Epidemiology

The most recent data, according to UNAIDS, suggests that approximately 33.4 million people worldwide are living with HIV and that there were about 2.7 million new infections and 2 million AIDS-related
deaths in 2008.

HIV Prevalence Worldwide


According to the CDC, approximately 1,178,350 people in the United States were living with HIV in 2007. About 50,000 people are infected each year in the U.S.

The following charts show the demographics of new infections of HIV.

Age (Years)
Estimated Number of Diagnoses of HIV Infection, 2009
Under 13166
Ages 13-1421
Ages 15-192,036
Ages 20-246,237
Ages 25-295,951
Ages 30-345,020
Ages 35-395,232
Ages 40-445,519
Ages 45-494,865
Ages 50-543,323
Ages 55-592,004
Ages 60-64900
Ages 65 or older736

Race/Ethnicity


Gender and Race/Ethnicity

Some countries have an epidemic of HIV.  According to AVERT, the epidemic is worst in sub-Saharan Africa and is spreading fastest in Eastern Europe and Central Asia.

The number of afflicted individuals has increased over the past decade.  However, scientists hope that with advancing medicine, the number of AIDS-related deaths will continue to decline over the next decade.