| Año | Participación electoral | Voto total | Registro | Participatión de la PEV | Población en edad para votar (PEV) | Población | Votos no válidos | Voto Obligatorio |
|---|
| 1950-631152000000 | 71,49% | 417.000417000 | 583.300583300 | 30,37% | 1.372,9801372.98 | 2.802,0002802 | Sin Datos | Sí |
| 1954-504921600000 | 69,46% | 485.531485531 | 698.985698985 | 32,50% | 1.494,0101494.01 | 3.049,0003049 | Sin Datos | Sí |
| 1958-378691200000 | 66,85% | 492.274492274 | 736.400736400 | 28,33% | 1.737,5401737.54 | 3.546,0003546 | Sin Datos | Sí |
| 1959-347155200000 | 44,64% | 337.496337496 | 756.000756000 | 18,86% | 1.789,4801789.48 | 3.652,0003652 | 10,10% | Sí |
| 1961-283996800000 | 44,48% | 362.064362064 | 814.000814000 | 19,01% | 1.904,1401904.14 | 3.886,0003886 | 17,50% | Sí |
| 1966-126230400000 | 55,01% | 519.393519393 | 944.170944170 | 23,73% | 2.188,8002188.8 | 4.560,0004560 | 16% | Sí |
| 19700 | 53,26% | 633.979633979 | 1.190,451190.449 | 25,90% | 2.448,0002448 | 5.100,0005100 | 12,50% | Sí |
| 1974126230400000 | 46,35% | 727.174727174 | 1.568,721568.724 | 25,63% | 2.836,8002836.8 | 5.910,0005910 | Sin Datos | Sí |
| 1978252460800000 | 40% | 720.000720000 | 1.8001800 | 22,93% | 3.140,6403140.64 | 6.543,0006543 | Sin Datos | Sí |
| 1982378691200000 | 45,59% | 1.074,391074.392 | 2.356,572356.571 | 30,60% | 3.511,2003511.2 | 7.315,0007315 | Sin Datos | Sí |
| 1985473385600000 | 69,16% | 1.904,241904.236 | 2.753,572753.572 | 49,82% | 3.822,2403822.24 | 7.963,0007963 | 12,60% | Sí |
| 1990631152000000 | 56,44% | 1.808,721808.718 | 3.204,963204.955 | 40,97% | 4.415,0404415.04 | 9.198,0009198 | 14,10% | No |
| 1994757382400000 | 21,01% | 731.357731357 | 3.480,203480.196 | 14,46% | 5.057,7805057.78 | 10.619,00010619 | 12% | No |
| 1995788918400000 | 46,80% | 1.737,031737.033 | 3.711,593711.589 | 33,38% | 5.203,3105203.31 | 10.619,00010619 | 6,40% | No |
| 1999915148800000 | 40,39% | 1.800,681800.676 | 4.458,744458.744 | 31,13% | 5.784,8205784.82 | 11.788,03011788.03 | 3,60% | No |
| 20031041379200000 | 54,50% | 2.764,972764.965 | 5.073,285073.282 | 49,28% | 5.610,4435610.443 | 13.909,38413909.384 | 10,10% | No |
| 20071167609600000 | 60,46% | 3.621,853621.852 | 5.990,035990.029 | 57,19% | 6.332,6466332.646 | 12.728,11112728.111 | 9,40% | No |
| 20111293840000000 | 69,38% | 5.093,235093.23 | 7.340,847340.841 | 69,99% | 7.277,3907277.39 | 13.824,46313824.463 | Sin Datos | No |
