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Diseases » Spinal Muscular Atrophy » Prevalence

Prevalence and Incidence of Spinal Muscular Atrophy

Prevalance of Spinal Muscular Atrophy:

1 per 6,000 - 10,000 people suffer from spinal muscular atrophy, Genetics Home Reference website ... see also overview of Spinal Muscular Atrophy.

Prevalance Rate:

approx 1 in 6,000 or 0.02% or 45,333 people in USA [Source statistic for calcuation: "1 per 6,000 - 10,000 people suffer from spinal muscular atrophy, Genetics Home Reference website" -- see also general information about data sources]

Prevalance of types of Spinal Muscular Atrophy:

For details see prevalence of types of Spinal Muscular Atrophy analysis; summary of available prevalence data:

Spinal Muscular Atrophy: Rare Disease

Spinal Muscular Atrophy is listed as a "rare disease" by the Office of Rare Diseases (ORD) of the National Institutes of Health (NIH). This means that Spinal Muscular Atrophy, or a subtype of Spinal Muscular Atrophy, affects less than 200,000 people in the US population.

Ophanet, who are a consortium of European partners, currently defines a condition rare when if affects 1 person per 2,000. They list Spinal Muscular Atrophy as a "rare disease". More information about Spinal Muscular Atrophy is available from Orphanet

More Statistics about Spinal Muscular Atrophy:

  • Hospitalization statistics
  • All statistics for Spinal Muscular Atrophy

    About prevalence and incidence statistics:

    The term 'prevalence' of Spinal Muscular Atrophy usually refers to the estimated population of people who are managing Spinal Muscular Atrophy at any given time. The term 'incidence' of Spinal Muscular Atrophy refers to the annual diagnosis rate, or the number of new cases of Spinal Muscular Atrophy diagnosed each year. Hence, these two statistics types can differ: a short-lived disease like flu can have high annual incidence but low prevalence, but a life-long disease like diabetes has a low annual incidence but high prevalence. For more information see about prevalence and incidence statistics.


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