Quaest survey shows Daniel Vilela ahead for the government of Goiás with 57% of valid votes

The Quaest survey released this Saturday (3), the eve of the 1st round, shows how the dispute for the government of Goiás is going. The current governor Daniel Vilela (MDB) appears in front with 57% of the valid votes, followed by Wilder Morais (PL) with 20% and Marconi Perillo (PSDB) with 18%.

Valid votes

Daniel Vilela (MDB): 57%

Wilder Morais (PL): 20%

Marconi Perillo (PSDB): 18%

Luis César Bueno (PT): 5%

Danilo Pinheiro Evangelista da Silva (PCO): 0%

Luciana Amorim (UP): 0%

What are valid votes?

This is the way in which the TSE publishes the official results of the elections. These are the votes cast for candidates. This calculation leaves out blank and invalid votes and abstentions. To win in the 1st round, a candidate needs 50% of the valid votes plus one vote.

Daniel Vilela, Wilder Morais and Marconi Perillo — Photo: Diomício Gomes, Guilherme Alves and Weimer Carvalho/O Popular

How does Quaest calculate valid votes?

Quaest takes into account voting intentions from the survey and the turnout profile to estimate valid votes. It is the likely voter model, which considers voters with a greater propensity to vote.

The survey was commissioned by TV Anhanguera and interviewed 2,004 voters aged 16 or over, between October 2nd and 3rd, 2026. The margin of error is two percentage points, plus or minus. The confidence level is 95%. The survey was registered with the Electoral Court under number GO-00674/2026.

Total votes

See now the result with the total votes, including blank votes, invalid votes and undecided voters.

Daniel Vilela (MDB): 47%

Wilder Morais (PL): 17%

Marconi Perillo (PSDB): 15%

Luis Cesar Bueno (PT): 5%

Luciana Amorim (UP): 0%

Danilo Pinheiro Evangelista da Silva (PCO): 0%

Blank/null/will not vote: 7%

Undecided: 9%

Spontaneous search

Now look at the spontaneous survey, in which voters respond without having access to a list of candidates.

These results help to measure the degree of vote consolidation. The greater the number of undecided voters the day before, the less consolidated the vote is and the greater the possibility of changes in relation to Sunday's result.

Daniel Vilela (MDB): 32%

Marconi Perillo (PSDB): 6%

Wilder Morais (PL): 6%

Luis Cesar Bueno (PT): 2%

Luciana Amorim (UP): 0%

Danilo Pinheiro Evangelista da Silva (PCO): 0%

Blank/null/will not vote: 3%

Undecided: 50%

Vote decision

Among voters who declare their vote for a candidate, 84% say the decision is final. Another 16% say they can still change their mind.

Choice is final: 84%

May change: 16%

Don't know/didn't answer: 0%

Interest in the election

Very interested: 40%

Not very interested: 39%

Not interested: 20%

Don't know/didn't answer: 1%

2nd round scenarios

Quaest also simulated 2nd round scenarios. See the numbers:

Daniel Vilela x Marconi Perillo:

Daniel Vilela (MDB): 61%

Marconi Perillo (PSDB): 21%

Blank/null/none: 9%

Undecided: 9%

Daniel Vilela x Wilder Morais:

Daniel Vilela (MDB): 62%

Wilder Morais (PL): 17%

Blank/null/none: 11%

Undecided: 10%

Marconi Perillo x Wilder Morais:

Marconi Perillo (PSDB): 34%

Wilder Morais (PL): 34%

Blank/null/none: 20%

Undecided: 12%

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