Governor-General Sam Mostyn set for a huge pay-rise when she takes on the role

Australia's next governor-general is set for a pay-rise when she takes on the role, with federal parliament set to vote to determine the top job's salary.

Sam Mostyn will be sworn in next Monday as Australia's 28th governor-general, replacing the outgoing David Hurley.

But how much she will be paid during her five-year term will be determined by MPs and senators, with laws introduced on Monday that will set out her paycheque.

Ms Mostyn will be paid $709,017 for each year as governor-general, compared to $495,000 annually for Mr Hurley.

However, Mr Hurley also received military pensions on top of his salary as governor-general.

Assistant Public Service Minister Patrick Gorman said the higher salary for Ms Mostyn also reflected her not receiving other Commonwealth entitlements, compared to her predecessors in the role.

'The constitution prevents the governor-general's salary from being altered during their term of office,' he told parliament.

'As such, it is necessary to set the next governor-general salary at a level appropriate for the duration of this term.'

The governor-general's salary is determined by the estimated average salary of the chief justice of the High Court.

Ms Mostyn was appointed by Mr Albanese in April.

Ms Mostyn, 58, is a businesswoman who was appointed to a vast number of corporate boards through her championing of feminist and indigenous causes as well as climate change initiatives.

She was criticised as a 'woke' appointment by conservative critics who decried her long history in identity politics, and sensitivity over that prompted the deletion of many of her past social media posts.

Ms Mostyn, who was the AFL's first-ever female commissioner, has a long track record of supporting progressive causes.

She backed the Voice referendum, describing herself as 'completely untethered' when it was resoundingly defeated, and had also described Australia Day as 'invasion day' in a now-deleted social media post unearthed by Daily Mail Australia.

Daily Mail Australia previously revealed how Ms Mostyn advocated the Voice to her 22,000 followers on X, before suddenly disabling her account.

The banner picture of her X account was, for a lengthy period of time, a poster which declared, 'We support the Uluru Statement'.

The 58-year-old, who will officially start the role in July 2024, also previously made statements in favour of Australia becoming a republic.

Her commitment to that cause has not stopped her taking the job as the Crown's highest representative in Australia.

'Sam Mostyn is an exceptional leader who represents the best of modern Australia,' Anthony Albanese said after her appointment.

'(She) has had an extensive career in the Australian business community, including working at senior levels in telecommunications and insurance companies in Australia and globally.'