It is difficult to indicate when dementia begins because the onset is gradual. However, Young Onset Dementia (YOD) typically occurs before the age of 65 (Alzheimer’s Disease International (ADI) and World Health Organization (WHO), 2012). There is no information on the average age onset in Kenya.

References:

Alzheimer’s Disease International (ADI) and World Health Organization (WHO). (2012). Dementia: A public health priority. United Kingdom. https://www.alzint.org/u/2020/08/Dementia-A-Public-Health-Priority.pdf