Prevalence and Incidence of Migraine


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About prevalence and incidence statistics: The term 'prevalence' of Migraine usually refers to the estimated population of people who are managing Migraine at any given time. The term 'incidence' of Migraine refers to the annual diagnosis rate, or the number of new cases of Migraine 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.

Prevalance of Migraine: 28 million Americans (NINDS)
Prevalance Rate: approx 1 in 9 or 10.29% or 28 million people in USA [about data]
Undiagnosed prevalence of Migraine: 14 million undiagnosed
Undiagnosed prevalence rate: approx 1 in 19 or 5.15% or 14 million people in USA [about data]
Prevalance of Migraine: Migraine headaches affect 28 million Americans, 75 percent of whom — roughly 21 million people — are women.1 ... 20 million women in the U.S. suffer from headaches; 9 million of whom suffer debilitating migraines.2

Prevelance of Migraine discussion: Despite the fact that 1 in 4 households in the United States have someone affected by migraine headaches, migraine is still not considered by many employers and insurers to be a legitimate medical problem. Migraine, however, can cause significant disability and costs the American taxpayers $13 billion in missed work or reduced productivity annually. 1

Prevelance statistics about Migraine: The following statistics relate to the prevalence of Migraine:

  • 41 per 1000 (NHIS95)
  • 9 million women (NWHIC)
  • 6.2% of population self-reported having migraines in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 3.6% of male population self-reported having migraines in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 8.7% of female population self-reported having migraines in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 1,171,000 people self-reported having migraines in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 334,000 men self-reported having migraines in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)
  • 836,000 women self-reported having migraines in Australia 2001 (ABS 2001 National Health Survey, Australia’s Health 2004, AIHW)


Footnotes:
1. excerpt from Migraine Update: NINDS
2. excerpt from MIGRAINE HEADACHES: NWHIC

Last revision: June 2, 2003

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