Cens Vots % PSOE % PP % CiU % ERC % IU % PNB-EAJ % Nuls En blanc

Congrés 2008 33.867.521 25.486.547 75,33 11.052.722 43,64 10.162.681 40,13 771.071 3,04 295.275 1,17 962.128 3,80 303.246 1,20 162.259 284.539

Congrés 2004 34.571.831 26.155.436 75,66 11.026.163 42,59 9.763.144 37,71 835.471 3,23 652.196 2,52 1.284.081 4,96 420.980 1,63 264.137 407.795

Congrés 2000 33.969.640 23.339.474 68,71 7.918.752 34,16 10.321.178 44,52 970.421 4,19 194.715 0,84 1.263.043 5,45 353.953 1,53 158.200 366.823

Congrés 1996 32.531.833 25.172.058 77,38 9.716.006 38,79 9.425.678 37,63 1.151.633 4,60 167.641 0,67 2.639.774 10,54 318.951 1,27 125.782 243.345

Congrés 1993 31.030.511 23.718.816 76,44 9.150.083 38,78 8.201.463 34,76 1.165.783 4,94 189.632 0,80 2.253.722 9,55 291.448 1,24 126.952 188.679

Congrés 1989 29.604.055 20.646.365 69,74 8.115.568 39,60 5.285.972 25,79 1.032.243 5,04 84.756 0,41 1.858.588 9,07 254.681 1,24 152.683 141.795

Congrés 1986 29.117.613 20.524.858 70,49 8.901.718 44,06 5.247.677 25,97 1.014.258 5,02 84.628 0,42 935.504 4,63 309.610 1,53 321.939 121.186

Congrés 1982 26.846.940 21.469.274 79,97 10.127.392 48,11 5.548.107 26,36 772.726 3,67 138.118 0,66 846.515 4,02 395.656 1,88 419.236 98.438