South Australia’s Labor government is on course for a commanding and potentially record-breaking election victory, according to new polling that also points to a significant shift in the state’s political landscape.

A recent YouGov survey places Labor well ahead on primary support, with around thirty-eight percent of voters backing the governing party.

The result positions Premier Peter Malinauskas for a decisive re-election, with support extending across income groups and demographic segments.

The same polling shows One Nation rising to second place with approximately twenty-two percent of the vote, overtaking the Liberal Party, which has fallen to historically low levels of support near nineteen percent.

The figures indicate a notable realignment within the opposition vote, with traditional conservative backing fragmenting.

The surge in One Nation support appears particularly strong among lower-income households and regional communities, where economic pressures and dissatisfaction with established parties have intensified.

At the same time, Labor has strengthened its appeal among middle-income voters, including those who have previously aligned with the Liberals.

The Liberal Party, now led by Ashton Hurn, faces mounting challenges as it attempts to regain footing after a period of internal instability and declining voter confidence.

Polling trends suggest the party risks one of its weakest performances on record, raising broader questions about its future positioning in the state.

Labor’s dominance is further reflected in leadership ratings, with Malinauskas holding a substantial lead as preferred premier.

The government’s steady economic performance and policy delivery have reinforced its standing among voters, contributing to a broad base of support ahead of the vote.

Analysts suggest the election could produce an unusually lopsided outcome, with Labor potentially expanding its parliamentary majority while the contest for second place becomes increasingly competitive.

Preference flows between minor parties and independents may play a decisive role in determining final seat distributions, particularly in closely contested regions.

The emergence of One Nation as a strong second force adds a new dimension to the electoral contest, signalling a shift in voter sentiment that could influence political dynamics beyond South Australia.

The final result is expected to shape the trajectory of both major and minor parties in the lead-up to future state and national elections.