As of the end of 2006, an estimated 39.5 million
(34.1-47.1 million) people around the world were living
with HIV/AIDS, including the 4.3 million (3.6-6.6 million)
people who acquired HIV in 2006. The epidemic claimed
an estimated 2.9 million (2.5-3.5 million) lives in
2006. Two-thirds of all people living with HIV are in
Sub-Saharan Africa as are 75% of all women with HIV.
AIDS Epidemic Update: December 2006 (PDF)