| 39 | Extant Roller Coasters |
| 45 | Defunct Roller Coasters |
| 21 | Extant Amusement Parks |
| 13 | Defunct Amusement Parks |
| 1.60 | Roller Coasters per million people (RCMP) |
| 0.01 | Roller Coasters per 1000 sq mi |
| Location | Roller Coasters | % | Population | RCMP | Area (sq mi) | Density |
|---|---|---|---|---|---|---|
| Victoria | 6 | 0.153846 | 6430000 | 0.933126 | 87818.787683 | 0.068323 |
| Tasmania | - | - | 518500 | - | 26284.545897 | - |
| Western Australia | 2 | 0.051282 | 2613700 | 0.765199 | 977626.252652 | 0.002046 |
| Northern Territory | - | - | 244000 | - | 522151.144587 | - |
| South Australia | 2 | 0.051282 | 1706500 | 1.171989 | 380460.864842 | 0.005257 |
| Australian Capital Territory | - | - | 397397 | - | 910.500269 | - |
| New South Wales | 9 | 0.230769 | 7955900 | 1.131236 | 309467.848584 | 0.029082 |
| Queensland | 20 | 0.512821 | 4827000 | 4.143360 | 669676.257321 | 0.029865 |
| Jervis Bay Territory | - | - | 391 | - | 26.316761 | - |