| 208 | Extant Roller Coasters |
| 362 | Defunct Roller Coasters |
| 130 | Extant Amusement Parks |
| 124 | Defunct Amusement Parks |
| 1.63 | Roller Coasters per million people (RCMP) |
| 1.45 | Roller Coasters per 1000 sq mi |
| Location | Roller Coasters | % | Population | RCMP | Area (sq mi) | Density |
|---|---|---|---|---|---|---|
| Kumamoto | 9 | 0.043269 | 1786969 | 5.036461 | 2922.497530 | 3.079558 |
| Gunma | 5 | 0.024038 | 1973476 | 2.533601 | 2458.825172 | 2.033491 |
| Ishikawa | 3 | 0.014423 | 1154343 | 2.598881 | 1635.131242 | 1.834715 |
| Aomori | 2 | 0.009615 | 1308649 | 1.528294 | 3729.299980 | 0.536294 |
| Nagano | 2 | 0.009615 | 2099759 | 0.952490 | 5242.809360 | 0.381475 |
| Gifu | 3 | 0.014423 | 2032533 | 1.475991 | 4094.496726 | 0.732691 |
| Fukushima | 1 | 0.004808 | 1913606 | 0.522574 | 5302.339877 | 0.188596 |
| Miyazaki | 3 | 0.014423 | 1104377 | 2.716464 | 2967.183807 | 1.011060 |
| Toyama | 1 | 0.004808 | 1066883 | 0.937310 | 1648.286177 | 0.606691 |
| Kagawa | 4 | 0.019231 | 976756 | 4.095189 | 666.954505 | 5.997411 |
| Tokushima | 2 | 0.009615 | 756063 | 2.645282 | 1594.649920 | 1.254194 |
| Kagoshima | - | - | 1648752 | - | 3529.744304 | - |
| Ehime | - | - | 1385840 | - | 2220.828400 | - |
| Chiba | 9 | 0.043269 | 6224027 | 1.446009 | 1947.529440 | 4.621240 |
| Yamanashi | 6 | 0.028846 | 835165 | 7.184209 | 1726.146481 | 3.475951 |
| Hyōgo | 11 | 0.052885 | 5536989 | 1.986639 | 3236.701118 | 3.398522 |
| Shiga | - | - | 1413184 | - | 1551.259360 | - |
| Mie | 20 | 0.096154 | 1815827 | 11.014265 | 2231.046687 | 8.964402 |
| Osaka | 11 | 0.052885 | 8838908 | 1.244498 | 738.653667 | 14.891959 |
| Fukuoka | 1 | 0.004808 | 5102871 | 0.195968 | 1935.114035 | 0.516765 |
| Tokyo | 9 | 0.043269 | 13513734 | 0.665989 | 695.470408 | 12.940881 |
| Saitama | 6 | 0.028846 | 7261271 | 0.826302 | 1465.190615 | 4.095030 |
| Nara | 1 | 0.004808 | 1365008 | 0.732596 | 1422.429232 | 0.703023 |
| Ōita | 8 | 0.038462 | 1166729 | 6.856777 | 2450.891959 | 3.264118 |
| Kanagawa | 6 | 0.028846 | 9127323 | 0.657367 | 920.403943 | 6.518877 |
| Hokkaido | 18 | 0.086538 | 5383579 | 3.343501 | 30086.447429 | 0.598276 |
| Tochigi | 10 | 0.048077 | 1974671 | 5.064135 | 2471.922713 | 4.045434 |
| Fukui | 1 | 0.004808 | 787099 | 1.270488 | 1635.059134 | 0.611599 |
| Aichi | 15 | 0.072115 | 7484094 | 2.004251 | 1990.041779 | 7.537530 |
| Shizuoka | 7 | 0.033654 | 3701181 | 1.891288 | 3091.683176 | 2.264139 |
| Okayama | 6 | 0.028846 | 1922181 | 3.121454 | 2803.789569 | 2.139961 |
| Wakayama | 4 | 0.019231 | 963850 | 4.150023 | 1796.404840 | 2.226670 |
| Kyoto | - | - | 2610140 | - | 1784.996603 | - |
| Yamagata | 2 | 0.009615 | 1122957 | 1.781012 | 3611.112896 | 0.553846 |
| Niigata | 2 | 0.009615 | 2305098 | 0.867642 | 4897.013034 | 0.408412 |
| Hiroshima | 4 | 0.019231 | 2844963 | 1.405994 | 3255.579239 | 1.228660 |
| Ibaraki | 4 | 0.019231 | 2917857 | 1.370869 | 2356.845107 | 1.697184 |
| Miyagi | 5 | 0.024038 | 2334215 | 2.142048 | 2787.157417 | 1.793942 |
| Yamaguchi | 2 | 0.009615 | 1405007 | 1.423480 | 2363.123120 | 0.846338 |
| Akita | 1 | 0.004808 | 1022839 | 0.977671 | 4491.932970 | 0.222621 |
| Iwate | 2 | 0.009615 | 1279814 | 1.562727 | 5877.469356 | 0.340283 |
| Okinawa | - | - | 1434138 | - | 905.307127 | - |
| Saga | 2 | 0.009615 | 833245 | 2.400254 | 948.572201 | 2.108432 |
| Kōchi | - | - | 728461 | - | 2720.876107 | - |
| Nagasaki | - | - | 1377780 | - | 1624.257400 | - |
| Shimane | - | - | 694188 | - | 2584.437378 | - |
| Tottori | - | - | 573648 | - | 1343.358996 | - |