% of adults aged 15-49 · annual 1990–{{year}} · UNAIDS · {{count}} countries
HIV prevalence among adults aged 15-49, as a percentage — a continuous annual series from 1990 to 2024. A ratio, not addable.
Our World in Data / UNAIDS (Joint United Nations Programme on HIV/AIDS).
Time slider. An extremely skewed distribution: median 0.42% in 2024, but 90th percentile 2.45% — steps tightened at the low end, very wide above 10%.
Eswatini (23.4%) shows the world's highest prevalence, a level shared by several Southern African countries — the region hardest hit by the epidemic, where nearly one adult in five lives with HIV in some countries, against a global median under 0.5%.