What is the rate of incidence for plaque psoriasis?

Mark Moronell, MD
Cardiology (Cardiovascular Disease)

Scientists believe that at least 10 percent of the general population inherits one or more of the genes that create a predisposition for psoriasis. However, only 2 to 3 percent of the population develops the disease.

About 7.5 million Americans have psoriasis, and more than 150,000 new cases are reported each year.

About 80 percent of people living with psoriasis have plaque psoriasis. This type causes patches of raised, reddish skin covered by silvery-white scales. Patches frequently form on the elbows, knees, and lower back, but can occur anywhere on the skin.

Plaque psoriasis is the most common form of psoriasis. The rate of incidence for psoriasis is high. It is estimated this disorder affects anywhere from one to five percent of the world's population. It is the most common autoimmune disorder in the United States. Roughly 7.5 million Americans have psoriasis.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.