Next Icelandic parliamentary election
Iceland
By 27 September 2025

All 63 seats in the Althing
32 seats needed for a majority
PartyLeader Current seats
Independence Bjarni Benediktsson 17
Progressive Sigurður Ingi Jóhannsson 13
Left-Green Katrín Jakobsdóttir 8
Social Democratic Kristrún Frostadóttir 6
People's Inga Sæland 6
Pirates Collective leadership 6
Reform Þorgerður Katrín Gunnarsdóttir 5
Centre Sigmundur Davíð Gunnlaugsson 2
Incumbent Prime Minister
Katrín Jakobsdóttir
Left-Green

Parliamentary elections are due to be held in Iceland by Saturday 27 September 2025 to elect the 63 members of the Althing.

Background

Previous election

The 2021 parliamentary election took place on 25 September, a month before the latest date allowed by law. The government coalition of the Left-Green Movement, the Progressive Party and the Independence Party, led by prime minister Katrín Jakobsdóttir, had been in place since the 2017 elections. This unusual coalition of parties from the left wing, the center and the right wing of Icelandic mainstream politics maintained its majority in parliament in the elections as the Independence Party had the same number of seats as before while the Progressive Party added 5 seats and the Left-Green movement lost 3. As for the opposition parties, the People's Party gained two seats and the Reform Party gained 1 seat. The Pirate Party held steady but the Social Democratic Alliance lost 1 seat and the Centre Party lost 4 of its seats in parliament. The Icelandic Socialist Party received 4.1% of the vote but no seats as 5% of the national vote is needed to eligible for the allocation of leveling seats.

Government formation

The coalition partners from the previous term soon decided that the first option for coalition talks should be to renew their coalition. The second cabinet of Katrín Jakobsdóttir was then formed on 28 November.[1][2]

Electoral system

The 63 members of the Althing are elected by open list proportional representation in six multi-member constituencies, with 54 seats distributed between parties at the constituency level with no electoral threshold and 9 leveling seats assigned to party lists at the national level with a threshold of 5 percent required in order to ensure proportionality with the election result.[3] The 54 constituency seats are distributed within each constituency according to the D'Hondt method.[4] Election lists are determined by parties; although voters have the option of altering the order of candidates or striking out particular candidates entirely but these rarely have any effect on the result.[3]

The number of voters per parliamentary seats varies significantly between the constituencies of Iceland. The number of seats per constituency was determined by law in 1999 and is not updated before each election except when the number of voters per each representative in the most represented constituency reaches half the number of voters per each representative in the least represented constituency. The constitution stipulates that in this case, a constituency seat should be transferred from the most represented constituency to the least represented constituency. This has already happened twice since 1999, in both cases transferring a constituency seat from the Northwest constituency to the Southwest constituency. In the 2021 election, the number of eligible voters behind each seat in the Southwest was 5671.5, more than double the 2693.5 eligible voters behind each seat in the Northwest. According to the constitution this means another transfer of a constituency seat from the Northwest to the Southwest before the next parliamentary election.

Date

Per Article 23 in Chapter V of Act No. 112 from the 25 June 2021 Elections Law, elections must be held no later than the same weekday of the month four years after the previous elections, counting from the turn of the month;[5] therefore, because the 2021 election took place on the fourth Saturday in September, the latest possible date for the next election is 27 September 2025.

Political parties

The table below lists political parties represented in the Althing after the 2021 parliamentary election and parties which are polled.

Name Ideology Position Leader 2021 result
Votes (%) Seats
D Independence Party
Sjálfstæðisflokkurinn
Conservatism Centre-right to right-wing Bjarni Benediktsson 24.4%
16 / 63
B Progressive Party
Framsóknarflokkurinn
Agrarianism (Nordic) Centre Sigurður Ingi Jóhannsson 17.3%
13 / 63
V Left-Green Movement
Vinstrihreyfingin – grænt framboð
Eco-socialism Centre-left to left-wing Katrín Jakobsdóttir 12.6%
8 / 63
S Social Democratic Alliance
Samfylkingin
Social democracy Centre-left Kristrún Frostadóttir 9.9%
6 / 63
F People's Party
Flokkur fólksins
Disability rights Centre-left to right-wing Inga Sæland 8.8%
6 / 63
P Pirate Party
Píratar
Pirate politics Syncretic None 8.6%
6 / 63
C Reform Party
Viðreisn
Liberalism Centre to centre-right Þorgerður Katrín Gunnarsdóttir 8.3%
5 / 63
M Centre Party
Miðflokkurinn
Populism Centre-right to right-wing Sigmundur Davíð Gunnlaugsson 5.4%
3 / 63
J Icelandic Socialist Party
Sósíalistaflokkur Íslands
Socialism Left-wing Gunnar Smári 4.1%
0 / 63

Opinion polls

Polling for the next Icelandic parliamentary election
Polling firm Fieldwork date Sample size Resp. Parties
Government Opposition Oth. Lead
D B V S F P C M J
Gallup 1 Dec 2023 – 1 Jan 2024 9,636 48.9 18.1 9.4 6.0 28.4 6.8 9.1 8.8 9.7 3.6 10.3
Maskína 19–27 Dec 2023 1,945 - 17.3 9.9 5.6 26.3 6.8 8.1 12.2 9.4 4.3 9.0
Gallup 1–30 Nov 2023 9,721 47.8 19.8 8.6 5.1 28.1 6.9 9.3 7.9 9.4 4.2 8.3
Maskína 3–7 Nov & 23–26 Nov 2023 2,376 - 17.9 10.4 6.1 26.0 6.4 10.0 10.3 8.4 4.4 8.1
Gallup 2–31 Oct 2023 10,463 49.8 20.5 7.4 6.0 29.1 6.5 10.2 7.5 8.6 4.1 8.6
Maskína 12–24 Oct 2023 1,935 - 17.7 9.8 5.9 27.8 6.1 10.8 9.3 8.2 4.3 10.1
Gallup 1 Sep–3 Oct 2023 11,005 48.5 20.4 8.1 5.7 30.1 5.7 9.6 7.9 8.6 3.9 9.7
Maskína 15–29 Sep 2023 1,466 - 19.6 8.8 6.5 24.4 6.5 10.8 11.6 7.0 4.8 4.8
Gallup 1–31 August 2023 10,076 49.5 21.1 7.5 5.9 28.5 6.3 10.3 7.2 8.7 4.4 7.4
Maskína 17–22 August 2023 954 - 17.6 9.2 6.4 26.1 5.9 13.1 9.5 7.9 4.2 8.5
Gallup 3–30 July 2023 10,491 46.1 21.0 8.9 6.1 28.6 5.7 10.5 7.0 8.5 3.6 7.6
Maskína 6–24 July 2023 836 - 19.3 9.6 8.0 25.3 6.0 11.0 10.4 5.9 4.5 6.0
Prósent 22 June–22 July 2023 2,300 51.8 16.1 7.1 7.3 27.4 8.5 14.5 8.9 7.2 2.9 11.3
Gallup 1 June–2 July 2023 11,331 48.8 20.8 8.7 6.2 28.4 5.7 9.7 8.1 7.8 4.6 7.6
Maskína 1–22 June 2023 1,691 - 18.5 8.8 7.0 27.2 6.6 11.3 9.7 6.3 4.7 8.7
Gallup 2–31 May 2023 10,316 48.2 20.8 10.2 5.7 28.4 5.5 10.1 7.6 6.9 4.9 7.6
Maskína 4–16 May 2023 1,726 - 19.2 10.0 6.1 27.3 5.6 11.0 9.1 6.4 5.2 8.1
Gallup 3 Apr–1 May 2023 9,916 48.7 21.9 9.6 6.6 27.8 6.0 10.0 7.4 6.2 4.3 5.9
Maskína 13–19 Apr 2023 852 18.7 10.2 8.2 25.7 4.4 11.4 10.6 6.0 4.9 7.0
Gallup 1 Mar–2 Apr 2023 1,128 22.3 9.9 7.1 25.1 5.6 9.4 9.1 6.3 5.1 2.8
Maskína 6–20 Mar 2023 1,599 20.2 13.2 6.0 24.4 5.2 10.2 9.1 5.7 6.0 4.2
Gallup 1–28 Feb 2023 9,517 49.6 22.5 10.8 6.8 24.0 5.6 12.1 7.7 5.3 5.0 1.5
Maskína 3–13 Feb 2023 1,892 20.1 12.3 6.7 23.3 5.9 12.7 8.2 5.8 5.0 2.2
Prósent 27 Jan–6 Feb 2023 2,400 51.4 23.2 11.8 5.9 22.1 9.5 12.5 6.9 4.1 4.1 1.1
Maskína 13–18 Jan 2023 804 21.8 12.1 8.3 23.6 5.1 10.4 9.1 5.9 3.6 1.8
Gallup 6–31 Jan 2023 9,842 48.5 23.5 11.3 6.8 25.3 5.5 10.4 7.3 5.5 4.4 1.8
Gallup 1 Dec 2022–2 Jan 2023 7,115 48.0 23.8 12.1 6.8 23.4 6.2 11.3 6.9 4.6 4.6 0.2
Prósent 22–30 Dec 2022 4,000 49.6 23.2 10.8 6.7 20.5 9.7 14.3 6.2 4.5 4.0 2.7
Maskína 16–28 Dec 2022 1,703 20.0 12.2 7.8 20.1 7.0 12.5 7.5 6.7 6.1 0.1
Gallup 1–30 Nov 2022 10,798 50.8 24.1 12.2 7.5 21.1 4.5 12.2 7.4 5.6 5.2 3.0
Maskína 4–22 Nov 2022 2,483 21.8 14.8 7.1 19.0 5.0 13.4 9.0 4.9 5.0 2.8
Prósent 14–17 Nov 2022 2,600 51.3 21.1 14.6 8.0 19.1 6.4 11.8 10.6 4.2 4.2 2.0
Gallup 3–31 Oct 2022 8,267 49.9 24.4 13.8 8.4 16.6 5.3 12.9 8.4 5.0 5.0 7.8
Maskína 30 Sep–17 Oct 2022 1,638 22.8 15.0 7.7 14.4 4.6 14.3 9.5 5.0 6.5 7.8
Gallup 1 Sep–2 Oct 2022 11,149 48.3 24.1 13.4 8.2 16.3 5.1 13.6 8.5 5.4 5.1 7.8
Maskína 16–27 Sep 2022 1,875 20.8 15.6 8.7 15.2 5.0 12.3 10.4 5.3 6.8 5.2
Gallup 2–31 Aug 2022 10,719 48.9 21.8 15.6 8.4 15.5 5.6 14.8 8.4 4.6 5.1 6.2
Maskína 12–17 Aug 2022 890 20.9 19.6 7.5 12.9 4.6 13.9 8.9 4.5 7.3 1.3
Gallup 1 Jul–1 Aug 2022 9,705 49.0 22.1 15.4 8.6 13.7 6.6 15.0 8.6 4.4 5.3 6.7
Maskína 20–25 Jul 2022 895 24.4 18.0 7.7 10.9 6.9 12.7 8.3 6.0 5.1 6.4
Gallup 2–30 Jun 2022 10,274 61.7 22.8 17.5 7.2 13.7 7.0 16.1 6.7 4.6 4.1 5.3
Maskína 1–23 Jun 2022 1,658 19.3 18.3 8.5 13.4 6.3 14.6 8.8 4.7 6.1 1.0
Prósent 2–13 Jun 2022 1,780 50.1 18.5 17.3 9.0 13.5 5.6 17.5 7.8 4.2 6.3 2.2
Gallup 2–31 May 2022 10,548 51.9 20.1 17.5 8.1 14.1 6.4 14.7 9.5 4.3 5.0 2.6
Prósent 13–26 Apr 2022 3,500 50.3 17.9 12.4 9.6 16.8 8.0 16.2 9.6 4.1 5.4 1.1
Gallup 1–30 Apr 2022 9,828 50.1 19.8 15.6 10.1 13.7 7.7 14.5 9.6 4.1 4.6 4.2
Maskína 17 Mar–12 Apr 2022 1,367 22.4 15.5 8.8 13.0 7.7 13.2 10.5 4.2 4.6 6.9
Gallup 1–31 Mar 2022 10,941 49.6 22.7 18.0 11.4 11.2 8.2 11.9 9.1 3.7 3.6 4.7
Gallup 1–28 Feb 2022 9,672 49.7 21.9 18.1 10.5 11.1 7.5 13.2 9.7 3.9 3.9 3.8
Maskína 28 Jan–16 Feb 2022 3,039 21.9 16.9 12.9 13.4 7.6 10.3 9.7 3.9 3.5 5.0
Gallup 1–31 Jan 2022 10,911 50.4 22.4 17.0 10.7 10.8 8.8 12.5 9.4 3.7 4.3 5.4
Maskína 6–19 Jan 2022 1,548 20.1 17.8 11.2 12.3 8.5 13.5 9.2 3.7 3.7 3.3
Gallup 1–30 Dec 2021 7,890 51.2 23.3 17.7 10.6 10.5 8.6 12.5 8.7 3.4 4.5 5.6
Gallup 1–30 Nov 2021 10,000 51.0 22.7 17.0 13.0 10.7 8.0 11.8 8.4 3.8 4.4 5.7
Gallup 1–31 Oct 2021 8,899 50.6 22.8 17.2 13.4 9.8 7.9 11.0 8.9 4.3 4.6 5.6
MMR 12–18 Oct 2021 967 21.1 17.9 12.1 10.1 7.8 11.7 10.0 3.2 5.5 3.2
2021 parliamentary election 25 Sep 2021 24.4 17.3 12.6 9.9 8.9 8.6 8.3 5.5 4.1 0.5 7.1

References

  1. "Iceland's left-right coalition agrees to take another term". Reuters. 28 November 2021. Retrieved 3 December 2021.
  2. "Katrin Jakobsdottir, Iceland's Staunch Feminist PM, Begins Second Term". Voice of America. 28 November 2021. Retrieved 15 December 2021.
  3. 1 2 Ísland, Alþingiskosningar, 27. April 2013: Úttektarskýrsla (Report). OSCE/ODIHR. 24 June 2013. Retrieved 30 October 2017.
  4. "Útreikningar við úthlutun jöfnunarsæta". Kosningavefur Dómsmála- og Mannréttindaráðuneytisins. 27 April 2013. Retrieved 30 October 2017.
  5. "112/2021: Kosningalög". Alþingi. Retrieved 28 May 2022.
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