| Censo Electoral | Votantes | Abstención | Votos nulos | Votos en blanco |
|---|---|---|---|---|
| 147.452 | 101.189 | 30,19 % | 706 (0,70%) | 1.500 (1,49%) |
| Candidatura | Votos | Porcentaje |
|---|---|---|
| UPN | 29.902 | 29,76% |
| Geroa Bai | 18.037 | 17,95% |
| Podemos | 13.942 | 13,87% |
| EH Bildu | 13.507 | 13,44% |
| PSN | 9.923 | 9,88% |
| PP | 3.887 | 3,87% |
| I-E | 3.779 | 3,76% |
| Ciudadanos | 3.038 | 3,02% |
| Equo | 753 | 0,75% |
| PACMA | 586 | 0,58% |
| UPyD | 489 | 0,49% |
| RCN-NOK | 448 | 0,45% |
| SAIn | 436 | 0,43% |
| LN | 256 | 0,25% |
| Candidatura | Votos | Porcentaje |
|---|---|---|
| UPN | 35.404 | 36,86% |
| NA-BAI2011 | 17.562 | 18,29% |
| Bildu | 11.579 | 12,06% |
| PSN | 11.446 | 11,92% |
| PP | 6.395 | 6,66% |
| I-E | 6.245 | 6,50% |
| ECOLO | 1.364 | 1,42% |
| CDN | 1.300 | 1,35% |
| RCN-NOK | 948 | 0,99% |
| UPyD | 816 | 0,85% |
| SAIn | 544 | 0,57% |
| DNE | 243 | 0,25% |
| IXN | 179 | 0,19% |