Short answer · Medically reviewed summary · Last updated: 2026-04-06

Diabetes is a common chronic metabolic condition affecting approximately 537 million adults globally, though prevalence figures vary significantly by region and type. Prevalence and Classification While often discussed in the context of global health, Diabetes is not classified as a rare disease. According to the International Diabetes Federation (IDF), the global prevalence continues to rise, with projections suggesting it could affect over 780 million people by 2045.

4 people with Diabetes have shared their first-person experience on this question at DiseaseMaps.

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What is the prevalence of Diabetes?

Prevalence of Diabetes: how many people are affected worldwide, differences by sex and region, with sources.

Prevalence of Diabetes

Diabetes is a common chronic metabolic condition affecting approximately 537 million adults globally, though prevalence figures vary significantly by region and type.



Prevalence and Classification


While often discussed in the context of global health, Diabetes is not classified as a rare disease. According to the International Diabetes Federation (IDF), the global prevalence continues to rise, with projections suggesting it could affect over 780 million people by 2045. It is critical to note that these estimates often rely on clinical diagnostic criteria, meaning the true prevalence is likely higher due to significant rates of undiagnosed cases in many parts of the world.



Incidence and Demographic Distribution


The incidence of Diabetes varies by type: Type 1 typically presents in childhood or adolescence, while Type 2 is increasingly diagnosed in adults, though it is appearing in younger populations more frequently. Regarding gender distribution, data from the NIH and global health registries indicate that while prevalence is generally similar across genders, men are statistically more likely to be diagnosed at a lower body mass index than women. Geographic and ethnic disparities are profound; for instance, populations in low-to-middle-income countries and specific ethnic groups face higher risks due to a complex interplay of genetic predispositions and environmental factors.



Challenges in Data and Community Insights


Accurate reporting is hindered by the silent nature of early-stage disease and inconsistent screening practices. Because many individuals remain asymptomatic for years, clinical data often lags behind reality. At DiseaseMaps.org, our community of 2,527 people living with Diabetes provides a crucial, real-world perspective that complements formal epidemiological data. By sharing their personal experiences, our members help bridge the gap between clinical statistics and the daily reality of managing this condition, highlighting the diverse ways Diabetes impacts lives across different cultures and age groups.



Disclaimer: This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.



References



  • International Diabetes Federation (IDF) Diabetes Atlas

  • NIH National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

  • World Health Organization (WHO) Diabetes Fact Sheets

Author: DiseaseMaps Editorial Team
Reviewed against authoritative medical sources (NIH GARD, Orphanet, OMIM)
Last updated: 2026-04-06
Medical disclaimer: This information does not substitute professional medical advice. Always consult your doctor before making health decisions.
Source: DiseaseMaps.org
5 answers
In 2016 there were 3.6million people diagnosed with diabetes in the UK, a large some of that was people who were obese from the ages of 16 and above

Posted May 28, 2017 by Jenny 2170
The prevalence of diabetes is higher in men than women, but there are more women with diabetes than men

Posted Jul 22, 2017 by Victoria Lovee Warner 2150
21 million people in the US alone have Type 1, and 5% of diabetics are Type 1 or children. Diabetes is more common in men, more so in middle aged men.

Posted Jul 22, 2017 by Alaina 2150
Prevalence the number of people in a given group or population who are reported to have a disease.

Posted Jul 29, 2018 by Stephen 2600

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