The percentage of older Americans with anemia increases with age, from approximately 7.5% of 65-74 year-olds to nearly 40% of men age 85 and over and nearly 22% of women age 85 and up.

Source: QuickStats: Prevalence of Anemia Among Adults Aged ≥65 Years, by Sex and Age Group — National Health and Nutrition Examination Survey, 2013–2016