Global dementia study reveals 11.4 million new cases in 2023—projected to more than double by 2050

International research has revealed that an estimated 11.4 million people developed dementia in 2023, with projections showing this number will more than double by 2050. The study, published in JAMA Neurology, analyzed data from 38,418 people across 22 population-based studies spanning 18 countries and territories.