| 2003 | Range | % of WLHIV | 2005 | Range | % of WLHIV | 2006 | Range | % of WLHIV | |
| Sub-Saharan Africa | 1 200 000 | 990 000–1.6 m | 10.2 | 770 000 | 640 000–870 000 | 6.2 | 850 000 | 610 000–1.1 m | 6.8 |
| East Asia | 22 000 | TBD | 16.1 | 3600 | 1600–TBD | 2.1 | 10 000 | TBD | 5.5 |
| Oceania | <500 | <500–<500 | 3.5 | <500 | <500–<500 | 2.9 | <500 | <500–<1000 | 2.5 |
| South and South-East Asia | 21 000 | 5700–36 000 | 2.1 | 36 000 | 14 000–51 000 | 3.3 | 28 000 | 16 000–45 000 | 2.5 |
| Eastern Europe and Central Asia | 3900 | 1000–9500 | 1.4 | 1700 | 1100–2900 | 0.5 | 1500 | <500–4100 | 0.4 |
| Western and Central Europe | 6600 | TBD | 3.6 | 6000 | 5900–6100 | 0.8 | 6100 | 6000–6200 | 3.0 |
| Middle East and North Africa | 35 000 | 26 000–46 000 | 21.6 | 28 000 | 28 000–28 000 | 16.0 | 27 000 | 19 000–36 000 | 14.6 |
| North America | 2600 | TBD | 0.9 | 2900 | TBD | 0.9 | 4300 | TBD | 1.4 |
| Caribbean | 1100 | TBD | 1.5 | 12 000 | 12 000–12 000 | 14.3 | <500 | <500–<500 | 0.3 |
| Latin America | 4500 | 3400–6700 | 1.3 | 7500 | 7500–7500 | 2.0 | 4600 | 2600–8400 | 1.2 |
| Global | 1 300 000 | 1 m–1.7 m | 8.7 | 870 000 | 870 000–870 000 | 5.7 | 930 000 | 660 000–1.3 m | 6.1 |
TBD, to be determined.