8 billion reasons: how World Obesity Members drove global action in 2026
World Obesity Day 2026 was powered by the collective efforts of Members and partners around the world, transforming the message of 8 billion reasons to act on obesity into meaningful, local action.
Across regions, World Obesity Federation Members brought the campaign to life through community engagement, national advocacy, professional education and public awareness, demonstrating that while obesity is a global challenge, solutions must be rooted in local realities.
Turning a global message into local impact
Under this year’s theme, Members translated global priorities - prevention, access to care, stigma reduction and systems change - into practical, community-led initiatives.
From health screenings and school programmes to national policy dialogues and media campaigns, activities reflected the diversity of contexts in which obesity is experienced - and the many ways action can be taken.
This year, we were delighted to provide seed grants to support nine organisations in organising initiatives for World Obesity Day 2026, based in Brazil, Bulgaria, Cameroon, Czechia, Ghana, Hong Kong, Nepal, Nigeria, and Zambia.
Member-led action around the world
Africa
In Cameroon, the Cameroon Baptist Convention Health Services (CBCHS) delivered a nationwide programme combining awareness campaigns, community screening, workshops and physical activity initiatives, alongside a new workplace wellbeing programme.
In Ghana, the Stroke Association Support Network Ghana (SASNETGHANA) engaged schools and communities through quizzes, radio discussions, public events and health screenings, with a strong focus on early detection and youth engagement.
In Nigeria, the Obesity Society of Nigeria partnered with local organisations to deliver the 'Kick Obesity Out' football tournament, combining sport, education and screening to engage young people and communities.
In Zambia, the Zambia Heart and Stroke Foundation (ZAHESFO) convened national stakeholders to strengthen policy dialogue and reinforce obesity as a priority within the NCD agenda.
Europe
In Bulgaria, the Bulgarian Association for the Study of Obesity and Related Diseases (BASORD), alongside the patient organisation 'Zaedno', hosted events in five cities, bringing together patients, students and healthcare professionals for education, dialogue and free screenings.
In Czechia, Zastavme nadváhu a obezitu ran a nationwide campaign across seven cities, reaching over a million people via public engagement, consultations and media.
In Spain, the Asociación Nacional de Personas que viven con Obesidad (ANPO), addressed the Community of Madrid's Health Committee to push for the recognition of obesity as a disease and the implementation of a Comprehensive Plan to Address Obesity, and co-hosted a national event with the Obesity Alliance to promote integrated care.
Asia
In Hong Kong, the Hong Kong Association for the Study of Obesity led a programme of public education, professional engagement and health screening, strengthening understanding of obesity as a chronic disease.
In Bangladesh, the Bangladesh Endocrine Society delivered seminars and professional education sessions, alongside broader awareness activities to support both clinical and public engagement.
In Nepal, the Health Care Association of Nepal ran an urban, youth-led campaign with national activities focused on awareness, stigma reduction and engagement, contributing to growing recognition of obesity as a public health priority.
In India, United World Against Diabetes (UWAD) organised community awareness sessions with special emphasis on empowering women from rural communities with practical knowledge and guidance to reduce the risk of obesity and NCDs.
In China, the Obesity Prevention and Control Section of the Chinese Nutrition Society (CNS-OPCS) and XJTU-GHI, as well as more than 100 other organisations, collaborated on a nationwide initiative combining summits, training, community outreach and policy engagement, reaching millions of people as part of a coordinated national effort.
In Singapore, the Singapore Association for the Study of Obesity (SASO) and in South Korea, the Society for Korean Obesity and Metabolism Studies hosted expert-led discussions and campaigns to strengthen clinical understanding and promote patient-centred care.
In Malaysia, the Malaysian Association for the Study of Obesity (MASO) organised Obesity Week Malaysia 2026, featuring a series of educational webinars, a nationwide Walk challenge, and a social media campaign.
Americas and the Caribbean
In Brazil, ABESO and Vozes do Advocacy led a broad awareness campaign combining community engagement, media and the illumination of national landmarks. Vozes also requested a Solemn Session in the Chamber of Deputies, aiming to expedite policy implementation and guarantee access to multidisciplinary care. Instituto Cordial convened experts to discuss obesity as a public health priority, and launched the Portuguese edition of the 2026 Global Obesity Atlas.
In Mexico, the Sociedad Mexicana de Obesidad led a nationwide campaign blending education, public engagement and cultural initiatives - including webinars, community events and creative storytelling.
In the Caribbean, the Healthy Caribbean Coalition, with PAHO, convened stakeholders to address childhood obesity and advocate for stronger policy action across food systems and public health.
In Ecuador, Casa de la Diabetes, in partnership with national health authorities, delivered professional education to strengthen integrated approaches to obesity care.
Oceania
In Australia, The Obesity Society hosted a national spotlight series, bringing together experts, advocates and people with lived experience to reduce stigma and promote coordinated action.
The Middle East
In Oman, the Oman Diabetes Association launched the country’s first National Obesity Prevention Week, combining public events, screenings, education and national media engagement.
There are even more events that took place all over the world – take a look at our WOD map and our social media accounts (X, LinkedIn, Instagram) to view more.
A shared message across diverse actions
While activities varied widely - from community walks and sports events to national policy discussions and scientific forums - they were united by a shared message:
Obesity is a complex, chronic disease shaped by systems - and action must reflect this.
Across all regions, Members:
- Challenged stigma and reframed obesity
- Promoted early detection and access to care
- Engaged people with lived experience
- Advocated for healthier environments and policies
8 billion reasons, one global movement
The scale and diversity of Member-led activity in 2026 highlight the strength of World Obesity’s global network - and the power of collective action.
From local communities to national platforms, Members demonstrated that there are 8 billion reasons to act on obesity - and that progress depends on connecting efforts across systems, sectors and societies.
Continuing the momentum
World Obesity Day 2026 built momentum that extends far beyond a single day.
The actions led by Members and partners around the world show what is possible when global ambition meets local leadership - and reinforce the need to continue working towards healthier, more equitable systems for all.
We invite you to explore these activities, connect with our Members, and continue to share your reason to act!
Thank you!
We want to extend a heartfelt thank you to everyone for their support in making World Obesity Day 2026 a success.
MORE ABOUT WORLD OBESITY DAY