Editing Workers' Cause Party (section)

===Presidential elections===
{| class="wikitable" style="text-align:center"
! rowspan="2" |Election
! rowspan="2" |Candidate
! rowspan="2" |Running mate
! rowspan="2" |Colligation
! colspan="2" |First round
! colspan="2" |Second round
! rowspan="2" |Result
|-
!Votes
!%
!Votes
!%
|-
|[[1998 Brazilian general election|1998]]
|''None''
|''None''
|''None''
| -
| -
| -
| -
| -
|-
|[[2002 Brazilian general election|2002]]
|[[Rui Costa Pimenta]] (PCO)
|[[Pedro Paulo de Abreu]] (PCO)
|''None''
|38,619
|0,05% (#6)
| -
| -
|'''Lost''' {{Nay}}
|-
|[[2006 Brazilian general election|2006]]
|[[Rui Costa Pimenta]] (PCO)
|[[Pedro Paulo Pinheiro]] (PCO)
|''None''
|0
|0% (#8)
| -
| -
|'''Lost''' {{Nay}}
|-
|[[2010 Brazilian presidential election|2010]]
|[[Rui Costa Pimenta]] (PCO)
|[[Edson Dorta Silva]] (PCO)
|''None''
|12,206
|0.01% (#9)
| -
| -
|'''Lost''' {{Nay}}
|-
|[[2014 Brazilian presidential election|2014]]
|[[Rui Costa Pimenta]] (PCO)
|[[Ricardo Machado (politician)|Ricardo Machado]] (PCO)
|''None''
|12,324
|0.01% (#11)
| -
| -
|'''Lost''' {{Nay}}
|-
|[[2018 Brazilian presidential election|2018]]
|''None*''
|''None''
|''None''
| -
| -
| -
| -
| -
|-
|[[2022 Brazilian general election|2022]]
|''None*''
|''None''
|''None''
| -
| -
| -
| -
| -
|-
| colspan="9" |<small>Source: [http://electionresources.org/br/president.php?election=1994&state=BR Election Resources: Federal Elections in Brazil – Results Lookup]</small>*
|}