As people, families, and societies struggle with the rapidly growing challenge of Alzheimer’s disease and dementia, there is an urgent need for robust and sustained responses in countries around the world, ranging from risk reduction to early diagnosis to postdiagnostic support, interventions, and care. Leaders and experts must collaborate across sectors to chart a path forward, especially given the potential for new dementia treatments, diagnostics, and interventions.

To inform this discussion, the pieces in this supplement provide perspectives from leading experts in the field. All 3 of these topics are critical as stakeholders work together to improve care, find a cure, and, most importantly, ensure that all people and families affected by dementia receive the support they need.