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Medical Health Aged Care

Dementia prevalence to double without urgent commitment to brain health

Dementia Australia 3 mins read

ATTN PRESS GALLERY: Professor Tanya Buchanan, CEO, Dementia Australia and Dr Kaele Stokes, Executive Director Services, Advocacy & Research are in Parliament House today and available for interviews.

According to 2025 figures released today, the prevalence of dementia is projected to double within the next 30 years without significant intervention, highlighting the urgent need for a national conversation on dementia and brain health.

Dementia Australia CEO Professor Tanya Buchanan said there are an estimated 433,300 Australians living with dementia in 2025 and it is increasingly being understood as the public health, disability and aged care challenge facing Australia.  

“Dementia Australia’s research clearly shows that there has been a sustained and profoundly concerning lack of awareness and understanding about dementia in the community – with many Australians mistakenly believing dementia is a normal part of ageing,” Professor Buchanan said. 

“Dementia Australia is calling for critical investment from the Federal Government to support a national conversation on brain health, combined with more targeted and effective supports for people impacted by dementia. 

“Taking this dual approach will ensure we are working towards reducing the impact of all forms of dementia.”

Data estimates show:

  • In 2025 there are an estimated 433,300 Australians living with dementia. Without a significant intervention, the number of people with dementia is expected to increase to an estimated 812,500 by 2054 [i].  
  • In 2025 there are an estimated 29,000 people living with younger onset dementia, expected to increase to an estimated 41,000 people by 2054 [ii]. 
  • An estimated 1.7 million people in Australia are involved in the care of someone living with dementia [iii]. 
  • At least half of people living in permanent residential aged care have dementia [iv]. 

Pam Eade, who lives with primary progressive aphasia, said the figures highlight the importance of raising awareness of dementia in our communities. 
 
“The lack of knowledge and understanding in our communities has substantial negative impacts on people living with dementia, their families and carers. Low awareness contributes to discrimination, stigma and isolation. Poor understanding creates barriers to timely diagnosis and to accessing ongoing medical and social care,” Ms Eade said. 

“Raising awareness of dementia and educating people about what they can do to reduce their risk of dementia is of paramount importance for all Australians.”

For more details about 2025 dementia prevalence data local to your Federal, State and Territory electoral divisions, as well as for Local Government Areas, go to dementia.org.au/about-dementia/dementia-facts-and-figures

-Ends-

Dementia Australia is the source of trusted information, education and services for the estimated more than 433,300 Australians living with dementia, and the more than 1.6 million people involved in their care. We advocate for positive change and support vital research. We are here to support people impacted by dementia, and to enable them to live as well as possible. No matter how you are impacted by dementia or who you are, we are here for you.

For support, please contact the National Dementia Helpline on 1800 100 500. An interpreter service is available. The National Dementia Helpline is funded by the Australian Government. People looking for information can also visit dementia.org.au

Media contacts: Gabrielle Prabhu, Media & Communications Manager, 0403 177 754 or [email protected] | David Gear, Media and Communications Advisor, 0427 204 297, [email protected]

When talking or writing about dementia please refer to Dementia-Friendly Language Guidelines.

Note to Editors:
We request, where possible, details for the National Dementia Helpline 1800 100 500 appear alongside news stories about dementia, as these stories often prompt questions or concerns:

If this story has prompted any questions or concerns, please call the National Dementia Helpline 1800 100 500 (24 hours, 7 days a week) or visit dementia.org.au.

[i] Dementia Australia (2023) Dementia Prevalence Data 2024-2054, commissioned research undertaken by the Australian Institute of Health and Welfare.
[i] Dementia Australia (2023) Dementia Prevalence Data 2024-2054, commissioned research undertaken by the Australian Institute of Health and Welfare.
[iii] Based on Dementia Australia’s analysis of the following publications - Department of Health and Aged Care, 2020 Aged Care Workforce Census Report, 2020, p. 6; Australian Institute of Health and Welfare (2022) Dementia in Australia, AIHW, Australian Government, accessed 20 January 2023
[iv] Australian Institute of Health and Welfare (2024) Dementia in Australia, AIHW, Australian Government, accessed 23 July 2024

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