Share of patients with Alzheimer's disease in the U.S. by age group 2019

In the United States, around 45 percent of Alzheimer’s patients are 75 to 84 years old. Unsurprisingly, only around 3 percent of Alzheimer’s patients are under 65 years. Alzheimer’s disease is a form of dementia which impacts memory, behavior and thinking and can lead to symptoms becoming so severe that patients require support with basic daily tasks. Alzheimer’s remains a relevant problem around the world.

Alzheimer’s disease deaths

Alzheimer’s is currently the sixth leading cause of death in the United States, causing more deaths than diabetes and influenza and pneumonia. While advances in medicine and increased access to treatment and care has caused decreases in many major causes of death, deaths from Alzheimer’s have risen in recent years. For example, from 2000 to 2017, deaths from stroke in the U.S. dropped by almost 13 percent, while deaths from Alzheimer’s increased 145 percent.

Alzheimer’s disease worldwide

Alzheimer’s is not only a problem in the United States but impacts every country around the globe. In 2018, there were an estimated 50 million people living with dementia worldwide. This figure is predicted to increase to some 152 million by the year 2050. Alzheimer’s does not only cause a significant amount of death but also has a significant economic impact. In 2018, cost estimates for Alzheimer’s care worldwide totaled around one trillion U.S. dollars, with this figure predicted to double by the year 2030.

Distribution of Alzheimer's disease patients in the United States as of 2019, by age group

Share of patients with Alzheimer's
Under 65 years3%
65-74 years16%
75-84 years45%
85 years and over36%
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Source

Release date

March 2019

Region

United States

Survey time period

2019

Supplementary notes

Percentages do not total 100 because of rounding.

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Statistics on "Alzheimer's and other dementias"

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