- Each year, approximately one in every five Australians will experience a mental illness
- Mental illnesses are the third leading cause of disability burden in Australia, accounting for an estimated 27% of the total years lost due to disability.
- About 4% of people will experience a major depressive episode in a 12-month period, with 5% of women and 3% of men affected
- Prevalence of mental illness decreases with age, with prevalence greatest among 18-24 year olds
- Limited research suggests that Aboriginal and Torres Strait Islander people experience mental disorders at least as often as other Australians
- In Australia, the prevalence of mental or behavioural disorders among people born overseas is similar to those born in Australia.
- Many violent people have no history of mental disorder and most people with mental illness (90%) have no history of violence