US/Canada: Rate of Dementia Cases Increasing Every Year

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More than 25 different diseases and conditions can cause dementia; Alzheimer’s disease being the most common cause.

From Nature: The number of US adults who will develop dementia each year was projected to increase from approximately 514,000 in 2020 to approximately one million in 2060. The relative growth in new dementia cases was especially pronounced for Black adults.

US:

Using data from a community-based, prospective cohort study (n = 15,043; 26.9% Black race, 55.1% women and 30.8% with at least one apolipoprotein E4 (APOE ε4) allele), we estimated the lifetime risk of dementia (from age 55 years to 95 years), with mortality treated as a competing event. We applied lifetime risk estimates to US Census projections to evaluate the annual number of incident dementia cases from 2020 to 2060. The lifetime risk of dementia after age 55 years was 42% (95% confidence interval: 41–43). Rates were substantially higher in women, Black adults and APOE ε4 carriers, with lifetime risks ranging from approximately 45% to 60% in these populations. The number of US adults who will develop dementia each year was projected to increase from approximately 514,000 in 2020 to approximately one million in 2060. The relative growth in new dementia cases was especially pronounced for Black adults. These results highlight the urgent need for policies that enhance healthy aging, with a focus on health equity.

Canada:

As of 1 Jan 2025, an estimated 771,939 people are living with dementia.
Every day, more than 414 people develop dementia, which is more than 17 every hour.

By 2030, researchers project that nearly one million people will be living with dementia. And they forecast that more than 1.7 million people in Canada will have dementia by 2050.


Sources:

https://www.nature.com/articles/s41591-024-03340-9

https://alzheimer.ca/en/about-dementia/what-dementia/dementia-numbers-canada

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1. This research was completed before Trumpf won. I bet these numbers will be higher because of him.