Region	Epidemic started	Adults and children living with HIV/AIDS	Adults and children newly infected with HIV	Adult prevalence rate*	% of HIV positive adults who are women	Main mode(s) of transmission† for adults living with HIV/AIDS
Sub-Saharan Africa	late 1970s to early 1980s	25.3 million	3.8 million	8.8%	55%	Hetero
North Africa and Middle East	late 1980s	400 000	80 000	0.2%	40%	Hetero, IDU
South and South East Asia	late 1980s	5.8 million	780 000	0.56%	35%	Hetero, IDU
East Asia and Pacific	late 1980s	640 000	130 000	0.07%	13%	IDU, hetero, MSM
Latin America	late 1970s to early 1980s	1.4 million	150 000	0.5%	25%	MSM, IDU, hetero
Caribbean	late 1970s to early 1980s	390 000	60 000	2.3%	35%	Hetero, MSM
Eastern Europe and Central Asia	early 1990s	700 000	250 000	0.35%	25%	IDU
Western Europe	late 1970s to early 1980s	540 000	30 000	0.24%	25%	MSM, IDU
North America	late 1970s to early 1980s	920 000	45 000	0.6%	20%	MSM, IDU, hetero
Australia and New Zealand	late 1970s to early 1980s	15 000	500	0.13%	10%	MSM
Total		36.1 million	5.3 million	1.1%	47%