Globally, 37.8 million adults and children were living with HIV/AIDS at the end of 2003. Of them, more than 95% were living in low- and middle-income countries.

In 2003, 4.8 million people were newly infected with HIV, and there were 2.9 million adult and child deaths due to HIV/AIDS. Almost 50% of newly infected adults were women. Since the beginning of the epidemic, there have been more than 20 million AIDS deaths.

Global Summary of the HIV/AIDS Epidemic

people newly infected with HIV in 2003
Total	4.8 million
Adults	4.1 million
Children <15 years	630,000
Number of people living with HIV/AIDS as of end 2003
Total	37.8 million
Adults	35.7 million
Women	17 million
Children <15 years	2.1 million
AIDS deaths in 2003
Total	2.9 million
Adults	2.4 million
Children <15 years	490,000

(Source: Report on the Global AIDS Epidemic, UNAIDS, July 2004.)