
Adults over 40 years who would not want to know if they had dementia U.S. 2021
In the United States, about 81 percent of adults age 40 years and older indicated that they would want to know if they had dementia, whereas 8 percent stated that they would prefer to not know that they had dementia. This statistic shows the percentage of adults age 40 and older who would not want to know if they had dementia in the U.S. in 2021.