Homepage | World Obesity Federation

SCOPE

Strategic Centre for Obesity Professional Education

Global Obesity Observatory

World Obesity data from around the world

MAPPS II

Management & Advocacy for Providers, Patients and Systems

World Obesity Day 2026

8 Billion Reasons to Act on Obesity

MAPPS II

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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ICO 2026

Register for ICO 2026 in Mexico!

The International Congress on Obesity (ICO) 2026, our flagship international event, will take place in Mexico City in July 2026!

DATA

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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NETWORK

Our Members

Our members are organisations representing healthcare professionals, researchers, policy specialists and those with lived experience of obesity.

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IMAGE BANK

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 BANK

ICO 2024

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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Recent News

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News Mar 27, 26

World Obesity Day 2026: 8 billion reasons, one shared challenge

On 4 March 2026, we marked World Obesity Day with a clear message: there are 8 billion reasons to act on obesity.

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News Mar 04, 26

World “failing” on obesity as over one-in-five school-age children now estimated to be living with obesity or overweight

Most countries are off track to meet their global targets, according to the World Obesity Atlas 2026.

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News Feb 26, 26

GLP-1 based therapies and the future of obesity care

A new comment in the Lancet Global Health explores how GLP-1 treatments are transforming obesity care.

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Resources

World 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.

RESOURCES

Data

Training & Events

Resources

Our Network

Membership

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.

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