Cens Vots % PSC % CiU % ERC % PP % ICV-EUiA % Altres % Nuls En blanc

Congrés 2008 3.893.172 2.769.064 71,58 1.287.629 46,72 540.758 19,62 182.356 6,62 463.554 16,82 153.370 5,56 86.081 3,12 12.952 42.364

Congrés 2004 4.007.330 3.052.310 76,17 1.268.028 41,66 586.854 19,28 428.986 14,09 485.504 15,95 198.116 6,51 48.368 1,59 8.475 27.979

Congrés 2000 4.033.017 2.572.428 63,78 909.601 35,51 673.558 26,30 131.114 5,12 602.777 23,53 103.778 4,05 104.194 4,07 10.920 36.486

Congrés 1996 3.905.255 2.993.424 76,65 1.203.339 40,32 818.832 27,43 114.195 3,83 548.323 18,37 260.881 8,74 18.779 0,63 8.710 20.365

Congrés 1993 3.752.461 2.842.551 75,75 1.030.053 36,37 851.105 30,05 122.530 4,33 480.204 16,95 240.019 8,47 90.120 3,18 10.291 18.229

Congrés 1989 3.617.948 2.456.966 67,91 903.546 36,98 741.682 30,35 60.642 2,48 257.021 10,52 200.050 8,19 266.461 10,90 13.323 14.241

Congrés 1986 3.576.404 2.459.692 68,78 1.054.135 43,21 728.372 29,85 62.390 2,56 261.166 10,70 101.654 4,17 222.173 9,11 19.897 9.905

Congrés 1982 3.331.611 2.716.289 81,53 1.292.672 48,19 560.555 20,90 99.852 3,72 385.967 14,39 131.314 4,9 201.236 7,50 33.875 10.818