
AI-generated summary
The 2026 elections will define the senators of the Federal District, with two vacancies up for grabs. Some candidates had their registrations rejected by the Electoral Court, but may remain in the ballot box if an appeal is being analyzed, according to TSE rules.
Eleven candidates are competing for the two seats in the Federal District in the Senate in the 2026 elections. Ronaldo Fonseca (PSD) even registered his candidacy, but resigned from the race on September 28th. Avenir Rosa (Democrat) appears with his registration rejected by the Electoral Court. Tiago (Agir) also had his candidacy rejected, but he appeals the decision and remains sub judice. According to the TSE, candidates in this situation can remain on the ballot while the appeal is being analyzed.
See below the numbers of candidates for the Federal Senate by the Federal District, in alphabetical order and with the names displayed in the electronic ballot box.
Follow the results of the 1st round of elections in DF in real time on Folha
Electoral glue: Fill in and print with your candidates’ data
In elections for the Senate, those who obtain the highest votes win. There is no second round. On October 4th, voters will also vote for state deputy, federal deputy, governor and president.
Search for your candidates: search here by name, state or party and access the profile and asset declaration of each candidate for state deputy, federal deputy, senator, governor and president.
Electoral polls: see here the results of electoral polls released during the campaign.

Research commissioned by Globo and Folha de S.Paulo interviewed 2,002 voters aged 16 or over between October 2nd and 3rd, with a margin of error of two percentage points and a confidence level of 95%. The survey was registered with the TSE under protocols RJ-01334/2026 and BR-07933/2026. To win in the first round, a candidate needs 50% of the valid votes plus one vote, excluding blanks, invalid votes and abstentions.

According to the TSE, 83.24% of voters in Baixada Santista and 94.87% in Vale do Ribeira have biometrics registered, totaling more than 1.4 million eligible voters. 2,380 military police officers will provide security. g1 published a guide with rules: mandatory photo ID, ban on electronics, use of 'electoral glue' and applications such as e-Título and Pardal for reporting.

Quaest survey released on the eve of the 1st round shows Delegate André David (Republicans) with 20% and Rogério Carvalho (PT) with 19% leading the dispute for valid votes for the Senate in Sergipe, with 52% undecided in the spontaneous survey.

Quaest survey released this Saturday (3) shows Nicoletti (PL) and Teresa Surita (MDB) technically tied with 26% and 25% of valid votes, respectively, for the Senate in Roraima. Helena da Asatur (PSD) appears with 19% and Chico Rodrigues (PSB) with 15%. The survey interviewed 1,800 voters between October 2 and 3, with a margin of error of 2 percentage points and a confidence level of 95%.

Quaest survey released this Saturday (3) shows Reinaldo Azambuja (PL) with 35% and Capitão Contar (PL) with 32% of the valid votes for the Senate in Mato Grosso do Sul, followed by Soraya (PSB) with 16% and Vander Loubet (PT) with 10%. The survey interviewed 1,800 voters between October 2 and 3, with a margin of error of 2 percentage points and a confidence level of 95%.

Quaest survey released this Saturday shows Carol De Toni (PL) ahead with 30% of the valid votes for the Senate in Santa Catarina, followed by Carlos Bolsonaro (PL) with 24% and Esperidião Amin (PP) with 20%. The two with the most votes win, without a second round. 63% of voters are undecided in the spontaneous poll.