Global burden of young-onset Alzheimer's disease and other dementias: a secondary analysis of the global burden of disease study, 2019.

Unlabelled: The aging of the world population has led to an increase in the epidemiology and burden of Alzheimer's disease and other dementias.

Objective: To describe the global burden of young-onset Alzheimer's disease and other dementias by world region and income through a secondary analysis of the Global Burden of Disease Study 2019.

Methods: This is a descriptive cross-sectional ecological study.