elections history
| season | winner | votes | achieved | |
|---|---|---|---|---|
| 70 |  Nippon U21 | 2 | ||
| 69 | Nippon U21 | 1 | Not qualified as group 5th | |
| 68 | Nippon U21 | 1 | ||
| 67 | Nippon U21 | 1 | Not qualified as group 4th | |
| 66 | Nippon U21 | 4 | ||
| 65 | Nippon U21 | 2 | Not qualified as group 3rd | |
| 64 | Nippon U21 | 3 | ||
| 63 | Nippon U21 | 1 | Not qualified as group 4th | |
| 62 | Nippon U21 | 1 | ||
| 61 | Nippon U21 | 1 | Not qualified as group 5th | |
| 60 | Nippon U21 | 1 | ||
| 59 | Nippon U21 | 1 | Not qualified as group 6th | |
| 58 | Nippon U21 | 1 | ||