (men who reported both risk factors).
e A person whose gender identity or expression is different from their sex assigned at birth.
f A person assigned male at birth who identifies as female.
g A person assigned female at birth who identifies as male.
h Includes infections attributed to male-to-male sexual contact and injection drug use (men who reported both risk factors).
i The term male-to-male sexual contact is used in CDC surveillance systems. It indicates a behavior that transmits HIV infection, not how individuals self-identify in terms of their sexuality. This web content uses the term gay and bisexual men to represent gay, bisexual, and other men who reported male-to-male sexual contact.
j Includes people who have ever had sexual contact with a person known to have, or with a risk factor for, HIV. Does not include men who have ever had sexual contact with both men and women.
k Does not include infections attributed to male-to-male sexual contact and injection drug use (men who reported both risk factors).
l Regions used in CDC’s National HIV Surveillance System:
Northeast: CT, ME, MA, NH, NJ, NY, PA, RI, VT
Midwest: IL, IN, IA, KS, MI, MN, MO, NE, ND, OH, SD, WI
South: AL, AR, DE, DC, FL, GA, KY, LA, MD, MS, NC, OK, SC, TN, TX, VA, WV
West: AK, AZ, CA, CO, HI, ID, MT, NV, NM, OR, UT, WA, WY
- CDC. Diagnoses of HIV infection in the United States and dependent areas, 2020. HIV Surveillance Report 2022;33.
- CDC. Estimated HIV incidence and prevalence in the United States 2015–2019 [PDF - 2.6 MB]. HIV Surveillance Supplemental Report 2021;26(1).
- CDC. Monitoring selected national HIV prevention and care objectives by using HIV surveillance data—United States and 6 dependent areas, 2020. HIV Surveillance Supplemental Report 2022;27(3).