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Changing systems Healthier lives

Let’s put a spotlight on the systems—not people—that need to change.

1.9

biliões

The number of people around the world that will be living with obesity in 2035.

$4.32

trilhão

The estimated global economic impact of overweight and obesity in 2035.

100%

increase

Childhood obesity is expected to increase by 100% between 2020 and 2035.

1 in 4

pessoas

It is expected that 1 in 4 of us will be living with obesity by 2035.

2x

increase

The number of adults living with overweight & obesity is set to double from 2010 to 2035.

Let’s put a spotlight on the systems

For too long, responses to the obesity crisis have been focussed on individuals. It’s time we turn our attention to the systems that are failing us. Health systems, government systems, food systems, the media, and the environments we work and live in. All these systems are contributing to the increasing rates of obesity around the world.

We must work together to call for change to these systems, and people living with obesity must lead this call.  

We must also recognise obesity as a complex, and chronic disease, and one that is also a driver of other diseases. Taking action on obesity is a critical step in reducing the global burden of other chronic diseases including diabetes, heart disease and cancer.

Together, governments, health professionals, advocates and the public can transform our systems, and build a healthier future for people all over the world.

Watch our flagship video!

We’re excited to share our flagship video for World Obesity Day 2025! This powerful film highlights our theme, Changing Systems, Healthier Lives, and showcases why we need to shift the focus from individuals to the failing systems driving the obesity crisis. Press play and get inspired! Together, we can transform health, food, and government systems to build a healthier future for everyone.

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Campaign assets and resources

Help spread the message for World Obesity Day 2025!

Download ready-to-use social media graphics, factsheets, and toolkits to support the campaign. Access them here and join the movement to drive change. Share, post, and advocate for healthier systems!

 

OUR RESOURCES
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World Obesity Atlas 2025

Overweight, obesity and non-communicable diseases 

On 4 March we launched the 2025 Atlas featuring:

  • New global, regional and national estimates of the prevalence of overweight and obesity in adults from 2000 to 2030
  • New estimates for the contribution of high body mass index to leading non-communicable diseases in adults
  • New comparisons of country policy responses and health service preparation
  • Plus 199 national scorecards for adult overweight, non-communicable disease, and policy responses. 
ATLAS 2025

Walk for WOD 2025

Join us once again for Walk for WOD and help raise awareness about obesity and the need for systemic change. This initiative is all about community, movement, and advocacy—every step counts!

Whether you walk alone or with a group, what matters is taking part. 

CONTACT US
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THE WOD MAP

Events, activities and discussions about obesity are taking place worldwide. Find out what is happening near you on our interactive map. You can share your own events using the form below the map.

wod map

Tomar medidas hoje

Os nossos parceiros

While our supporters have contributed to the funding of the World Obesity Day 2025 campaign, they have no influence on content or execution of the campaign. All activities and materials are developed and created solely by World Obesity Federation in collaboration with our Global Advisory Group and an independent communications agency.