Those Over Age 55 Have A 42% Risk Of Developing Dementia; New Dementia Cases Will Increase To One Million Cases Per Year By 2060

At age 55, the lifetime risk of developing dementia is 42%. The risk is 4% by age 75 years, 20% by age 85 and more than half of the risk is after age 85 years. The risk was substantially higher, at 45% to 60%, among women, Black adults, and those with a higher genetic risk for Alzheimer’s disease. Among men, the risk of dementia is 35%; among women, the risk is 48%. Between 2020 and 2060, the number of adults who will be newly diagnosed with dementia each year is projected to increase from 514,000 in 2020 to . . .