An opinion poll was held among the citizens of the Dāsu Gurōraiku Mikuni-Harusutoria. The subject of the opinion poll was Civil Defence is the Government's policy on providing shelters to be used in the event of attacks on major cities, mainly nuclear attacks and bombing. When asked what their opinions were, the following choices were made:
| Percentage | Choice |
| 26.48% | The Government makes no provision for Civil Defence. |
| 22.98% | Local authorities are responsible for building and maintaining shelters. |
| 17.02% | Every public building is required to feature provisions for Civil Defence, but there is no requirement for shelters to be open to the public. |
| 6.86% | Every public building is required to feature provisions for Civil Defence and at least 50% of spaces must be allocated to private citizens. |
| 19.81% | The Government builds and maintains a network of shelters across the nation. |
| 6.84% | No new buildings may be constructed unless they feature provisions for Civil Defence. |