| 2003 | Range | % of PLHIV | 2005 | Range | % of PLHIV | 2006 | Range | % of PLHIV | |
| Sub-Saharan Africa | 2 300 000 | 1.9 m–3 m | 10.6 | 1 400 000 | 1.2 m–1.7 m | 6.4 | 1 500 000 | 1.2 m–2.1 m | 7.0 |
| East Asia | 92 000 | 72 000–110 000 | 16.3 | 14 000 | 12 000–16 000 | 2.0 | 38 000 | 30 000–45 000 | 5.2 |
| Oceania | <1000 | <1000–<1000 | 1.7 | <1000 | <1000–<1000 | 1.7 | < 1000 | <1000–1000 | 1.4 |
| South and South-East Asia | 75 000 | 26 000–160 000 | 2.0 | 120 000 | 14 000–51 000 | 3.1 | 90 000 | 48 000–160 000 | 2.3 |
| Eastern Europe and Central Asia | 17 000 | 4600–38 000 | 1.5 | 7400 | 4800–12 000 | 0.5 | 6200 | <1000–16 000 | 0.4 |
| Western and Central Europe | 15 000 | 15 000–15 000 | 2.2 | 13 000 | 13 000–14 000 | 1.9 | 11 000 | 11 000–12 000 | 1.5 |
| Middle East and North Africa | 65 000 | 50 000–84 000 | 19.9 | 52 000 | 39 000–67 000 | 14.9 | 48 000 | 36 000–64 000 | 13.3 |
| North America | 6200 | TBD | 0.5 | 7800 | TBD | 0.6 | 8200 | TBD | 0.6 |
| Caribbean | 2700 | 2700–3700 | 1.3 | 27 000 | 27 000–37 000 | 12.6 | <1000 | <1000–<1000 | 0.2 |
| Latin America | 18 000 | 13 000–24 000 | 1.3 | 23 000 | 13 000–40 000 | 1.5 | 16 000 | 8900–28 000 | 1.0 |
| Global | 2 600 000 | 2 m–3.4 m | 7.9 | 1 700 000 | 1.4 m–2.1 m | 5.1 | 1 800 000 | 1.3 m–2.5 m | 5.4 |
TBD, to be determined.