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Cámara de Diputados (Chamber of Deputies)

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

Parliament name (generic / translated) Congreso Nacional / National Congress
Structure of parliament Bicameral
Chamber name (generic / translated) Cámara de Diputados / Chamber of Deputies
Related chamber (for bicameral parliaments) Senado / Senate
Dates of election / renewal (from/to) 11 December 2005
Purpose of elections Elections were held for all the seats in the Chamber of Deputies on the normal expiry of the members' term of office.
In the wake of the constitutional reforms of August 2005 which abolished the seats reserved for non-elected senators (See note) parliamentary elections were held in parallel with the presidential election on 11 December 2005. At stake were all 120 seats for the Chamber of Deputies and 20 of the 38 seats in the new Senate. This included the seat vacated by former Christian Democrat senator Jorge Lavandero.

In the previous elections held in 2001 the ruling centre-left Coalition for Democracy (CPD) composed of the Socialist Party (PS) the Christian-Democratic Party of Chile (PDC) the Party for Democracy (PPD) and the Radical Social-Democratic Party (PRSD) won 62 of 120 seats in the Chamber of Deputies and 9 of 18 renewed seats in the Senate. The coalition first came to power in 1990. Its main rival the centre-right Alliance for Chile (APC) composed of the Independent Democratic Union (UDI) and the National Renovation Party (RN) won 57 seats in the Chamber of Deputies and 9 of the 18 renewed seats in the Senate.

The main issues at the 2005 elections were how to deal with crime unemployment health education and poverty. One of the leading presidential candidates former PS defence minister Ms. Michelle Bachelet vowed to implement greater regional trade integration and a better social security and pension system. Her main rival billionaire and former senator Mr. Sebastián Piñera of the RN pledged to modernize the national police force and introduce tough policies on crime. He distanced himself from his partner in the APC coalition Mr. Joaquin Lavín leader of the Independent Democratic Union (UDI). The latter was also a presidential candidate. He had narrowly come second to Mr. Ricardo Lagos in the country's first presidential run-off in 1999. The UDI promised to create one million new jobs by 2011 and combat poverty and inflation.

There were 8.2 million registered voters in the country of 16.2 million inhabitants. As voting is compulsory turnout has been traditionally high. It stood at 86 per cent (Chamber of Deputies) and 87 per cent (Senate) in the 2005 elections.

The CPD fared well in both polls. It obtained the majority in both chambers of parliament for the first time since the return of democracy in 1990 winning 11 of the 20 renewed seats in the Senate. It thereby increased its number of seats to 20 out of 38. In the Chamber of Deputies it secured 65 of the 120 seats including two independents allied to it. The number of seats going to the Alliance for Chile (APC) and allied independents was reduced to 54 in the Chamber of Deputies and 17 in the Senate. One remaining seat in each chamber went to independent candidates.

In the presidential run-offs held on 15 January 2006 the CPD candidate Ms. Michelle Bachelet secured 53.5 per cent of the poll becoming Chile's first woman president.

The new National Congress convened on 11 March 2006 and elected Mr. Antonio Leal as President of the Chamber of Deputies and Mr. Eduardo Frei Ruiz Tagle as President of the Senate.

The nine seats reserved for appointed members as well as the lifetime senatorial appointment held by the former president of the Republic were abolished thus reducing the number of Senate seats from 48 to 38.
Voter turnout
Round no 111 December 2005
Number of registered electors
Blank or invalid ballot papers
Valid votes
7'115'620 (86.56%)
Distribution of votes
Round no 1
Political Group Candidates Votes %
Coalition for Democracy (CPD) 120 3'374'865 51.78
Alliance for Chile (APC) 120 2'522'558 38.70
Independents 8 61'489 0.94
Distribution of seats
Round no 1
Political Group Total
Coalition for Democracy (CPD) 65
Alliance for Chile (APC) 54
Independents 1
Distribution of seats according to sex
Percent of women
Distribution of seats according to age
Distribution of seats according to profession
Preliminary results.
Source: http://elecciones.gob.cl/

The Coalition for Democracy (CPD) is composed of the following parties :
- Christian Democratic Party (PDC) (20 seats)
- Party for Democracy (PPD) (21 seats)
- Socialist Party (PS) (15 seats)
- Radical Party (PRSD) (7 seats)
- Independents allied to the CPD (2 seats)

The Alliance for Chile (APC) is composed of the following parties:
- Independent Democratic Union (UDI) (33 seats)
- National Renovation Party (RN) (19seats)
- Independents allied to the APC (2 seats)

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