SKIN diseases affect more than one-quarter of people worldwide, yet current data may underestimate their true burden.
Skin Diseases Burden Ranks Among Global Priorities
Skin diseases remain one of the most common disease categories worldwide, but current global estimates may fail to capture their full clinical, social, and economic impact. An analysis of Global Burden of Disease (GBD) data from 2000 to 2021 found that skin and subcutaneous diseases, excluding sexually transmitted infections and skin cancers, had a global prevalence of 25.7% in 2021.
This placed skin and subcutaneous diseases sixth among the most prevalent broad disease categories worldwide. They also accounted for a years lived with disability rate of 495.1 per 100,000 person-years, ranking eighth for global disease burden. The findings reinforce that skin diseases are not only common but also a major contributor to disability across age groups and regions.
Acne, Fungal Infections, and Atopic Dermatitis Drive Burden
Across the broader dermatologic landscape, sexually transmitted infections excluding HIV were the most prevalent conditions, affecting 16.8% of the global population. Fungal infections followed at 7.8%, while acne affected 3.04%.
Disease patterns varied by age. Acne, scabies, and atopic dermatitis were more common in children and young adults, while fungal infections, contact dermatitis, and skin cancers were more frequent in older adults. Females had higher prevalence of sexually transmitted infections, acne, and atopic dermatitis.
Regional differences were also pronounced. Infectious skin diseases were more common in Sub-Saharan Africa and tropical regions, while chronic inflammatory and neoplastic skin diseases predominated in high-income regions. From 2000 to 2021, squamous cell carcinoma, basal cell carcinoma, and decubitus ulcers showed increasing prevalence, while atopic dermatitis, scabies, and viral infections declined slightly.
Data Gaps May Hide the True Scale
The analysis highlights major limitations in current global surveillance. GBD includes only selected dermatologic diseases, while underreporting, misdiagnosis, and limited data from low- and middle-income countries likely underestimate the true burden of skin diseases.
Current metrics may also miss psychosocial harms, including effects on mental health, self-esteem, social interactions, and daily responsibilities. The authors emphasized the need for better disease reporting, standardized diagnostic criteria, improved registries, stronger patient-reported measures, and closer collaboration among dermatologists, patients, policymakers, and global health stakeholders.
The recent recognition of skin diseases as a global public health priority underscores a central message: better data are essential to guide prevention, care, workforce training, resource allocation, and future public health strategy.
Reference
Naldi L et al. The worldwide burden of skin diseases: Lessons from the Global Burden of Disease data. J Eur Acad Dermatol Venereol. 2026;doi:10.1111/jdv.70562.
Featured Image: Vittorio Gravino on Adobe Stock.
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