People living with dementia, worldwide (Alzheimer disease is the most common form)

57 million

people, worldwide

“In 2021, 57 million people were living with dementia worldwide, over 60% of whom live in low-and middle-income countries.”

WHO fact sheet, Dementia, 2026-10-26

Kind of source
Registry or statistics office
Read on
2026-11-06
Daily check
Quote found at the source on 2026-11-06
What to know
The figure is for all dementia, not Alzheimer's alone; WHO says Alzheimer disease 'may contribute to 60–70% of cases'. No Alzheimer-only count was recorded.

Used in

Kept as evidence; no figure on the platform is computed from it yet.