World Obesity Federation
Driving global efforts to reduce, prevent and treat obesity.
Sign up for updatesRelive the highlights of ICO 2024!
From groundbreaking sessions to inspiring speeches, relive the excitement and key takeaways that made this year’s congress unforgettable. Watch our highlights video on our YouTube channel
WATCH NOWGlobal Obesity Observatory
At the World Obesity Federation we have been collating data for over 20 years. This database is online and available to view in various formats.
VIEW OUR DATAOur Members
Our members are organisations representing healthcare professionals, researchers, policy specialists and those with lived experience of obesity.
VIEW OUR MEMBERSOur Image Bank
Our Image Bank forms a gallery of free-to-use images to ensure accurate, non-biased, respectful images are widely available.
VIEW OUR IMAGE BANKRecent News
View allNews Dec 13, 24
2024 Year-end letter from our President and CEO
Our President, Simón Barquera, and CEO, Johanna Ralston, reflect on a fantastic 2024.
Read PostNews Dec 13, 24
2024 in review: Our members
In 2024, we were delighted to see our membership continue to grow as we expand into more areas around the world.
Read PostNews Dec 13, 24
2024 in review: Policy & Advocacy
We leveraged opportunities at several events this year to help ensure obesity is a priority in the global health agenda.
Read PostWorld Obesity Resources
We have a wide range of resources available for you to download, read, use or purchase.
- Policy Dossiers - These provide evidence and resources to help policymakers, NGOs and others.
- Journals - World Obesity publishes four scientific, peer-reviewed journals.
- Image Bank - A gallery of free-to-use images to ensure accurate, non-biased, and respectful images are widely available.
- Resource Library - We produce a range of statements, responses, papers and reports related to obesity.
- Obesity: The Other Pandemic of the 21st Century - This work features contributions from leading experts in the field of obesity management and prevention.
Our Members
World Obesity Federation is a membership organisation representing national and regional associations dedicated to the study and management of obesity and related comorbidities.
Our membership body currently comprises more than 80 associations in over 100 countries and territories.
Our members are organisations representing healthcare professionals, researchers, policy specialists and those with lived experience of obesity. As well as a membership programme for non-profit organisations, World Obesity runs a Champions programme for partners.
Find out moreUpcoming Events
View allJan 16, 25
The Lancet Diabetes & Endocrinology Commission Launch Event
Join us at the launch of this highly anticipated report from the Commission on Clinical Obesity on 16 January.
Read PostWorld Day Mar 04, 25
World Obesity Day 2025
World Obesity Day takes place every year on 4 March. New details coming soon - stay up to date with our newsletter.
Read PostMember May 11, 25
European Congress on Obesity (ECO) 2025
ECO 2025, will be held 11-14 May - taking place in Malaga, Spain.
Read Post