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Diseases » Skin conditions » Prevalence

Prevalence Statistics for Types of Skin conditions

The information below shows a list of types of Skin conditions, with information as to the prevalence of each of these types. Estimates of the people affected are calculated based on the available statistic.

Disease	Prevalence Estimate	US people estimate	Statistic Used for Calculation
Acne	approx 1 in 16 or 6.25% or 17 million people in USA	17,000,000	17 million Americans, almost 85% of people 12-24 years of age.
Skin infection	N/A	N/A	No information
Psoriasis	approx 1 in 49 or 2.02% or 5.5 million people in USA	5,499,999	5.5 million people in the USA (NIAMS)
Skin rash	N/A	N/A	No information
Dermatitis	approx 1 in 30 or 3.30% or 8 million people in USA	8,975,999	33 per 1000 (NHIS95)
Contact dermatitis	N/A	N/A	No information
Atopic dermatitis	N/A	N/A	No information
Eczema	approx 1 in 18 or 5.51% or 15 million people in USA	14,999,999	15 million people (NIAMS); 10% infants/children estimated (NIAMS); 9% (NIAID); 8.5 million
Warts	N/A	N/A	No information
Herpes zoster	N/A	N/A	No information
Seborrheic keratosis	N/A	N/A	No information
Skin tumor	N/A	N/A	No information
Hair disorder	N/A	N/A	No information
Hair follicle disorders	N/A	N/A	No information
Herpes simplex	N/A	N/A	No information
Vitiligo	approx 1 in 136 or 0.74% or 2 million people in USA	1,999,999	2 to 5 million people in the USA (1-2% worldwide); 1,059,560 people in the USA 1996 ¹
Pityriasis rubra pilaris (PRP)	N/A	N/A	No information
Actinic keratosis	N/A	N/A	No information
Albinism	N/A	N/A	No information
Allergies	approx 1 in 5 or 18.38% or 50 million people in USA	49,999,999	50-60 million (NIAID); 9-16% (NIAID); 50 million cases annually (NIAID); 10% of American women (NHWIC); 8,526,000 children respiratory allergies (NHIS-97); 7,304,000 children non-respiratory allergies (NHIS-97)
Alopecia Areata	N/A	N/A	No information
Anthrax	N/A	N/A	No information
Autoimmune Urticaria	N/A	N/A	No information
Barber's rash	N/A	N/A	No information
Behcet's Disease	N/A	N/A	rare in the USA; more common in Middle East, Asia, and Japan.
Blue veins	N/A	N/A	No information
Boil	N/A	N/A	No information
Bullous Pemphigoid	N/A	N/A	No information
Burns	N/A	N/A	No information
Callus	approx 1 in 40 or 2.50% or 6.8 million people in USA	6,800,000	25 per 1000 - NHIS95 (trouble with corns or calluses)
Candidiasis	N/A	N/A	No information
Carbuncle	N/A	N/A	No information
Carotenemia	N/A	N/A	No information
Cellulitis	N/A	N/A	No information
Chilblain	N/A	N/A	No information
Cold sores	approx 1 in 2 or 50.00% or 136 million people in USA	136,000,000	estimated 50 to 80% of Americans have HSV-1
Corns	approx 1 in 40 or 2.50% or 6.8 million people in USA	6,800,000	25 per 1000 - NHIS95 (trouble with corns or calluses)
Cradle Cap	N/A	N/A	No information
Cutaneous Anthrax	N/A	N/A	No information
Cutaneous diphtheria	N/A	N/A	No information
Cutaneous mastocytosis	N/A	N/A	rare
Dermatitis herpetiformis	N/A	N/A	No information
Dermoid cyst	N/A	N/A	No information
Discoid lupus erythematosus	N/A	N/A	No information
Dry skin	approx 1 in 32 or 3.10% or 8.4 million people in USA	8,431,999	31 per 1000 - NHIS95 (trouble with dry/itching skin)
Elephantiasis	N/A	N/A	No information
Erythema	N/A	N/A	No information
Erythema multiforme	N/A	N/A	No information
Erythema nodosum	N/A	N/A	No information
Erythrasma	N/A	N/A	No information
Erythroderma	N/A	N/A	No information
Erythromelalgia	N/A	N/A	No information
Exfoliative dermatitis	N/A	N/A	No information
Genital warts	N/A	N/A	No information
Granuloma annulare	N/A	N/A	No information
Hives	N/A	N/A	No information
Human Papillomavirus	approx 1 in 13 or 7.35% or 20 million people in USA	19,999,999	20 million Americans currently infected (NIAID; CDC 2001)
Ichthyosis	N/A	N/A	No information
Impetigo	N/A	N/A	No information
Incontinentia Pigmenti	approx 1 in 388,571 or 0.00% or 700 people in USA	700	700 - 1,000 cases of incontinentia pigmenti have been reported, Genetics Home Reference website
Intertrigo	N/A	N/A	No information
Jaundice	N/A	N/A	No information
Kaposi's Sarcoma	N/A	N/A	No information
Keratosis	N/A	N/A	No information
Lichen planus	N/A	N/A	No information
Lichen sclerosis	N/A	N/A	rare
Lipoma	N/A	N/A	No information
McCune-Albright Syndrome	N/A	N/A	No information
Melanoma	N/A	N/A	No information
Moles	N/A	N/A	common; most people have 10-40 moles.
Molluscum contagiosum	N/A	N/A	Common.
Mycosis fungoides	N/A	N/A	No information
Necrotizing fasciitis	N/A	N/A	No information
Neurodermatitis	N/A	N/A	No information
Neurofibromatosis-1	approx 1 in 3,000 or 0.03% or 90,666 people in USA	90,666	1 per 3,000 - 4,000 people suffer from neurofibromatosis type 1 worldwide, Genetics Home Reference website
Open Wound	N/A	N/A	No information
Pemphigus	N/A	N/A	No information
Pemphigus Foliaceus	N/A	N/A	No information
Pemphigus Vulgaris	N/A	N/A	No information
Photosensitivity	N/A	N/A	No information
Porphyria	N/A	N/A	No information
Reflex sympathetic dystrophy syndrome	N/A	N/A	No information
Rhinophyma	N/A	N/A	No information
Rosacea	approx 1 in 20 or 4.78% or 13 million people in USA	13,000,000	13 million people in the United States (NIAMS)
Sarcoidosis	approx 1 in 5,000 or 0.02% or 54,400 people in USA	54,399	20 per 100,000 overall; 5 in 100,000 white people; 40 out of 100,000 black people; Scandinavia 64 out of 100,000 people
Scabies	N/A	N/A	common
Sclerodactyly	N/A	N/A	No information
Scleroderma	approx 1 in 906 or 0.11% or 300,000 people in USA	300,000	estimated 300,000 Americans (NWHIC)
Sebaceous cyst	approx 1 in 200 or 0.50% or 1.4 million people in USA	1,360,000	5 per 1000 - NHIS95
Skin allergies	N/A	N/A	No information
Sporotrichosis	N/A	N/A	No information
Stevens-Johnson Syndrome	N/A	N/A	No information
Tinea	N/A	N/A	No information
Urticaria	N/A	N/A	No information

Types of Skin conditions

For more information about types of Skin conditions, refer to our section on types of Skin conditions.

About prevalence:

The medical term 'prevalence' of Skin conditions usually refers to the estimated population of people who are managing Skin conditions at any given time, whereas the annual diagnosis rate of new cases of Skin conditions is called the 'incidence'. For more information on prevalence and incidence statistics, see about prevalence and incidence statistics.

Footnotes:
1. Rose and Mackay, 1998, The Autoimmune Diseases, Third Edition