Colombian President Gustavo Petro showed his vote and ignited a fresh political controversy on election day after publicly revealing his marked ballot and showing that he voted for presidential candidate Ivan Cepeda. The gesture immediately fueled debate across Colombia over whether the move was legal, whether it violated principles of presidential neutrality, and whether it could influence voters in one of the country’s most polarized elections in decades.
The incident occurred on the morning of May 31 in Bogota’s Plaza de Bolivar, where Petro cast his vote. After marking the ballot, the president unfolded it in front of cameras, making visible his support for Cepeda and vice-presidential candidate Aida Quilcue. Images quickly spread across social media and national news outlets, becoming one of the most discussed moments of the election day.
Colombian President Gustavo Petro showed his vote: Is it legal for Petro to reveal his vote?
Legally, the answer appears to be yes.
Colombia’s Constitution guarantees the secrecy of the vote, but legal experts and public officials have pointed out that secrecy is a right rather than an obligation. According to comments reported by Colombian media, Attorney General Gregorio Eljach stated that a citizen can voluntarily reveal their vote as long as there is no coercion or pressure on others.
Under that interpretation, Petro did not break any law merely by showing his ballot.
However, the controversy does not end there. Critics argue that Petro is not an ordinary citizen but the sitting president of Colombia. Because of his position, any public display of support for a candidate can be interpreted as political participation by a public official during an active electoral process.
Colombian electoral regulations and the Electoral Guarantees Law establish that public servants must maintain neutrality during campaigns and avoid using their institutional influence to favor specific candidates. Opponents of Petro argue that publicly displaying a vote for Cepeda crossed that line, even if no formal legal violation is ultimately determined.
The ethical debate
The larger question may be ethical rather than legal.
Presidents around the world often endorse candidates from their political movements. In Petro’s case, Cepeda is widely seen as the candidate most closely aligned with the current administration and its reform agenda. Reuters described the election as a referendum on Petro’s presidency and the future of his left-wing policies.
Supporters argue that Petro was simply being transparent about his political preference and exercising the same democratic rights as any voter. They also note that he accompanied the gesture with calls for free voting and respect for democratic participation.
Critics, however, contend that presidents carry a unique institutional responsibility. Even without directly asking people to vote for Cepeda, publicly revealing a marked ballot may send a powerful political signal to supporters, government officials, and undecided voters.
For them, the issue is not whether Petro had the right to show his vote, but whether a head of state should do so while the election is still underway.
Does it help Ivan Cepeda?
Politically, the answer is likely yes, although measuring the exact impact is difficult.
Cepeda has campaigned as the candidate who would continue many of Petro’s reforms, including policies related to taxation, healthcare, and social programs. The two figures are closely associated in the public imagination, making Petro’s endorsement especially meaningful to left-wing voters.
By openly revealing his vote, Petro removed any ambiguity about his preferred successor. For Cepeda’s supporters, the image may serve as a mobilizing symbol and reinforce the narrative that the election is about defending the achievements of the current government.
At the same time, the move could energize opposition voters who see Petro’s administration negatively. Colombia’s 2026 election has become deeply polarized, with candidates such as Abelardo de la Espriella and Paloma Valencia presenting themselves as alternatives to the Petro era.
Ultimately, Petro’s decision to show his vote may not change the outcome on its own. Yet it has reinforced a central reality of Colombia’s presidential race: Even though Petro is not on the ballot, his political legacy remains one of the election’s most powerful forces.