Oct. 5, 2014 Held


Federative Republic of Brazil

Election for Senado Federal (Brazilian Federal Senate)


Voter Participation

Cast Votes:114,906,582
Valid Votes:89,351,604
Invalid Votes:25,554,978

Vote Share by Party:

Party Seats Won Seats Change Votes

Brazilian Democratic Movement Party 5 - 12,129,969


Democratic Labour Party (Partido Democr√°tico Trabalhista) 4 - 3,609,643


Brazilian Social Democratic Party 4 - 23,880,078


Brazilian Socialist Party 3 - - 12,123,194


Democrats (Democratas) 3 - 3,515,426


Worker's Party 2 - 15,155,818


Social Democratic Party (PSD) 2 - 7,147,245


Brazilian Labor Party 2 - 2,803,999


Party of the Republic (PR) 1 - 696,462


Brazilian Progressive Party 1 - 1,931,738

Election Results Modified: Mar 11, 2016

General Information

At stake in this election:

  • 27 seats in Brazil’s Federal Senate (Senado Federal)

Description of government structure:

  • Chief of State: President Dilma ROUSSEFF (since 1 January 2011)*
  • Head of Government: President Dilma ROUSSEFF (since 1 January 2011)[i]
  • Assembly: Brazil has a bicameral National Congress (Congresso Nacional) consisting of the Federal Senate (Senado Federal) with 81 seats and the Chamber of Deputies (Camara dos Deputados) with 513 seats.

* The president is both the chief of state and head of government.

Description of electoral system:

  • The President is elected by absolute majority vote through a two-round system to serve a 4-year term.
  • In the Federal Senate (Senado Federal) 81 members are elected by plurality vote in multi-member constituencies to serve 8-year terms.** In the Chamber of Deputies (Camara dos Deputados) 513 members are elected through an open-list proportional representation system to serve 4-year terms.***

** There are 27 multi-member (3 seats) constituencies corresponding to the country's 26 states and the Federal District. One-third of the senators (27 seats) are elected after a four-year period, and two-thirds (54 seats) are elected after the next four-year period. When two-thirds of the seats are to be renewed, each elector votes for two candidates. When one-third is to be renewed, each elector votes for one candidate.

*** There are 27 multi-member constituencies with district magnitude ranging from 8 to 70 seats, based on population.


Election Note:

On Sunday 5 October 2014, Brazil will hold elections for both chambers in the bicameral parliament: The Chamber of Deputies (Camara dos Deputados) and the Federal Senate (Senado Federal).[ii]

Main parties in the electoral race:

*The Democrats were formally known as the Liberal Front Party/Partido del Frente Liberal (PFL)

**Mr. CAMPOS was killed in a plane crash in August 2014.

Last election:

  • The last election to the Chamber of Deputies (Camara dos Deputados) and the Federal Senate (Senado Federal) in Brazil was held on 3 October 2010.[iii] Turnout was 63 percent with 111,038,684 of 135,523,622 people casting ballots.[iv] Results can be found here (Chamber of Deputies) and here (Federal Senate).

Population and number of registered voters:

  • Population: 202,656,788 (July 2014 est )[v]
  • Registered Voters: 135,523,622 (October 2010 )[vi]

Gender Data:

  • Female Population: 102,664,070 (July 2014 est)[i]
  • Is Brazil a signatory to CEDAW: Yes (since 1981)[ii]
  • Has Brazil ratified CEDAW: Yes (1 February 1984)[iii]
  • Gender Quota:  Yes: “Legislative Candidates Quotas” for both the Chamber of Deputies and the Federal Senate[iv]
  • Female Candidates in this election: N/A
  • Number of Female Legislators: 44 (9%) of 513 seats in the Chamber of Deputies (2010) and 13 (16%) of 81 seats in the Federal Senate[v]
  • Human Development Index (HDI) Position: 79[vi]
  • Social Institutions and Gender Index (SIGI) Ranking: 8th out of 86 non-OECD countries (latest rankings are from 2012)[vii]

[i] https://www.cia.gov/library/publications/the-world-factbook/geos/br.html

[ii] https://treaties.un.org/Pages/ViewDetails.aspx?src=TREATY&mtdsg_no=IV-8&chapter=4&lang=en

[iii] https://treaties.un.org/Pages/ViewDetails.aspx?src=TREATY&mtdsg_no=IV-8&chapter=4&lang=en

[iv] http://www.quotaproject.org/uid/countryview.cfm?country=30

[v] http://www.quotaproject.org/uid/countryview.cfm?country=30

[vi] http://www.undp.org/content/undp/en/home/librarypage/hdr/2014-human-development-report/

[vii] http://genderindex.org/ranking

[i] https://www.cia.gov/library/publications/the-world-factbook/geos/br.html

[ii] http://www.electionguide.org/elections/upcoming/

[iii] http://www.electionguide.org/elections/id/991/

[iv] http://www.electionguide.org/elections/id/991/

[v] https://www.cia.gov/library/publications/the-world-factbook/geos/br.html

[vi] http://www.electionguide.org/elections/id/991/

Election Modified: Jun 21, 2024

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With Participation Rates