What is the prevalence of dementia in the elderly?

Updated: Dec 23, 2019
  • Author: Thomas J Montine, MD, PhD; Chief Editor: Adekunle M Adesina, MD, PhD  more...
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Dementia is most common in elderly individuals, with advancing age being the strongest risk factor. Furthermore, comorbidity is the rule rather than the exception for dementia in elderly persons. [3, 4, 5, 6, 7]  About 47 million people live with dementia globally; by 2050, there will be an almost three-fold increase to an estimated 131 million people afflicted with dementia. [7]

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