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MEXICO
Cámara de Senadores (Senate)
ELECTIONS IN 2012

Compare data for parliamentary chambers in the Last elections module

A historical Archive of past election results for this chamber can be found on a separate page

Parliament name (generic / translated) Congreso de la Unión / Congress of the Union
Structure of parliament Bicameral
Chamber name (generic / translated) Cámara de Senadores / Senate
Related chamber (for bicameral parliaments) Cámara de Diputados / Chamber of Deputies
BACKGROUND
Dates of election / renewal (from/to) 1 July 2012
Purpose of elections The Institutional Revolutionary Party (PRI), which had ruled the country between 1929 and 2000, regained power after 12 years in opposition. It remained the largest party in both chambers but failed to win an outright majority. It took 212 of the 500 seats in the Chamber of Deputies and 52 of the 128 seats in the Senate. Outgoing President Felipe Calderón's National Action Party (PAN) came in second, taking 114 and 38 seats respectively.

Mr. Enrique Peña Nieto, who led a coalition of the PRI and the Green Party of Mexico, won the presidential elections, promising to revive the economy and reduce drug violence. He is due to succeed President Calderón in December 2012.
Date of previous elections: 2 July 2006

Date of dissolution of the outgoing legislature: N/A

Timing of election: Upon normal expiry

Expected date of next elections: July 2018

Number of seats at stake: 128 (full renewal)

Number of candidates: Not available

Percentage of women candidates: Not available

Number of parties contesting the election: 7

Number of parties winning seats: 7

Alternation of power: N/A (presidential system)

Date of the first session of the new parliament: 1 September 2012

Name of the new Speaker: Mr. Ernesto Javier Cordero Arroyo (PAN)
STATISTICS
Voter turnout
Round no 11 July 2012
Number of registered electors
Voters
Blank or invalid ballot papers
Valid votes



Notes
Distribution of seats
Round no 1
Political Group Total Number of women
Institutional Revolutionary Party (PRI) 52 18
National Action Party (PAN) 38 11
Democratic Revolutionary Party (PRD) 22 6
Green Party of Mexico (PVEM) 9 3
Labour Party (PT) 5 2
Others 2 2
Distribution of seats according to sex
Men
Women
Percent of women
86
42
32.81%
Distribution of seats according to age
Distribution of seats according to profession
Comments
Note: "Others" refer to the members of the Citizens' Movement (MC) and the New Alliance Party (NA) who do not belong to any parliamentary groups.

Sources:
Senate (06.09.2012, 01.01.2014, 01.01.2015, 01.01.2017)
http://www.senado.gob.mx/?ver=int&mn=9&sm=2&str=T

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