Resultado final en el País Vasco
Resultados en Barakaldo
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| PSE-EE | PNV | PP | EB | EA | Aralar | UPyD | |
| 2005 | 18  | 29  | 15 | 3  | -  | 1  | -  | 
| 2009 | 24  | 30  | 13  | 1  | 2 | 4 | 1  | 
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| PSE-EE | PNV | PP | EB | EA | Aralar | UPyD | |
| 2005 | 18.249  | 14.338  | 10.513  | 3.329  | -  | 442  | -  | 
| 2009 | 20.970  | 14.209  | 7.612  | 2.035  | 826  | 1.069  | 1.048  | 
| 2005 | 35,81%  | 28,14%  | 20,63%  | 6,53%  | - | 0,87%  | -  | 
| 2009 | 43,24%  | 29,28%  | 15,69%  | 4,19%  | 1,7%  | 2,20%  | 2,16%  | 
| 1980 | 1984 | 1986 | 1990 | 1994 | |
| PSE-EE | 11092 | 19.081 | 19488 | 15042 | 13.178 | 
| PNV | 11957 | 20.815 | 12193 | 12786 | 12.066 | 
| PP | 2183 | 4.674 | 2.660 | 3820 | 7.290 | 
| HB | 7718 | 7.457 | 9349 | 6896 | 5.033 | 
| EA | - | - | 5.469 | 3056 | 2.183 | 
| IU | 4007 | 1.679 | 685 | 1432 | 7.054 | 
| EE | 3567 | 4.621 | 7234 | 3788 | - | 
| UCD | 4101 | - | 2.909 | 357 | - | 
| Nulos | 565 | 357 | 309 | 284 | 272 | 
| Abst. | 23.437 | 29.633 | 28.760 | 38.592 | 37329 | 
| 1998 | 2001 | 2005 | 2009 | |
| PSE-EE | 16.201 | 17.680 | 18.249 | 20970 | 
| PNV | 12.900 | 19.356 | 14.338 | 14209 | 
| PP | 12.448 | 17.413 | 10.513 | 7612 | 
| HB | 6.040 | 3.441 | 3.518 | - | 
| EA | 1.969 | - | - | 826 | 
| IU | 4.804 | 4.416 | 3.329 | 2035 | 
| EE | - | - | - | - | 
| UCD | - | - | - | - | 
| Nulos | 304 | 297 | 200 | 2.140 | 
| Abst. | 29.407 | 20.200 | 30.951 | 30.588 | 






