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Epidemiology of HIVQuestion 4/15

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In the United States, at year-end 2021, persons in which one of the following age groups had the highest HIV prevalence and accounted for the greatest number of persons living with diagnosed and undiagnosed HIV?

This graphic shows the number of persons 13 years of age and older with HIV in the United States, by age group. As shown in the graph, the age group 55 years and older has, by far, the most number of persons with HIV (diagnosed or undiagnosed) in the United States.
Figure 1. HIV Prevalence by Age Group, United States, 2021
This graphic shows the number of persons 13 years of age and older with HIV in the United States, by age group. As shown in the graph, the age group 55 years and older has, by far, the most number of persons with HIV (diagnosed or undiagnosed) in the United States.
Source: Centers for Disease Control and Prevention. Estimated HIV Incidence and Prevalence in the United States, 2017–2021. HIV Surveillance Supplemental Report. 2023;28(3). Published May 2023.
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Question Last Updated
January 28th, 2025

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