| 2015 | 2011 | |||
| Botoak | %(*) | Botoak | %(*) | |
| PNV | 359.995 | 25,42 | 333.543 | 23,73 |
| Geroa Bai | 53.034 | 3,74 | 49.827 | 3,55 |
| EH Bildu | 289.987 | 20,47 | 316.189 | 22,50 |
| Irabazi | 29.092 | 2,05 | - | - |
| IE | 12.395 | 0,88 | 18.457 | 1,31 | Podemos | 194.194 | 13,71 | - | - |
| PSOE | 192.126 | 13,56 | 232.166 | 16,52 |
| UPN | 91.329 | 6,45 | 111.474 | 7,93 |
| UPyD | 7.294 | 0,51 | 10.842 | |
| Cs | 32.025 | 2,26 | - | - |
| PP | 113.797 | 8,03 | 177.912 | 12,66 |
| H1 | - | - | 8.662 | 0,62 |
| Aralar | - | - | 37.242 | 2,65 |
| EB | - | - | 35.746 | 2,54 |
| CDN | - | - | 4.654 | 0,33 |
| Besteak | 17.018 | 1,20 | 33.118 | 2,36 |
| Zuriak | 23.313 | 1,65 | 32.864 | 2,34 |
| Baliogabeak | 17.759 | 1,24 | 15.993 | 1,13 |
| Parte-hartzea | 1.434.110 | 70,65 | 1.421.287 | 55,94 |
| Abstentzioa | 415.635 | 29,35 | 786.142 | 44,06 |
*Baliozko boto guztien gaineko portzentajea
