Short answer · Medically reviewed summary · Last updated: 2026-05-08
Granuloma annulare is a common benign skin condition with an estimated prevalence between 0.1% and 0.4% in the general population, though exact numbers are difficult to track due to frequent underdiagnosis. While often self-limiting, the condition can persist for years, and currently, 71 individuals living with granuloma annulare are actively sharing their experiences within the DiseaseMaps.org community. What is the prevalence and incidence of granuloma annulare? Because granuloma annulare is often asymptomatic and may resolve without medical intervention, it is considered underdiagnosed, making precise incidence data difficult to establish.
What is the prevalence of Granuloma Annulare?
Prevalence of Granuloma Annulare: how many people are affected worldwide, differences by sex and region, with sources.
Granuloma annulare is a common benign skin condition with an estimated prevalence between 0.1% and 0.4% in the general population, though exact numbers are difficult to track due to frequent underdiagnosis. While often self-limiting, the condition can persist for years, and currently, 71 individuals living with granuloma annulare are actively sharing their experiences within the DiseaseMaps.org community.
What is the prevalence and incidence of granuloma annulare?
Because granuloma annulare is often asymptomatic and may resolve without medical intervention, it is considered underdiagnosed, making precise incidence data difficult to establish. Clinical studies suggest the prevalence is higher than the criteria for "rare" diseases in many regions, yet it remains a significant concern for those experiencing chronic or generalized forms. Unlike ultra-rare genetic disorders, granuloma annulare is frequently encountered in dermatology clinics, though it is often misidentified as other inflammatory skin conditions.
Who is most affected by granuloma annulare?
The demographic distribution of granuloma annulare varies based on the clinical subtype:
- Gender: Females are affected approximately twice as often as males.
- Age: It can occur at any age, but localized granuloma annulare is most common in children and young adults, while the generalized form typically presents in adults.
- Ethnicity: There is no strong evidence linking the condition to specific ethnic groups, though it is reported globally.
Why is accurate data on granuloma annulare challenging to collect?
The primary challenge in mapping the prevalence of granuloma annulare is its tendency to spontaneously regress. Many patients do not seek professional medical care, and primary care physicians may misdiagnose the lesions as ringworm or other dermatoses. Consequently, hospital-based registry data often underestimates the true population burden. Real-world insights from platforms like DiseaseMaps.org help bridge this gap by providing patient-reported data that clinical literature might otherwise overlook.
Next steps
- Consult a board-certified dermatologist to confirm a diagnosis via clinical examination or skin biopsy.
- Monitor your skin for changes and document the progression of lesions to share with your provider.
- Join the DiseaseMaps.org community to connect with the 71 other members living with granuloma annulare to share management strategies.
Medical disclaimer: This information is for educational purposes only and does not constitute professional medical advice, diagnosis, or treatment; always seek the advice of your physician regarding a medical condition.
References
- NIH Genetic and Rare Diseases Information Center (GARD) - Granuloma Annulare overview.
- Orphanet - Rare disease database and clinical information portal.
- Journal of the American Academy of Dermatology - Studies on the epidemiology of inflammatory skin disorders.
- DiseaseMaps.org - Patient-reported community data and experience registry.
