Risk population size as a percentage of the total number of adult males or females (aged 15–49), expressed as a range for those countries that have conducted MOT within each region
| Southern Africa | East Africa | West Africa | Middle East and North Africa | Asia* | Latin America and Caribbean | |
|---|---|---|---|---|---|---|
| Injecting drug use | ||||||
| Men | 0–0.7 | 0.02–0.14 | 0.09–0.5 | 0.19–1.14 | 0.02–0.44 | 0.02–0.07 |
| Women | 0–0.2 | 0–0.4 | 0.02–0.05 | 0.003–0.02 | 0.0–0.07 | |
| Female sex workers | 0.4–2.0 | 0.5–2.3 | 0.6–1.0 | 0.38–0.75 | 0.37–0.4 | 0.7–3.1 |
| Sex worker clients | 3.0–13.2 | 2.9–4.0 | 2.9–17 | 6.7–7.5 | 5–5.6 | 4.1–15.8 |
| Men having sex with men | 0.1–4.0 | 0.1–1.0 | 0.1–0.8 | 0.5–2.3 | 1.53–3 | 2.0–6.0 |
| Transgender† | 0.18 | |||||
| Multiple heterosexual relations | ||||||
| Men | 14–38 | 26–40 | 14–43 | 4.5–10 | 6.9–10 | 15.3–33.5 |
| Women | 1.6–17 | 1.9–18 | 6–26 | 1.5–2.4 | 0.9–1 | 0.6–16.7 |
| Stable relationships | ||||||
| Men | 20–42 | 25–42 | 10–33 | 62–77 | 43–87 | 21.5–57.8 |
| Women | 24–53 | 29–50 | 34–54 | 54–80 | 49–52 | 34.9–60.3 |
*Based on data from Myanmar and Philippines.
†Based on data from Nicaragua.
MOT, modes of transmission.