World Health Assembly

The World Health Assembly is the main decision-making body of WHO and is comprised of 194 Member States. Every year, generally in May, delegates from all Member States come together to agree on the Organization’s priorities and policies.

At the Health Assembly, country delegates make decisions on health goals and strategies that will guide their own public health work and the work of the WHO Secretariat to move the world towards better health and well-being for all. The Health Assembly also serves as a forum for reporting back on the implementation of the areas of work set, in order to determine what has been achieved and decide on strategies for addressing the gaps.

In 2025, WHA will run from May 19-27 under the theme of ‘One World for Health.’

Proceedings will be webcast live, with simultaneous interpretation available in Arabic, Chinese, English, French, Russian and Spanish.

Climate change at WHA78

WHA78 will include a range of side events focused on the health impacts of climate change and other environmental hazards. Explore climate-focused events in the below table for information and livestream links, and connect with us if you have other events or relevant resources or news to add to this page.