From the Centers for Disease Control and Prevention…

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.