World health organization

10 facts on dementia

A pastor supports an elderly person, Dominican Republic
Cathy Greenblat

A new case of dementia is diagnosed every 4 seconds

The total number of new cases of dementia each year worldwide is nearly 7.7 million, implying one new case every four seconds. The number of people with dementia is expected to nearly double every 20 years, to 65.7 million in 2030 and 115.4 million in 2050.

© WHO. All rights reserved.