Australian politics can produce surprises. We have seen independents overturn safe seats, minor parties hold the balance of power, and leaders rise and fall with dizzying speed. But there are limits to volatility. There are structural realities built into the Australian political system that make certain outcomes extraordinarily unlikely.
One of those outcomes is a Prime Minister Pauline Hanson.
This is not a judgement about personality. It is a matter of mathematics, political architecture, and coalition-building.
One does not need to assess Pauline Hanson’s rhetoric or motivations to conclude she will never be Prime Minister. The electoral system itself renders the prospect implausible.
The Numbers Problem
Australia elects governments through the House of Representatives. To become Prime Minister, a leader must command a majority – at least 76 seats – or assemble a coalition capable of sustaining confidence.
Pauline Hanson leads One Nation, a minor party that has never come remotely close to forming government at a federal level. Its support base, while persistent, has historically remained in the single digits nationally. Even in favourable political climates, minor populist parties in Australia tend to peak at protest-vote levels rather than majority-building levels.
Australia’s preferential voting system also makes it difficult for a party with a polarising national profile to expand beyond its core vote. Preferences can amplify support, but they rarely transform a narrow primary base into a governing majority – particularly when second-preference appeal is limited.
Compulsory Voting and the Broad Electorate
Australia’s compulsory voting system further dampens the likelihood of a minor populist party capturing government. In voluntary voting systems, highly motivated voters can dominate turnout during periods of anger or grievance. In Australia, the entire electorate votes – including the politically disengaged, the moderate, and the cautious.
That broad turnout rewards parties capable of appealing across demographic, geographic, and economic lines. It dilutes intensity with breadth. Governing coalitions must persuade not only the passionate but the pragmatic.
The Coalition Barrier
The only plausible pathway for a minor party leader to become Prime Minister would be through coalition politics — either leading a reconfigured conservative bloc or emerging as a compromise figure during extreme instability.
But major parties guard leadership of government fiercely. The Liberal Party has historically absorbed, sidelined, or strategically preferenced right-wing minor parties rather than ceded executive leadership to them. For Pauline Hanson to become Prime Minister, the Liberal Party would effectively need to collapse or surrender its claim to lead the conservative side of politics. There is no clear evidence of such a trajectory.
Electoral Geography
Australian federal elections are won in suburban marginal seats – outer metropolitan electorates that determine the balance of power. Governments are built in diverse communities requiring broad appeal: mortgage holders, small business owners, migrant families, professionals, and retirees.
One Nation’s strongest support has historically been concentrated in specific regional areas. While electorally significant, that base is not geographically or demographically expansive enough to construct a national majority.
The Stability of the Two-Bloc System
Despite declining primary votes, Australian federal politics continues to revolve around two dominant blocs: Labor and the Coalition. Minor parties influence outcomes, shape debates, and at times hold the balance of power – particularly in the Senate. But converting influence into executive authority requires sustained majority support in the lower house.
That leap has not occurred in modern Australian federal politics.
Influence Is Not Government
The more meaningful question may not be whether Pauline Hanson can become Prime Minister – she almost certainly cannot under current structural conditions – but how minor parties shape the broader political landscape without ever holding executive office.
Influence and government are not the same thing.
Australian politics is capable of volatility. But it remains anchored by institutional design, electoral mathematics, and coalition realities that make certain outcomes structurally improbable.
And under those realities, a Hanson prime ministership remains implausible.
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On the back of this essay I went to the One Nation website for the first time. Hmmm. I can see why she might be garnering the support she supposedly is. A lot of the material on her Policies page has the veneer of reasonableness about it, but as always, the devil is in the detail, and as many of us have long known, this woman is somewhat of a devil in disguise. It’s good to see Michael’s expertise demolish the fiction around her potential leadership ambitions.
Whom then?
Hanson or the likes of Farrell?
Same thing?
Thank goodness that the AEC and compulsory voting is saving us from the Only Nutters having a member become Prim Monster. But why do voters think that all the Only Nutters support Porelean for PM??
There are two flies in the ointment here ….. the recently recruited Beetrooter, adulterous, alcoholic, bullying, corrupt, deceitful sexually harassing, misogynist former NOtional$ no longer pre-selected candidate for New England in 2028. Never let it be said that Beetrooter ever overlooks any chance to benefit his pecuniary interests because he has certainly done little or nothing during the last 13 years of his incumbency.
Well that excludes a Telstra phone tower located on a friendly BILLIONAIRE’S property for the rental benefit, and being politically irrelevant because being a drunk caressing a planter box exposes the obvious unfitness for public office.
So, off to the NSW Senate ticket for the Only Nutters to harvest the votes of numerous misogynist male supporters across regional centres where women are kept bare-foot & pregnant in the kitchen while ”the Boss” goes pubbing etc …..
Then there is James Ashby ….. he of the Peter Slipper scandal. Now why would Ashby team up with Porelein unless there was a profit in the arrangement??
Well ….. Pourline has to retire for indeterminate age in a few years and Little Jamie thinks he has a chance of sneaking into the leadership job. No worry about Beetrooter, he may have drunk himself to death by then ….
We live in interesting times ….
I dunno Michael.
All your points are valid, but in politics there’s too many variables and unknowns.
It only requires two things I believe.
A Nat in a safe Qld seat makes way for her to sit for the Reps.
That could even happen after the election if she’s in the senate.
And a major crisis for the Labor and the Libs.
They all have skeletons in the closet, and we all know how good outside actors are at destabilisation.
I’m not saying it’s likely, but it’s possible if the coalition marriage of convenience falls apart.
It’s possible, Steve, but not probable.
One thing that you have not mentioned Michael is that Hanson is a senator, she has been since 2016, she has ridden the gravy train for almost ten years and is not likely to give it up on the off chance that she would win a lower house seat.
Senators cannot be PM. There has only been one instance where a senator was made leader of a party and that was John Gorton who then resigned his senate seat and won the seat that Harold Holt had held before he disappeared so as to be able to take up the position of PM in the lower house.
Yep, rusted on Nat supporters in southern NSW ended up despising both Joyce and Abbott for their moral and ethical bypasses.
RW MSM platform Hanson & ON, like Farage and Reform, for content and repeating the same themes around fossil fuels and immigration…
One Nation has never won a Lower House seat in its own right, it has stumbled across the seat of New England because Barnaby decamped from the Nationals.
So it is feasible that Barnaby as a Lower House seat holder could become Prime Minister for one Nation but Highly unlikely and Pauline as a senator could never become prime minister apart from which her parliamentary attendance record is not good, she is very lazy.
@ Andrew Smith: The loathing for Beetrooter is NOT restricted to southern NSW. There are many New England voters who are dissatisfied with his personal attributes of adultery, alcoholism, bullying, corruption, deceit, sexual harassment and misogyny.
However, there is hope …. the Tamworth Election Campaign Committee has withdrawn his automatic pre-selection endorsement after the previous misogynist all male Committee decamped to the Only Nutters en masse. Hence running away to Porelean to secure a high position on the Senate ballot paper in 2028.
The incoming Committee is reported as being chaired by a very competent lady who may be pre-selected for the 2028 elections. However, the large number of misogynist males in this regional electorate believe that the future lies in becoming a 19th century rural slum exporting our kids and electricity to the world.
I should add to my earlier comment that a year or two back I confidently predicted that the Primitive Right would never gain much traction in Australia, possibly for some of the reasons outlined by Michael.
But I overlooked the possibility of a complete Nat/Lib breakdown.
Their survival instincts are not as strong as I assumed, even though I personally witnessed a level of antagonism between a prominent Nat and a prominent Lib that was quite extraordinary.
If coalition infighting continues, and that’s a strong possibility, the door is open for any number of unexpected developments.
Hanson, the screeching scarecrow that the Wizard of Oz would rather flee from than reward her with brains. Besides, she has her Toto,the squirming and scheming brain worm named Ashby that crawls around in the empty skull.
Some speculation re ON:
https://www.theguardian.com/australia-news/2026/feb/13/sussan-ley-to-quit-politics-byelection-liberal-party-leadership-spill