This statistic shows the estimated number of annual global dementia incident cases among older people as of 2015, by age group. Over 9.9 million new cases of dementia are expected each year worldwide, implying one case every 3.2 seconds.
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Annual global dementia incident cases among older people as of 2015, by age group
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Alzheimer's Disease International. (August 25, 2015). Annual global dementia incident cases among older people as of 2015, by age group [Graph]. In Statista. Retrieved June 26, 2025, from https://www.statista.com/statistics/471531/global-dementia-annual-incident-cases-among-old-aged-people/
Alzheimer's Disease International. "Annual global dementia incident cases among older people as of 2015, by age group." Chart. August 25, 2015. Statista. Accessed June 26, 2025. https://www.statista.com/statistics/471531/global-dementia-annual-incident-cases-among-old-aged-people/
Alzheimer's Disease International. (2015). Annual global dementia incident cases among older people as of 2015, by age group. Statista. Statista Inc.. Accessed: June 26, 2025. https://www.statista.com/statistics/471531/global-dementia-annual-incident-cases-among-old-aged-people/
Alzheimer's Disease International. "Annual Global Dementia Incident Cases among Older People as of 2015, by Age Group." Statista, Statista Inc., 25 Aug 2015, https://www.statista.com/statistics/471531/global-dementia-annual-incident-cases-among-old-aged-people/
Alzheimer's Disease International, Annual global dementia incident cases among older people as of 2015, by age group Statista, https://www.statista.com/statistics/471531/global-dementia-annual-incident-cases-among-old-aged-people/ (last visited June 26, 2025)
Annual global dementia incident cases among older people as of 2015, by age group [Graph], Alzheimer's Disease International, August 25, 2015. [Online]. Available: https://www.statista.com/statistics/471531/global-dementia-annual-incident-cases-among-old-aged-people/