World Obesity Federation
Driving global efforts to reduce, prevent and treat obesity.
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MAPPS II Project
Are you a healthcare professional, person with lived experience of obesity, or involved in healthcare policy? Take part in our MAPPS II survey! Share your experiences & help improve obesity care and prevention.
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Relive 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
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Global 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.
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Our Members
Our members are organisations representing healthcare professionals, researchers, policy specialists and those with lived experience of obesity.
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Our 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
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News Jun 02, 25
World Obesity at WHA 78 - driving action on obesity and NCDs
The World Obesity team joined members and fellow health organisations at WHA 78 to elevate action on obesity.
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News May 30, 25
Reframing obesity with People with Lived Experience at the centre
On the sidelines of ECO 2025, World Obesity, GOPA and ECPO co-hosted a session for people living with obesity.
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News May 30, 25
ECO 2025: Advancing collaboration across Europe for a healthier future
We joined researchers, clinicians, policymakers, lived experience advocates and partner organisations at ECO 2025.
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
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UN Event Sep 01, 25
UN’s 4th High Level Meeting on NCDs
The Fourth High-level Meeting of the United Nations General Assembly (HLM4) will take place in September 2025.
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Member Sep 10, 25
UK Congress on Obesity (UKCO) 2025
Our member, the UK Association for the Study of Obesity (ASO), will host UKCO 2025 on 10 - 11 September in Aberdeen.
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Global Obesity Forum Sep 23, 25
Global Obesity Forum 2025
The 2025 Global Obesity Forum takes place in New York on 23 September as part of the UN High-Level Meeting on NCDs.
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