Dementia statistics - WA

How many people in WA have dementia?

Find out the latest figures from reports commissioned by Alzheimer's Australia WA.

There are 33,300 West Australians with dementia. Without a medical breakthrough, this number is projected to increase rapidly and in less than 10 years, will reach 36,500.

Number of people with dementia in WA:

  • 2016 - 33,300 people with dementia
  • 2020 - 36,500 people with dementia
  • 2050 - 69,000 people with dementia

Dementia across Australia: 2011 - 2050

October 2011
Deloitte Access Economics was commissioned by Alzheimer's Australia to provide updated dementia prevalence estimates and projections for Australia. Specifically this report estimates the number of people with dementia in Australia in 2011, and in the future from 2012 until 2050. These estimates have been broken down nationally and by state and territory, age and by Federal Electoral Divisions.

Projections of dementia prevalence and incidence in WA: 2010 - 2050

May 2010
Alzheimer’s Australia WA commissioned Access Economics to prepare reports of dementia prevalence and incidence in WA, its Department of Health regions, federal electoral divisions, state electoral districts and local government areas.  The reports, released in May 2010, estimate dementia prevalence and incidence between 2010 and 2050.

The 2010 Access Economics Report, "Projections of dementia prevalence and incidence in WA: 2010 - 2050" predicts the most rapid growth in dementia in WA will be in the next 10 years

It found the number of people with dementia in WA will rise from 23,000 to 58,000 by 2030 and to 109,000 by 2050:

  • 375% increase during next 40 years;
  • 18 new cases each day in 2010;
  • 117 new cases each day in 2050; and
  • 1,600 people in WA under the age of 65.

The top 10 Local Government Areas (LGA's) ranked according to dementia prevalence in 2010 are:

  • Stirling
  • Melville
  • Joondalup,
  • Mandurah
  • Wanneroo
  • Rockingham
  • Gosnells
  • Canning
  • Bayswater
  • Swan

Dementia statistics in WA: