electionstracker

Iceland 2021 parliamentary election

What was the result of the 2021 parliamentary election in Iceland?

Independence Party won 16 of 63 seats with 24.4% of the vote. 79.2% 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 : Independence Party won 16 of 63 seats with 24.4% of the vote; 79.2% of registered voters cast a ballot, down 2.0 points on 2017.

  • Independence Party 16 0 seats 24.4% −0.8 points
  • Progressive Party 13 +5 seats 17.3% +6.6 points
  • Left-Green Movement 8 −3 seats 12.6% −4.3 points
  • Social Democratic Alliance 6 −1 seat 9.9% −2.2 points
  • People's Party 6 +2 seats 8.8% +1.9 points
  • Pirate Party 6 0 seats 8.6% −0.6 points
  • Viðreisn 5 +1 seat 8.3% +1.6 points
  • Centre Party 3 −4 seats 5.4% −5.5 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 2017 parliamentary election, party by party.

32 of 63 seats make a majority

Key numbers

  1. 24.4%

    Share of the vote won by Independence Party

    Independence Party won 16 of 63 seats. A majority needs 32.

  2. +5 seats

    Seats gained by Progressive Party

    The largest gain in seats compared with 2017. Centre Party lost 4 seats.

  3. 79.2%

    Voter turnout

    Down 2.0 points on 2017.

Seats and votes by party

PartySeats± seats%± pointsVotes
Independence Party16024.4−0.848,708
Progressive Party13+517.3+6.634,501
Left-Green Movement8−312.6−4.325,114
Social Democratic Alliance6−19.9−2.219,825
People's Party6+28.8+1.917,672
Pirate Party608.6−0.617,233
Viðreisn5+18.3+1.616,628
Centre Party3−45.4−5.510,879
Socialist Party of Iceland04.18,181

± is the change against the Iceland 2017 parliamentary election, party by party.

Votes by party
  • Independence Party 48,708
  • Progressive Party 34,501
  • Left-Green Movement 25,114
  • Social Democratic Alliance 19,825
  • People's Party 17,672
  • Pirate Party 17,233
  • Viðreisn 16,628
  • Centre Party 10,879
  • Socialist Party of Iceland 8,181

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?

79.2% of the 254,681 registered voters cast a ballot (201,792 ballots), down 2.0 points on 2017. 199,730 of them were valid votes.

How do the votes compare with the seats?

  • Independence Party24.4% of votes25.4% of seats
  • Progressive Party17.3% of votes20.6% of seats
  • Left-Green Movement12.6% of votes12.7% of seats
  • Social Democratic Alliance9.9% of votes9.5% of seats
  • People's Party8.8% of votes9.5% of seats
  • Pirate Party8.6% of votes9.5% of seats
  • Viðreisn8.3% of votes7.9% of seats
  • Centre Party5.4% of votes4.8% of seats
  • Socialist Party of Iceland4.1% of votes0.0% of seats
Each party's share of the vote (outlined) and of the seats (filled)

The Gallagher index of disproportionality is 3.9 (0 when seats follow votes exactly); the effective number of parties is 7.1 by votes and 6.3 by seats; Independence Party led Progressive Party by 7.1 points of the vote.

Time and source Data as of