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Diseases » Multiple Sclerosis » Prevalence

Prevalence Statistics for Types of Multiple Sclerosis

Prevalence Statistics for Types of Multiple Sclerosis

The information below shows a list of types of Multiple Sclerosis, 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
Multiple Sclerosis (overall) approx 1 in 700 or 0.14% or 388,571 people in USA 388,571 1-in-700 (NIAID)
Schilder's Disease N/A N/A rare

Prevalence Statistics for Multiple Sclerosis

Prevalance of Multiple Sclerosis:

1-in-700 (NIAID)

Prevalance Rate:

approx 1 in 700 or 0.14% or 388,571 people in USA [about data]

Prevalance of Multiple Sclerosis:

Multiple sclerosis afflicts 1 in 700 people in this country. (Source: excerpt from Understanding Autoimmune Disease: NIAID)

Prevelance statistics about Multiple Sclerosis:

The following statistics relate to the prevalence of Multiple Sclerosis:

  • 300,000 Americans
  • 146,892 people in the USA 1996 1
  • 250,000 to 500,000 cases in the US (Multiple Sclerosis Foundation, NIH, 2004)
  • Estimated 250,000 to 500,000 Americans (NWHIC)

Types of Multiple Sclerosis

For more information about types of Multiple Sclerosis, refer to our section on types of Multiple Sclerosis.

About prevalence:

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

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


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