In 2018, 37,968 people received an HIV diagnosis in the United States (US) and dependent areas. From 2014 to 2018, HIV diagnoses decreased 7% among adults and adolescents. However, annual diagnoses have increased among some groups.
Gay and bisexual men are the population most affected by HIV, with Black/African American, Hispanic/Latino gay and bi men having the highest rates of new infections.
The number of new HIV diagnoses was highest among people aged 25 to 34.
Source: CDC. Diagnoses of HIV infection in the United States and dependent areas, 2018 (updated). HIV Surveillance Report 2020;31.