electionstracker

Iceland 2009 parliamentary election

What was the result of the 2009 parliamentary election in Iceland?

Social Democratic Alliance won 20 of 63 seats with 29.8% of the vote. 85.1% of registered voters cast a ballot.

  • Iceland
  • Held:
  • Final result
  • ParlGov, read 5 October 2026

Which party won the most seats?

Final results from ParlGov, read : Social Democratic Alliance won 20 of 63 seats with 29.8% of the vote; 85.1% of registered voters cast a ballot, up 1.5 points on 2007.

  • Social Democratic Alliance 20 +2 seats 29.8% +3.0 points
  • Independence Party 16 −9 seats 23.7% −12.9 points
  • Left-Green Movement 14 +5 seats 21.7% +7.4 points
  • Progressive Party 9 +2 seats 14.8% +3.1 points
  • Citizens' Movement 4 7.2%
  • Liberal Party 0 −4 seats 2.2% −5.1 points
  • Seats won
  • Change on the previous election at the right
  • Share of the vote
  • Share at the previous election
  • Change in points at the right

Changes are against the Iceland 2007 parliamentary election, party by party.

32 of 63 seats make a majority

Key numbers

  1. 29.8%

    Share of the vote won by Social Democratic Alliance

    Social Democratic Alliance won 20 of 63 seats. A majority needs 32.

  2. +5 seats

    Seats gained by Left-Green Movement

    The largest gain in seats compared with 2007. Independence Party lost 9 seats.

  3. 85.1%

    Voter turnout

    Up 1.5 points on 2007.

Seats and votes by party

PartySeats± seats%± pointsVotes
Social Democratic Alliance20+229.8+3.055,758
Independence Party16−923.7−12.944,371
Left-Green Movement14+521.7+7.440,581
Progressive Party9+214.8+3.127,699
Citizens' Movement47.213,519
Liberal Party0−42.2−5.14,148

± is the change against the Iceland 2007 parliamentary election, party by party.

Votes by party
  • Social Democratic Alliance 55,758
  • Independence Party 44,371
  • Left-Green Movement 40,581
  • Progressive Party 27,699
  • Citizens' Movement 13,519
  • Liberal Party 4,148

ParlGov lists parties with at least 1 percent of the vote or 2 seats, so the rows do not add up to the valid votes.

How many people voted?

85.1% of the 227,896 registered voters cast a ballot (193,934 ballots), up 1.5 points on 2007. 187,183 of them were valid votes.

How do the votes compare with the seats?

  • Social Democratic Alliance29.8% of votes31.7% of seats
  • Independence Party23.7% of votes25.4% of seats
  • Left-Green Movement21.7% of votes22.2% of seats
  • Progressive Party14.8% of votes14.3% of seats
  • Citizens' Movement7.2% of votes6.3% of seats
  • Liberal Party2.2% of votes0.0% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 2.5 (0 when seats follow votes exactly); the effective number of parties is 4.6 by votes and 4.2 by seats; Social Democratic Alliance led Independence Party by 6.1 points of the vote.

Time and source Data as of