Main mode(s) of transmission2 for adults living with HIV/AIDS
Sub-Saharan Africa
late '70s - early '80s
22.5 million
4.0 million
8.0%
50%
Hetero
North Africa & Middle East
late '80s
210,000
19,000
0.13%
20%
IDU, Hetero
South & South-East Asia
late '80s
6.7 million
1.2 million
0.69%
25%
Hetero
East Asia & Pacific
late '80s
560,000
200,000
0.068%
15%
IDU, Hetero, MSM
Latin America
late '70s - early '80s
1.4 million
160,000
0.57%
20%
MSM, IDU, Hetero
Caribbean
late '70s - early '80s
330,000
45,000
1.96%
35%
Hetero, MSM
Eastern Europe & Central Asia
early '90s
270,000
80,000
0.14%
20%
IDU, MSM
Western Europe
late '70s - early '80s
500,000
30,000
0.25%
20%
MSM, IDU
North America
late '70s - early '80s
890,000
44,000
0.56%
20%
MSM, IDU, Hetero
Australia & New Zealand
late '70s - early '80s
12,000
600
0.1%
5%
MSM, IDU
TOTAL
33.4 million
5.8 million
1.1%
43%
1. The proportion of adults (15 to 49 years of age) living with HIV/AIDS in 1998, using 1997
population numbers. 2. MSM (sexual transmission among men who have sex with men), IDU (transmission through injecting
drug use), Hetero (heterosexual transmission).
