As eleições de Portugal dividem-se em cinco tipos:
Eleições presidenciais Eleições europeias Eleições legislativas Eleições legislativas regionais Eleições autárquicas
Eleições legislativas
Ano%D%D%D%D%D%D%D%D%D%D%D%D%D%D%D%D%DPSPPD/PSDFEPU/APU/CDUCDS-PPMDP/CDEUDPADIMADFRSPRDPSNB.E.PANPàFLCHIL197537,8711626,398112,46307,61164,1450,7910,031197634,8910724,357314,394015,9842APU1,671197927,3374AD18,8047AD2,181<span style="color: #ffffff;">45,261281980FRS16,75411,381<span style="color: #ffffff;">47,5913427,7674198336,1110127,247518,074412,56300,48–198520,775729,878815,49389,96221,27–17,9245198722,246050,2214812,14314,4440,57–0,89–4,917199129,137250,601358,80174,4350,11–0,61–1,681199543,7611234,12888,57159,05150,57–0,21–199944,0611532,32818,99178,34150,21–2,442200237,799640,211056,94128,72142,813200545,0312128,77757,54147,24126,358200936,569729,11817,861510,43219,8116201128,057438,661087,901611,71245,1781,04–201532,3186PàF8,2517PàF10,19191,391<span style="color: #ffffff;">38,361070,73–201936,3510827,77796,34124,2259,52193,3241,0911,2911,291202241,3712029,09774,3061,60–4,4051,5811,2817,18124,918202427,9878AD3,174AD<span style="color: #ffffff;">28,83804,3651,9513,16418,06504,948202522,8358AD2,913AD<span style="color: #ffffff;">31,78911,9911,3814,07622,76605,369
Eleições europeias Ano%ED%ED%ED%ED%ED%ED%ED%ED%ED%ED%EDPPD/PSDPSCDS-PPFEPU/APU/CDUPRDMPTB.E.//PANCHIL198737,451022,48615,40411,5034,441198932,75928,54814,16314,404PS199434,39934,871012,45311,1930,20–0,43–199931,11943,07128,16210,3220,40–1,79–200444,53129,0220,40–4,91133,279200931,71826,5378,36210,6420,67–10,723201431,49812,6937,1524,56127,7371,72–201921,93633,4096,1916,892NC9,8325,0810,88–202432,7584,2010,12–4,34131,7471,24–9,9929,162
Eleições legislativas regionais nos Açores Ano%D%D%D%D%D%D%D%D%D%D%D%D%DPPD/PSDPSCDS-PPPCP/APU/CDUPPM<small>/B.E.CDAPANCHIL197653,832732,82147,5522,17–198057,353027,27124,4713,21–198456,422824,23137,9225,2910,04–198848,572635,48227,0523,8210,15–199253,592836,41212,3014,581199641,002445,82247,3733,481200032,481849,20309,5624,832CDA1,38–0,80–200456,97312,79–0,28–0,97–36,8421200830,271849,92308,7353,1410,4713,302201233,012049,02315,6731,9010,0812,2510,63–201630,901946,43307,1642,6110,9313,6621,44–202033,742139,13255,5131,68–2,3410,1113,8121,9315,0621,931202435,92231,57–2,5411,6519,1952,151<span style="color: #ffffff;">42,0826
Eleições legislativas regionais na Madeira Ano%D%D%D%D%D%D%D%D%D%D%D%D%D%D%D%DPPD/PSDPSCDS-PPUDPPCP/APU/CDUPSNB.E.MPTPNDPTPPANMudançaJPPCHIL197659,632922,3489,5025,1021,83–198065,333515,0056,4615,4823,131198467,654015,3366,1315,5122,731198862,364116,7978,1927,7332,03–199256,873922,51128,0924,6322,9612,411199656,954124,84137,3124,0314,0420,64–200055,954121,04139,7234,7924,6421,73–200453,714427,41197,0425,5123,661200764,243315,4275,3425,4422,9812,2612,081201148,572511,50617,6393,7611,70–1,9313,2716,8732,131201544,3624Mudança13,7175,5423,802Mudança2,071MudançaMudança11,43610,285201939,422135,76195,7631,8011,74–0,35–1,00–1,46–5,4730,43–0,53–202321,30112,7212,2410,51–1,01–2,25111,0358,8842,631<span style="color: #ffffff;">43,1323
Ligações externas