Estimated costs of delirium in Australia in 2016–2017, by age and gender group, £ million or %
| Age/ gender | Financial cost | Well-being cost | Total | % of total | ||
| Delirium | Dementia due to delirium | Delirium | Dementia due to delirium | |||
| Male | ||||||
| <65 | 15.0 | – | 19.5 | – | 34.5 | 1 |
| 65–69 | 8.1 | 7.9 | 12.6 | 5.1 | 33.7 | 1 |
| 70–74 | 57.5 | 22.3 | 26.8 | 18.2 | 124.8 | 3 |
| 75–89 | 81.9 | 48.2 | 43.7 | 67.6 | 241.4 | 6 |
| 80–84 | 124.6 | 67.9 | 89.5 | 126.3 | 408.4 | 10 |
| 85+ | 233.5 | 154.1 | 260.6 | 368.2 | 1016.3 | 24 |
| Female | ||||||
| <65 | 14.7 | – | 18.7 | – | 33.4 | 1 |
| 65–69 | 7.0 | 9.8 | 10.8 | 7.2 | 34.8 | 1 |
| 70–74 | 52.2 | 14.6 | 22.4 | 13.8 | 103.0 | 2 |
| 75–79 | 81.0 | 47.1 | 39.7 | 72.2 | 240.0 | 6 |
| 80–84 | 121.9 | 71.1 | 80.3 | 144.0 | 417.4 | 10 |
| 85+ | 243.3 | 232.9 | 369.4 | 729.0 | 1574.6 | 37 |
| Overall | 1040.8 | 675.7 | 994.1 | 1551.6 | 4262.2 | 100 |
| % of total | 24 | 16 | 23 | 36 | 100 | |