| Recommendation | Electoral share in the National Council elections 1975 | 
|---|---|
| Yes | 54.2% | 
| No | 17.3% | 
| Free vote | 25.9% | 
| unknown | 2.6% | 
| Party | Recommendation | Electoral share in the National Council elections 1975 | 
|---|---|---|
| FDP | Yes | 22.2% | 
| CVP | Yes | 21.1% | 
| LdU | Yes | 6.1% | 
| LPS | Yes | 2.4% | 
| PdA | Yes | 2.4% | 
| SVP | No | 9.9% | 
| REP | No | 3.0% | 
| SD | No | 2.5% | 
| EVP | No | 2.0% | 
| SPS | Free vote | 24.9% | 
| POCH | Free vote | 1.0% | 
| Others | unknown | 2.6% |