Support for the Liberals remains at 49 per cent of decided voters in the first EMRS poll since the May state election.
This result reflects the election result for the government with Labor's approval rating still at 28 per cent.
The May election results showed a drop of three percentage points for the Liberals and a slight lift from Labor based on February poll figures.
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Approval for the Greens lifted by 1 per cent in August to 13 per cent.
Fifty-nine per cent of decided voters polled in August preferred Premier Peter Gutwein as state leader - a drop of 2 per cent since the election.
Approval for Labor leader Rebecca White lifted three percentage points to 29 per cent.
Twelve per cent of those polls did not want either of them as premier.
Mr Gutwein won an extraordinary 32,482 first-preference votes in the May election, undoubtedly owing to his handling of the COVID-19 pandemic
Ms White harnessed 16,338 first-preference votes in her electorate of Lyons.
EMRS polling was conducted between August 7 and 9.
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