| 1 | Extant Roller Coaster |
| 1 | Defunct Roller Coaster |
| 1 | Extant Amusement Park |
| 0.04 | Roller Coasters per million people (RCMP) |
| 0 | Roller Coasters per 1000 sq mi |
| Location | Roller Coasters | % | Population | RCMP | Area (sq mi) | Density |
|---|---|---|---|---|---|---|
| Alaotra-Mangoro | - | - | 1027110 | - | 10615.344653 | - |
| Amoron'i Mania | - | - | 715027 | - | 6409.430896 | - |
| Analamanga | 1 | 1.000000 | 3348794 | 0.298615 | 6717.221017 | 0.148871 |
| Analanjirofo | - | - | 1035132 | - | 8456.118408 | - |
| Androy | - | - | 733933 | - | 7265.377397 | - |
| Anosy | - | - | 671805 | - | 11466.800149 | - |
| Atsimo-Andrefana | - | - | 1316756 | - | 25803.279251 | - |
| Atsimo-Atsinanana | - | - | 898702 | - | 6395.836805 | - |
| Atsinanana | - | - | 1270680 | - | 8529.424407 | - |
| Betsiboka | - | - | 293522 | - | 11452.167678 | - |
| Boeny | - | - | 799675 | - | 11684.288946 | - |
| Bongolava | - | - | 457368 | - | 6971.884981 | - |
| Diana | - | - | 700021 | - | 7790.859973 | - |
| Haute Matsiatra | - | - | 1199183 | - | 8090.489703 | - |
| Ihorombe | - | - | 312307 | - | 10112.682911 | - |
| Itasy | - | - | 732834 | - | 2498.263513 | - |
| Melaky | - | - | 289594 | - | 15804.872661 | - |
| Menabe | - | - | 592113 | - | 18963.440066 | - |
| Sava | - | - | 980807 | - | 9207.085184 | - |
| Sofia | - | - | 1247037 | - | 19825.688153 | - |
| Vakinankaratra | - | - | 1803307 | - | 6996.221167 | - |
| Vatovavy Fitovinany | - | - | 1416459 | - | 8011.528541 | - |