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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Answer

Answer

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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