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Basic Statistics

This chart shows new HIV diagnoses in the United States in 2016 for the most-affected subpopulations. Black male-to-male sexual contact = 10,223; white male-to-male sexual contact = 7,390; Hispanic/Latino male-to-male sexual contact = 7,425; black heterosexual women = 4,189; black heterosexual men = 1,926; Hispanic/Latina heterosexual women = 1,025; white heterosexual women = 1,032.

HIV and AIDS remain a persistent problem for the United States and countries around the world. While great progress has been made in preventing and treating HIV, there is still much to do. The questions in this section provide a broad overview of the effects of HIV and AIDS in the United States and globally. For more detailed analysis of HIV data and its impact in the United States, visit our Statistics Center.

How many people are diagnosed with HIV each year in the United States?

In 2016, 39,782 people received an HIV diagnosis. The annual number of new diagnoses declined by 5% from 2011 to 2015.

How many people are living with HIV in the United States?

An estimated 1.1 million people in the United States were living with HIV at the end of 2015, the most recent year for which this information is available. Of those people, about 15%, or 1 in 7, did not know they were infected.

How does CDC know the number of people living with HIV if some of those people are unaware of their status?

CDC estimates the number of people living with HIV (called prevalence) by using a scientific model. This model helps CDC estimate the number of new HIV infections and how many people are infected but don’t know it. HIV prevalence is the number of people living with HIV infection at a given time, such as at the end of a given year. More information on HIV prevalence.

How does HIV affect different groups of people?

There are different ways to answer this question.

If we look at HIV infections* by transmission category, we see that gay, bisexual, and other men who have sex with men are most at risk. In 2014, gay and bisexual men accounted for 70% of all new HIV infections. In the same year, individuals infected through heterosexual sex made up 23% of all new HIV infections.

This pie chart shows new HIV infections in the United States in 2014 by transmission category. Male-to-male sexual contact = 70% (26,200); heterosexual contact = 23% (8,600); injection drug use = 5% (1,700); male-to-male sexual contact and injection drug use = 3% (1,100).

* HIV infections indicate the estimated number of new infections in a given time period, regardless of when those infections were diagnosed.
HIV diagnoses refer to the number of people diagnosed with HIV infection during a given time period, not when the people were infected.

In 2016, gay and bisexual men accounted for 67% of all HIV diagnoses. In the same year, individuals infected through heterosexual sex made up 24% of all HIV diagnoses.

This pie chart shows new HIV diagnoses in the United States in 2016 by transmission category. Male-to-male sexual contact = 67% (26,570); heterosexual contact = 24% (9,578); injection drug use = 6% (2,224); male-to-male sexual contact and injection drug use = 3% (1,201).

If we look at HIV diagnoses by race and ethnicity, we see that African Americans are most affected by HIV. In 2016, African Americans made up only 12%* of the US population but had 44% of all new HIV diagnoses. Additionally, Hispanic/Latinos** are also strongly affected. They made up 18% of the US population but had 25% of all new HIV diagnoses.

This pie chart shows new HIV diagnoses in the United States in 2016 by race/ethnicity. African Americans = 44% (17,528); whites = 26% (10,345); Hispanics/Latinos = 25% (9,766); Asians = 2% (977); Multiple Races = 2% (875); American Indians/Native Alaskans = 1% (243); Native Hawaiians/Other Pacific Islanders = <1% (48).

*Does not include black/African Americans who are Hispanic.
** Hispanics/Latinos can be of any race.

The most affected subpopulation is African American gay and bisexual men.

This chart shows new HIV diagnoses in the United States in 2016 for the most-affected subpopulations. Black male-to-male sexual contact = 10,223; white male-to-male sexual contact = 7,390; Hispanic/Latino male-to-male sexual contact = 7,425; black heterosexual women = 4,189; black heterosexual men = 1,926; Hispanic/Latina heterosexual women = 1,025; white heterosexual women = 1,032.

Subpopulations representing 2% or less of HIV diagnoses are not reflected in this chart.

There are also variations by age. Young people aged 13-24 are especially affected by HIV. In 2015, they comprised 16% of the US population but accounted for 22% of all new HIV diagnoses. All young people are not equally at risk, however. Young gay and bisexual men accounted for 84% of all new HIV diagnoses in people aged 13-24 in 2015, and young, African American gay and bisexual men are even more severely affected.

CDC’s fact sheets explain the impact of HIV on various populations in the United States.

Do people still die from HIV?

Yes. In the United States, 6,721 people died from HIV and AIDS in 2014. HIV remains a significant cause of death for certain populations. In 2014, it was the 8th leading cause of death for those aged 25-34 and 9th for those aged 35-44.

Do some parts of the country have more HIV than other parts?

Yes. HIV is largely an urban disease, with most cases occurring in metropolitan areas with 500,000 or more people. The South has the highest number of people living with HIV, but if population size is taken into account, the Northeast has the highest rate of people living with HIV. (Rates are the number of cases of disease per 100,000 people. Rates allow comparisons between groups of different sizes.)

HIV in the United States by Geography is a fact sheet that explains the geography of HIV in the United States.

What about HIV around the world?

HIV disease continues to be a serious health issue for parts of the world. Worldwide, there were about 1.8 million new cases of HIV in 2016. About 36.7 million people were living with HIV around the world in 2016, and 19.5 million of them were receiving medicines to treat HIV, called antiretroviral therapy (ART). An estimated 1 million people died from AIDS-related illnesses in 2016. Sub-Saharan Africa, which bears the heaviest burden of HIV and AIDS worldwide, accounts for about 64% of all new HIV infections. Other regions significantly affected by HIV and AIDS include Asia and the Pacific, Latin America and the Caribbean, and Eastern Europe and Central Asia.

CDC’s Global AIDS website explains what CDC is doing in the global fight against HIV.

Interested in learning more about CDC's HIV statistics?

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