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Caio Vianna (PSDB) became an alternate for federal deputy for Rio de Janeiro in 2026, with 19,335 votes, according to the final results from Brazil's Superior Electoral Court (TSE). Caio Vianna (Caio Santos Vianna) ran in 5 elections between 2016 and 2026, for federal deputy and mayor. Not listed as elected in any of them in the TSE results. The highest vote was in 2020, for mayor in Campos/RJ: 110,094 votes. In the 2026 campaign for federal deputy for RJ, reported R$ 948 thousand in income: R$ 930 thousand from the Electoral Fund (FEFC), R$ 2 thousand from the Party Fund, R$ 5 thousand from private donations and R$ 11 thousand from own funds. Contracted spending totals R$ 469 thousand, mainly on creation and inclusion of web pages (R$ 170 thousand), content boosting (R$ 83 thousand) and advertising with stickers (R$ 56 thousand). Partial amounts, according to the TSE data of 14/10/2026: the campaign finance report for this election is still in progress. In previous campaigns, already closed, spent R$ 776 thousand in 2022 and R$ 3 million in 2020.
See donors, suppliers and detailed spending of the campaign ›
The votes of Caio Santos Vianna in each election they ran in, from oldest to most recent. All on the same scale (the highest vote recorded); the color shows the office.
The longest bar (the one that goes all the way) is the highest vote recorded for any office, elected or not; it works as a ruler, and all the other bars are proportional to it (the longer the bar, the more votes). What shows whether the person was elected is the fill, not the length: filled (colored) bar = elected; only the dashed outline = not elected; "to the runoff" = went to the runoff. From oldest (top) to newest. Click a bar to see the result of that election. The campaign finance report of each candidacy is in the list below.
Caio Vianna reported income and spending to the TSE in 5 campaigns: mayor in Campos (RJ) in 2016 and 2020, and federal deputy for Rio de Janeiro in 2018, 2022 and 2026. The amounts are those of the time of each campaign, not adjusted for inflation. In the most recent campaign, in 2026, reported R$ 948 thousand in income: R$ 930 thousand from the Electoral Fund (FEFC), R$ 2 thousand from the Party Fund, R$ 5 thousand from private donations and R$ 11 thousand from own funds. Contracted spending totals R$ 469 thousand, mainly on creation and inclusion of web pages (R$ 170 thousand) and content boosting (R$ 83 thousand); R$ 138 thousand has already been paid. In 2022, R$ 776 thousand in spending; in 2020, 72% of the R$ 3 million in spending went to production of radio, television or video programs. 2026 amounts are partial, according to the TSE data of 14/10/2026.
Fundraising, where the money came from:
Source: campaign finance reports filed with the TSE (open data). Radar do Voto has these data from 2006 on in general elections and from 2008 on in municipal elections; earlier campaigns do not appear. 2026: partial amounts, according to the TSE data of 14/10/2026; 2022: TSE data of 13/09/2026; 2020: TSE data of 12/09/2026; 2018: TSE data of 13/09/2026. Contracted spending is the total of the expenses the campaign reported; paid is the part already settled (the TSE only publishes the paid amount from 2018 on). The spending categories are the TSE's; the detail by supplier is in the dashboard. Corporate donations have been prohibited since 2015.
This person's history at the polls, from the most recent candidacy to the oldest.
Federal Deputy · 2026ALTERNATE19,335GRJ · 38 years · White · Higher education, incomplete · Estudante, Bolsista, Estagiário e Assemelhados · PSDB · no. 4512 · see full resultcampaign finance report
Federal Deputy · 2022ALTERNATE36,785GRJ · 34 years · White · Higher education, complete · Empresário · PSD · no. 5589 · see full resultcampaign finance report
Mayor · 2020RunoffNOT ELECTED110,094LCampos, Rio de Janeiro · 32 years · White · Higher education, incomplete · Empresário · PDT · no. 12 · see full resultMayor · 2020First roundTO THE RUNOFF68,732LCampos, Rio de Janeiro · 32 years · White · Higher education, incomplete · Empresário · PDT · no. 12 · see full result
Federal Deputy · 2018ALTERNATE21,017GRJ · 30 years · White · Higher education, incomplete · Empresário · PDT · no. 1203 · see full result
Mayor · 2016NOT ELECTED31,360LCampos, Rio de Janeiro · 28 years · White · Higher education, incomplete · Empresário · PDT · no. 12 · see full resultG é Eleição Geral: presidente, governador, senador e deputados. L é Eleição Local (municipal): prefeito e vereador. De 1933 a 1990 o TSE não publica cargo municipal, então esses anos são todos G.
A candidacy without votes is a registration that did not reach the ballot: according to the TSE data, a registration not approved, a withdrawal, or a running mate, who does not receive individual votes.
The race or color is the one the person declared to the TSE in the registration of each candidacy. The Court started collecting this information in 2014; that is why it does not appear in earlier candidacies.
