Global Overview
Global HIV prevalence (the proportion of people living with the virus) appears to have levelled off. However, the number of people living with HIV has risen to 33.2 million [30.6-36.1 million] in 2007 from 29.0 million [26.9 million-32.4 million] in 2001. Some 2.5 million [1.8-4.1 million] people were newly infected with the virus in 2007 and 2.1 million [1.9-2.4 million] people died of AIDS-related illnesses.

Sub-Saharan Africa

Sub-Saharan Africa remains the most affected region. Some 1.7 million [1.4 million-2.4 million] people were newly infected with HIV in 2007, bringing to 22.5 million [20.9 million-24.3 million] the total number of people living with the virus. Unlike other regions, the majority of people (61%) living with HIV in sub-Saharan Africa are women.

- More than two-thirds (68%) of all people infected with HIV live in sub-Saharan Africa where more than three quarters (76%) of all AIDS-related deaths in 2007 occurred.

- Within the region, Southern Africa is worst-affected ? national adult HIV prevalence exceeded 15% in eight Southern African countries in 2005 1.

- South Africa is the country in the world with the most HIV infections, but like most of the countries in Southern , East and West Africa adult HIV prevalence is either stable or has started to decline. The latter trend is most evident in Kenya and Zimbabwe , and signs of declining HIV prevalence are also being seen in Côte d'Ivoire , Mali and urban Burkina Faso . In these countries there is also evidence of a shift towards safer behaviour.
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