UNAIDS leads the world's most extensive data collection on HIV epidemiology, programme coverage and finance and publishes the most authoritative and up-to-date information on the HIV epidemic.

Rounded values, as showing on aidsinfo.unaids.org and the 2024 Global AIDS Update, are recommended for use in all narrative and other public reports.

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Global dataset on HIV epidemiology and response. Indicators catalogue; Epidemic & response; Inequalities ; key populations

UNAIDS annually provides revised global, regional and country-specific modelled estimates using the best available epidemiological and programmatic data to track the HIV epidemic. Modelled estimates are required because it is impossible to count the exact number of people living with HIV, people who are newly