Madrilenian parliamentary election, 2011

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Madrilenian parliamentary election, 2011
Community of Madrid
2007 ←
22 May 2011 → 2015

All 129 seats in the Assembly of Madrid
65 seats needed for a majority
Opinion polls
Registered 4,622,750 Increase3.7%
Turnout 2,993,235 (65.9%)
Decrease1.4 pp
  First party Second party
  Esperanza Aguirre 2011d (cropped).jpg Tomás Gómez (2012) (cropped).jpg
Leader Esperanza Aguirre Tomás Goméz
Leader since 16 October 2002 27 July 2007
Last election 67 seats, 53.3% 42 seats, 33.6%
Seats won 72 36
Seat change Increase5 Decrease6
Popular vote 1,548,306 786,297
Percentage 51.7% 26.3%
Swing Decrease1.6 pp Decrease7.3 pp

  Third party Fourth party
  Gregorio Gordo Pradel político Izquierda Unida (IU) (cropped).jpg Luis de Velasco Rami 2011b (cropped).jpg
Leader Gregorio Gordo Luis de Velasco Rami
Party IU UPyD
Leader since 20 March 2009 23 October 2010
Last election 11 seats, 8.9% Did not contest
Seats won 13 8
Seat change Increase2 Increase8
Popular vote 287,707 189,055
Percentage 9.6% 6.3%
Swing Increase0.7 pp New party

President before election

Esperanza Aguirre

Elected President

Esperanza Aguirre

The 2011 Madrilenian parliamentary election was held on Sunday, 22 May 2011, to elect the 9th Assembly of Madrid, the regional legislature of the Spanish autonomous community of Madrid. At stake were all seats in the Assembly, determining the President of the Community of Madrid. The number of members increased from 120 to 129 compared to the previous election.

The election was won by the People's Party (PP) which had formed the regional government since the 1995 election. In total, the PP under incumbent President Esperanza Aguirre won 72 seats, although the party's overall vote share decreased. In contrast, the Spanish Socialist Workers' Party (PSOE) under former Mayor of Parla Tomás Goméz had their worst result in terms of votes and seats up until that date. The third largest party, United Left (IU), polled their highest vote share since 1995. Union, Progress and Democracy (UPyD), a party formed after the 2007 election, surpassed the 5% threshold and entered the Assembly for the first time.

Electoral system[edit]

The number of seats in the regional Assembly was determined by the population count, with 1 seat per each 50,000 inhabitants or fraction greater than 25,000, according to the most updated census data.[1] As the updated population census for the 2011 election was the corresponding to year 2010 (6,458,684), the Assembly size was set to 129 seats.[2]

All Assembly members were elected in a single multi-member district, consisting of the Community's territory (the province of Madrid), using the D'Hondt method and a closed-list proportional representation system. Voting was on the basis of universal suffrage in a secret ballot. Only lists polling above 5% of valid votes in all of the community (which include blank ballots—for none of the above) were entitled to enter the seat distribution.[3]

Opinion polls[edit]


Poll results are listed in the table below in reverse chronological order, showing the most recent first. The highest percentage figure in each polling survey is displayed in bold, and the background shaded in the leading party's colour. In the instance that there is a tie, then no figure is shaded. The lead column on the right shows the percentage-point difference between the two parties with the highest figures. Poll results use the date the survey's fieldwork was done, as opposed to the date of publication. However, if such date is unknown, the date of publication will be given instead.

Seat projections[edit]

Opinion polls showing seat projections are displayed in the table below. The highest seat figures in each polling survey have their background shaded in the leading party's colour. In the instance that there is a tie, then no figure is shaded. 65 seats were required for an absolute majority in the Madrid Assembly.


Summary of the 22 May 2011 Madrid Assembly election results
Assembly of Madrid election, 2011 results.svg
Party Vote Seats
Votes  % ±pp Won +/−
People's Party (PP) 1,548,306 51.73 Decrease1.56 72 Increase5
Spanish Socialist Workers' Party (PSOE) 786,297 26.27 Decrease7.30 36 Decrease6
United Left of the Madrid Community-The Greens (IUCM-LV) 287,707 9.61 Increase0.75 13 Increase2
Union, Progress and Democracy (UPyD) 189,055 6.32 New 8 Increase8
Ecolo-Greens (ECOLO) 29,116 0.97 Decrease0.14 0 ±0
Citizens for Blank Votes (CenB) 19,220 0.64 New 0 ±0
Anti-Bullfighting Party Against Mistreatment of Animals (PACMA) 15,897 0.53 Increase0.30 0 ±0
For a Fairer World (PUM+J) 10,330 0.35 Increase0.18 0 ±0
The Falange (FE) 6,424 0.21 Increase0.12 0 ±0
Communist Party of the Peoples of Spain (PCPE) 5,656 0.19 Increase0.05 0 ±0
Citizens-Party of the Citizenry (C's) 4,879 0.16 New 0 ±0
Humanist Party (PH) 3,936 0.13 Increase0.07 0 ±0
Spanish Alternative (AES) 3,690 0.12 Decrease0.05 0 ±0
Union for Leganés (ULEG) 3,435 0.11 Increase0.06 0 ±0
Liberal Democratic Centre (CDL) 3,169 0.11 New 0 ±0
Castilian Party (PCAS) 1,722 0.06 New 0 ±0
Centre and Democracy Forum (CyD) 1,639 0.05 New 0 ±0
Internationalist Solidarity and Self-Management (SAIn) 1,300 0.04 New 0 ±0
Blank ballots 71,458 2.39 Increase0.66
Total 2,993,236 100.00 129 Increase9
Valid votes 2,993,236 98.32 Decrease1.23
Invalid votes 51,113 1.68 Increase1.23
Votes cast / turnout 3,044,349 65.86 Decrease1.45
Abstentions 1,578,401 34.14 Increase1.45
Registered voters 4,622,750
Vote share
Blank ballots
Parliamentary seats


  1. ^ a b c d This survey shows its poll results projected over candidacy votes (that is, votes going for political parties, excluding blank ballots). The vote percentage in the official election is calculated including blank ballots into the estimation. In order to obtain data comparable to both the official results as well as those of other surveys, a rule of three has been applied to the survey projections, with the results of the calculation being shown instead.
  2. ^ Hypothesized scenario with Tomás Gómez as PSOE candidate.
  3. ^ Hypothesized scenario with Trinidad Jiménez as PSOE candidate.