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.

LEARN MORE

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.

VIEW OUR DATA

NETWORK

Our Members

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

VIEW OUR MEMBERS

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

WATCH NOW

Recent News

View all

News Jan 29, 26

SCOPE Hybrid Masterclass: Successful obesity care training in China

The newly introduced SCOPE Hybrid Masterclass was successfully delivered across 4 cities in China.

Read Post

News Dec 16, 25

World Obesity welcomes adoption of the Political Declaration on NCDs and mental health

The new NCDs Declaration is a step forward, but stronger action on obesity is urgently needed.

Read Post

News Dec 12, 25

2025 Year-end letter from our President and CEO

Our President, Simón Barquera, and CEO, Johanna Ralston, reflect on a year full of events and milestones in obesity.

Read Post

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.

Find out more