Dementia has become the leading cause of death in Australia, according to a new report by the Australian Institute of Health and Welfare (AIHW).
The report also predicts that 1.1 million Australians will have dementia by 2065, assuming cases increase at the same rate.
The latest update, published today, included data from the Australian Bureau of Statistics (ABS) and the National Mortality Database.
Dementia
Dementia describes a group of symptoms caused by disorders that impact brain function.
Alzheimer’s disease is the most common form of dementia.
The AIHW estimates there were 425,000 Australians with dementia in 2024, representing around 1.5% of the total population. It is more common in women than men.
Dementia is more common in people over 65, but it is possible to develop it earlier.
Findings
The AIHW found dementia was the leading cause of death in Australia in 2023, overtaking heart disease. It accounted for almost 17,400 deaths, or about one in 10.
The update also revealed that 43% of dementia cases in Australia can be attributed to six health behaviours:
- being overweight or obese,
- lack of physical activity,
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- high blood sugar,
- high blood pressure in middle age,
- smoking,
- and impaired kidney function.
Carers
The AIHW also analysed data relating to carers of people with dementia.
They found there are at least 101,900 Australians performing unpaid care work for people with dementia.
On average, primary carers provide at least 60 hours of care per week.
The Federal Government has a Dementia Action Plan, which includes a commitment to better support carers.
Response
Dementia Australia – the peak body for people with dementia and their families – has called on the Government to increase funding for dementia awareness and intervention.
CEO Professor Tanya Buchanan said the report highlights the large impact of the syndrome on Australian families.
“It is more pressing than ever that the Federal Government commit to funding a national conversation on dementia,” she said.
