2026 South Australian state election

2026 South Australian state election

21 March 2026 (2026-03-21)

All 47 seats in the House of Assembly
24 seats needed for a majority
11 of 22 seats in the Legislative Council
Opinion polls
Registered1,317,186
  First party Second party Third party
 
Portrait of Peter Malinauskas
Aston Hurn (cropped and straightened).jpg
Cory Bernardi crop.jpg
Leader Peter Malinauskas Ashton Hurn Cory Bernardi
Party South Australian Labor Party South Australian Liberal Party One Nation
Leader's seat Croydon Schubert Legislative Council
(won seat)
Last election 27 seats 16 seats 0 seats
Seats before 29[a] 13[a] 0
Seats won 34 5 4
Seat change Increase 7 Decrease 11 Increase 4
Popular vote 419,626 211,551 256,022
Percentage 37.5% 18.9% 22.9%
Swing Decrease 2.5 pp Decrease 16.8 pp Increase 20.3 pp

Map of House of Assembly electorates.

Premier before election

Peter Malinauskas
South Australian Labor Party

Subsequent Premier

Peter Malinauskas
South Australian Labor Party

The 2026 South Australian state election was held on the 21 March 2026 to elect the 56th Parliament of South Australia, including all 47 seats in the House of Assembly and 11 of the 22 seats in the Legislative Council. It was conducted by the Electoral Commission of South Australia (ECSA).

Peter Malinauskas, the current premier, retained and expanded his majority of seats against the Liberal leader Ashton Hurn who would remain in the position of Opposition, this would considered the first electoral test of One Nation, as it was receiving a surge in opinion polls at the time.

Results

Labor would remain in government gaining 7 numbers increasing to 34 seats, in primary votes Labor would earn 37.5% of the vote but had a -2.5 swing against the party winning

the Liberals would remain in opposition loosing 11 seats, in primary votes the Liberals would earn 18.9% of the vote but had a -16.8% swing against the party

One Nation would earn 4 seats becoming a part of the crossbench, in the primary vote One Nation would earn 22.9% of the vote with a 20.3% swing towards the party

Results
PartyVotes% SwingSeatsChange
  Labor 419,626
37.5
-2.4 34 Increase 7
  One Nation 256,022
22.9
+20.3 4 Increase 4
  Liberal 211,551
18.9
-16.8 5 Decrease 11
  Greens 116,283
10.4
+1.3 0 Steady
  Independent 61,054
5.5
-1.8 4 Steady
  Other 54,726
4.8
0.3 0 Steady
Total
1,117,714
47

Notes

  1. 1 2
    • In July 2023, MacKillop MHA Nick McBride left the Liberals to sit as an independent.
    • In March 2024, Labor gained Dunstan from the Liberals at a by-election.
    • In April 2024, Labor MHA Leon Bignell was elected Speaker and moved to sit as an independent.
    • In November 2024, Labor gained Black from the Liberals at a by-election.
    • The seat of Mount Gambier became vacant on 2 September 2025 following the resignation of independent MHA Troy Bell.[1]
    • On 5 September 2025, independent MHA Leon Bignell rejoined Labor.
  1. ↑ "Mr Troy Bell". Parliament of South Australia.