Updated Data and Methods for the 2023 UNAIDS HIV Estimates.

Area of Science:

• Epidemiology
• Public Health
• Global Health

Background:

• The Joint United Nations Programme on HIV/AIDS (UNAIDS) coordinates annual HIV epidemic estimations globally.
• Country teams are responsible for generating these estimates, providing crucial data on HIV prevalence and impact.
• The UNAIDS Reference Group on Estimates, Modeling, and Projections oversees the methodological development for these estimates.

Purpose of the Study:

• To present the latest global HIV estimates for 2023.
• To document updates in estimation methodologies and epidemiological analyses.
• To provide a comprehensive overview of the state of HIV epidemics worldwide based on country-level data.

Main Methods:

• Utilizing standardized methods developed under UNAIDS guidance.
• Active engagement from 150 countries in the estimation process.
• Data collection and analysis for 174 countries, covering 99% of the global population.

Main Results:

• HIV estimates were available for 174 countries in 2023.
• 150 countries actively participated in the estimation process.
• The data provides a near-comprehensive picture of the global HIV epidemic.

Conclusions:

• Annual HIV estimates are crucial for monitoring and responding to the global epidemic.
• Methodological updates ensure the accuracy and reliability of HIV data.
• The collaborative effort highlights a global commitment to understanding and combating HIV/AIDS.