World Obesity Federation
Driving global efforts to reduce, prevent and treat obesity.
Sign up for updates
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
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
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
Our Members
Our members are organisations representing healthcare professionals, researchers, policy specialists and those with lived experience of obesity.
VIEW OUR MEMBERS
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
View allNews Oct 02, 25
Putting obesity at the centre of the global health agenda at UNGA 80
World Obesity returned from UNGA 80 after a landmark week putting obesity firmly on the global agenda.
Read Post
News Oct 02, 25
From urgency to unity: leaders and advocates chart a path forward
The Global Obesity Forum 2025, hosted by the Global Obesity Coalition, took place in New York ahead of the HLM on NCDs.
Read Post
News Sep 30, 25
Feeding profit: New UNICEF Report exposes how food environments are failing children
A new Child Nutrition Report 2025 from UNICEF lays bare the growing impact of UPFs on children's health.
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 all
Member Oct 24, 25
6th Serbian Congress on Obesity
The Serbian Association for the Study of Obesity will be co-hosting the 6th Serbian Congress on Obesity in October
Read Post
Member Nov 21, 25
Reunion Nacional 2025 SEEDO
The 2025 conference hosted by our member, Sociedad Española de Obesidad (SEEDO) will be held on 21 - 22 November.
Read Post
ICO Jul 15, 26
International Congress on Obesity (ICO) 2026
We are delighted to announce that ICO 2026 will take place from 15–17 July 2026 in Mexico City, Mexico.
Read Post