| Title | Date | Legal form | Policy area | Voting result | Yes share | Turnout | Details |
|---|---|---|---|---|---|---|---|
| Anhebung der Mehrwertsteuer zu Gunsten von AHV und IV | 16.05.2004 | Mandatory referendum | Social and societal policy, Public finance |
Rejected | 31.42% | 50.84% | Details |
| 11. AHV-Revision | 16.05.2004 | Optional referendum | Social and societal policy | Rejected | 32.10% | 50.82% | Details |