| Recommendation | Electoral share in the National Council elections 2015 | 
|---|---|
| Yes | 7.1% | 
| No | 89.1% | 
| Free vote | 0.9% | 
| unknown | 2.9% | 
| Party | Recommendation | Electoral share in the National Council elections 2015 | 
|---|---|---|
| GPS | Yes | 7.1% | 
| SVP | No | 29.4% | 
| SPS | No | 18.8% | 
| FDP | No | 16.4% | 
| CVP | No | 11.6% | 
| GLP | No | 4.6% | 
| BDP | No | 4.1% | 
| EVP | No | 1.9% | 
| EDU | No | 1.2% | 
| Lega | No | 1.0% | 
| SD | No | 0.1% | 
| FPS | No | 0.0% | 
| KVP | No | 0.0% | 
| PdA | Free vote | 0.9% | 
| Others | unknown | 2.9% |