Showing posts with label Redbridge. Show all posts
Showing posts with label Redbridge. Show all posts

Friday, July 17, 2026

Victoria 2026: The Election Where All Sorts Of Things Can Happen!

Victoria Aggregate Labor 26.0 Coalition 27.3 Green 12.8 One Nation 23.7 others 10.3
(polls are probably underestimating "others" vote)
2PP estimate 52.0 to Coalition vs ALP, shadow-2PP ALP 50.1 vs One Nation
Currently Coalition would be likely to govern in minority with One Nation support, with One Nation seat tally around the mid-teens
One Nation and Labor seat numbers are highly dependent on Coalition preferencing decisions
Both major parties are still capable of majority government with a modest swing from current primaries

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It's been forever - largely because of the amount of work I had on in the first half of the year - since the last time I looked at Victorian state polling in the leadup to this year's election in any depth but finally a good time to do so has arrived.  What I see, at the moment, is a picture with a lot of possibilities.  Arguments can be made on current polling that the Allan Labor Government, while currently behind, is not far from surviving.  Arguments can also be made that it is not far from losing the election so badly that it may not even be the second party.  For now this is a really difficult election to model - much harder than South Australia - but perhaps by polling day things will get a lot clearer.  This one is a rather mathsy modelling article that has been rated 3/5 on the Wonk Factor scale.  

Saturday, December 20, 2025

2025 Polling Year In Review

2PP Average For Year 53.9 to ALP (+3.0)

At the end of each year I release a review of the year in federal polling.  See the 2024 article here (ah, those days when the Coalition still seemed competitive!) and/or click on the "annual poll review" tab for all articles back to 2014.  As usual if any late polls arrive I will edit this article to update the relevant statistics.  

2025 was overall not a good year for the Australian polling industry.  The year started well with good results for the two main pollsters in the field for the WA state election but this was followed by a rather serious federal election miss, where pollsters had the right winner but were almost as far off on the 2PP and primary votes as when they were wrong in 2019.  As they had the right winner anyway there was little media interest in the error; there has also been precious little visible introspection from the industry since and none of the attempts at review processes we saw following 2019.  The Tasmanian state election was then a mixed bag with a good result for local firm EMRS but a big shocker for YouGov.  On the plus side, we are seeing more diversity in Australian polling, but still the average transparency level is ordinary.

This year welcomed one new entrant, Spectre, and also saw a low-key and unsuccessful return from Ipsos and a great step up in activity from DemosAU.  

Monday, November 24, 2025

Brad Battin's Booting Is A Poll History Outlier

(Note for Tasmanian audiences: I will have the usual article about the latest EMRS poll up sometime tonight or tomorrow)

The last fortnight has seen the leaders of three of Australia's current crop of feeble oppositions displaced while a fourth, Sussan Ley, is precarious (especially after another shocker Newspoll).  First to go was ACT Liberal leader Leanne Castley, who after an irregular (by Liberal Party standards) attempt to kick backbenchers Elizabeth Lee and Peter Cain out of the party room for crossing the floor over parliamentary sitting hours, resigned suddenly on November 10.  Victorian leader Brad Battin didn't recontest after a spill motion was passed 19-13 on Nov 18, and NSW Liberal leader Mark Speakman quit on Nov 21 facing the same fate.  In the ACT the leadership has passed to an old hand in third-term MLA Mark Parton, but both Victoria and NSW have gone for first-term female MPs, Jess Wilson and Kellie Sloane.  

The removal of Speakman requires no explanation following the NSW Liberals' run of poor polling and a terrible result in the Kiama by-election.  But the case of Battin is very unusual.  Since assuming the leadership in the final days of 2024, Brad Battin had led Jacinta Allan as better Premier in every single poll that asked such a question - eight in all by four different pollsters, with an average margin of 8.75%.  There have been occasional cases of Opposition Leaders being rolled who had sometimes led as better Premier (including Battin's predecessor John Pesutto who had led by a pyrrhic single point in his final Resolve sample) but an Opposition Leader who was leading solidly being removed is unprecedented, at least in the Newspoll era.

Wednesday, September 17, 2025

Poll Roundup: Liberal Crisis As Honeymoon 2.0 Rumbles On

 Cross-poll estimate 56.3 to Labor (+1.0 since election)

I'm some way off putting out a 2025-8 term polling aggregate, partly because I am hoping that when the dust settles from the Bradfield court challenge in coming months we might get revised 2PP flow figures for Bradfield to enable more exact 2025 election preference flow estimates.  And partly just for sheer lack of time.  But this week's federal polls have been notable and there are a number of themes I think are worth covering off on quickly to put what is going on in historic context.

Newspoll

This week's Newspoll came in at 58-42 to Labor off primaries of ALP 36 L-NP 27 Green 13 One Nation 10 others 14.  The Coalition primary is the worst in Newspoll history by two points.  The previous worst was two polls ago in July and it was then the worst in Newspoll history by two points.  The Coalition primary is now four points lower than it had been in any previous term.   

No Government has led 58-42 since Kevin Rudd's led 59-41 in October 2009, and the last Newspoll this lopsided was Julia Gillard's Labor trailing 42-58 shortly before Gillard was removed in June 2013.  No Government beyond its first term has ever led 58-42 in a released Newspoll 2PP.  I convert one poll in June 1987 as 58-42 to the Hawke Government, one in Sep 1994 as 57-43 to Keating and there was a published 57-43 to the Howard government in September 2001.  One of these was a rally round the flag for the government after the 9/11 terrorist attacks, and the other two were the opposition disasters that were the Joh for Canberra Coalition split and Alexander Downer.  

Saturday, July 5, 2025

2025 Federal Election Pollster Performance Review



Oh no, not again ...


On the day after the 2019 federal election I did the most media interviews I have ever done in one day, eleven.  Eight of those were entirely about the same thing: the polls being wrong.  That day and in the coming days journos from as far afield as Japan and from vague memory Switzerland wanted to know how Australia had gone into an election with Labor unanimously ahead about 51.5-48.5 and come out with the Coalition winning by the same amount. Was this part of a global pattern of polls being increasingly broken and underestimating the right?  (Answers: no and no - it was just a shocker by Australia's high standards).  

The day after the 2025 federal election it was obvious something had gone astray with polling again, and by something near the same amount, but the media reception was muted.  I think I did only one interview where the polling was even part of the report's initial focus.  The ABC did an article about the polling, but it was so quarter-arsed that it omitted four final polls, initially got the 2PPs of four others wrong, and even when "corrected" continues to this day to contain errors about what the final poll 2PPs were.  There were a few other articles that were better.

Wednesday, April 30, 2025

Over The Horizons: 2025 Final Week Rolling Poll Roundup

 2PP Aggregate: 52.48 to ALP (-0.4 since Saturday)
With One Nation adjustment 51.85 to ALP
Rolling most recent released 2PP poll by each firm average 52.47 to ALP

All polls are believed to have released their final poll

If polls are accurate, Labor wins, probably with a modest majority (approx 80 seats)
If the normal range of polling to result relationships applies, Labor remains very likely to win, but majority status is touch and go
Historically, Labor has on average slightly underperformed when leading in final week polling

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Welcome to my rolling coverage of the final week of national polls.  I may write a separate article about seat polling if time permits though I'll mention some briefly in this piece.  The headline section will be continually updated with aggregate scores through to the end of the week, and the weekly reading graph will also be updated if anything much changes.  There will probaby be another roundup on Friday night or Saturday post the final Newspoll. On election night I will be doing live blogging at the Guardian and links will be posted here to the coverage when known.  

Thursday, April 17, 2025

Poll Roundup: Coalition In Freefall

2PP Aggregate: 52.3 to ALP (+1.2 in two weeks)
With One Nation adjustment (optional) 51.7 to ALP
If polls are accurate, Labor would win if everyone voted now, with a slim majority or close to it

(Figures above updated for YouGov)



The election has started already (people are now voting by post, even if the Greens HTV website doesn't seem aware of that) and the Coalition campaign appears to be in big trouble.  The polling swing back to Labor that started in late January and became more noticeable in late February has accelerated in the past two weeks and Labor is now polling majority government numbers from several pollsters.  It's too early to be confident that that will be the result, since elections are on average closer than even the final polls have it, but what we are seeing at the moment is a polling meltdown.  The Coalition primary vote is plummeting, and while this may yet turn around or be underestimated they now face the reverse version of Labor's problem during Labor's long decline last year.  There will be a bottom to this somewhere but no-one yet knows if this is it or where it might be.  By the time an underdog effect kicks in (if it does) will it be too late?

Monday, March 24, 2025

Poll Roundup: Coalition Support Slides In Pre-Budget Polling

2PP Aggregate (Last-Election Preferences) 51.1 to ALP (+1.5 in last four weeks)
With One Nation Adjustment (Recommended) 50.5 to ALP
If polls are on average accurate, Labor would almost certainly win election "held now", probably in minority





In the four weeks since my previous instalment there's been a substantial shift in national polling and Labor has recaptured the lead in both versions of my 2PP aggregate.  Although not every poll in that time has supported the shift, the trend is overall so well supported that when Morgan came out with a 54.5-45.5 to Labor outlier on Monday, the three polls later in the week did scarcely anything to peg back the gain in my aggregate that Morgan produced.  Looking at primary vote aggregates the culprit here is the Coalition primary.  Of the six polls that polled at least once both prior to 25 Feb and since 25 Feb, on average the Coalition primary is 1.6% lower since 25 Feb, though much of the gain went to independents and non-Green minor parties.  The most recent polls are carrying a heavy weighting in my aggregate because there are so many of them, and the suggestion for now is that Labor's lead is continuing to build. However it is Budget week, and these are not the best of times for trying to use a Budget to fuel electoral success as the Coalition has often done in the past. One of the reasons that I want to put this article out now (and update it with polls that come out entirely before the Budget) is to have a clear baseline for where things stood before the Budget did its thing.  (A brief refresher: Budget bounces in polls rarely happen - on average following a Budget a government goes slightly backwards).  

Tuesday, February 25, 2025

Poll Roundup: Outliers At Thirty Paces

2PP Aggregate (Last-Election Preferences) 50.4 to Coalition (-0.2 in last four weeks)
With One Nation Adjustment (recommended) 50.9 to Coalition
If polls are accurate, either side could win election "held now", probably well into minority



It was just about time for another one of these articles anyway but we've had some extra fun in the last few days with something we've not had for a while, big outliers!  Firstly a 55-45 to Coalition by respondent preferences from Resolve (52-48 last election) and secondly a 51-49 to Labor by respondent preferences from Morgan (53-47 last election). Resolve was the worst headline 2PP of the term for Labor by far, while Morgan was Labor's first headline 2PP lead from anyone since late November, and their first lead from anyone who wasn't Morgan since early October.   Morgan of course put it down to the interest rates cut.  Who to believe?  My aggregate says neither. The net impact of these two plus Freshwater was that Labor improved its standing in my estimate by 0.001%.  

Resolve had Labor on 25 Coalition 39 Greens 13 One Nation 9 Independent 9 others 4.  Resolve has typically had the Labor vote lower than other pollsters lately and this reading is the lowest I'm aware of Labor ever recording from anyone in a federal poll.  The primary vote gap of 14% is the largest of the term from anyone.  Resolve offers a generic Independent option everywhere between campaigns which tends to inflate the independent vote compared to what they'd actually get at an election, until we know who is actually on the ballot papers.  This probably affects their estimate of the ALP primary.  Resolve's One Nation estimate of 9% on the same basis may seem very large, but don't adjust your set, this is One Nation's third 9% in recent weeks, discussed further below.  

Friday, December 20, 2024

2024 Federal Polling Year In Review

 2PP Aggregate Average For 2024: 50.9 To Labor (-3.9)
Labor lost aggregate lead late in the year

It's the time of the year when most busy pollsters take a few weeks off and I bring out an annual feature, a review of the year in federal polling.  Click here for last year's edition and for articles back to 2014 click on the "annual poll review" tab at the bottom of this one.  As usual if any late polls come out I will edit this article to update the relevant numbers.

2024 was another strong year in results terms for the Australian polling industry.  Pollsters came out in good numbers for the early 2024 Tasmanian election and did pretty well in a very hard to poll election, although the lobby group(s) that commissioned two Freshwater polls contemptibly failed to ensure the release of definitive results of either, leaving poll-watchers to play jigsaw puzzles with incomplete media reports. Polling for the Queensland election was mostly excellent though no one pollster nailed the result, and a mini-cluster of close-ish polls at the end led to some misreads of what in the end was not a close election.   Despite this there are storm clouds about in federal polling in the form of inadequate transparency from several pollsters and a somewhat suspicious level of clustering of results, especially at a stage in the cycle where that doesn't usually happen.  (More on the latter later).  US polling this year wasn't as bad as 2020, but didn't quite get the real story in part because of the latter issue.

Sunday, December 8, 2024

Media Fail Again Over MRP Reporting

Redbridge/Accent MRP model projects Coalition would be likely to have the most seats if the federal election was held now.  

It does not say Coalition would be likely to have a majority.

It does not predict the result of the election.

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I thought an article was in order to unpack some of what is going on with the recent Redbridge/Accent MRP model and the woeful reporting of it by pretty much every outlet that has so far mentioned it.

MRP models (stands for Multilevel Regression with Poststratification) are not the easiest to explain to lay readers at the best of times, but what we have seen from several media sources reporting on this one goes beyond understandable confusion and into the realms of reckless innumerate false reporting.

What a MRP model does is to build a picture of how certain types of seats are likely to vote based on small samples of all 150 electorates.  Although each seat's sample is uselessly tiny by itself, by assuming that seats that resemble each other in ways that affect voting intention will vote similarly, one can smooth out a lot of the rough edges in the sampling, and samples of a few dozen voters per electorate can build a model that's about as good on a seat-by-seat basis as if those samples were actually a few hundred.  That still isn't very good on a seat-by-seat basis, but on a nationwide basis, the model could capture some general trends about the kinds of seats where each party is likely to be doing well or badly, and about how a party might be going in converting vote share to expected seats.  

Tuesday, October 1, 2024

Queensland 2024: The Polls Aren't Getting Much Better For Labor

Recent polling LNP leads approx 55.5-44.5

Possible seat result of this 2PP LNP 56 ALP 29 Green 4 KAP 3 IND 1 

I last wrote about the Queensland polling leadup back five months ago - was it really that long? - in The Tide Is Going Out For Queensland Labor.  At that time, there had been a few polls out showing Labor trailing about 45-55 two-party preferred, which as I explained in the article is historically not surprising in the slightest.  Five months on and less than one to go til the election, they're still there.  

However it's not as if nothing at all has happened in the meantime.  Since my last article (which mentioned the 44-56 April YouGov and the 46-54 March Newspoll), things may have got worse and then got better for the Government.  There's no need for me to repeat all the details of polls that are recorded and linked to on Wikipedia but there was a string of shockers for the government through to early September.  On 2PP they had only 44.5% (est) in Resolve February to May, 43% (converted estimate) in Redbridge February+May (two waves, not a continuous sample), 43% in YouGov July 8-15, 45.5% in Redbridge May+August, 43% in Wolf + Smith 6-29 Aug (Wolf + Smith is a sort of Resolve spinoff), and 42% (est and possibly generous) in Resolve July through September.  

While the Resolve type polls in this mix have the Labor primary lower than others because of their handling of the independent vote, none of these six polls had the Labor primary with a 3 in front of it, and Redbridge's first sample had the LNP as high as 47.  The average major party primary gap across these polls was 17.5 points.

Monday, September 2, 2024

Poll Roundup: 50.5 Is The New 51

2PP Aggregate 50.6 to ALP (-0.1 since end of last week)
Aggregate has changed little since loss of about half a point in mid-July
Election "held now" would probably produce minority Labor government

I haven't done a federal poll roundup for a while and today is a randomly opportune time to do one following the second straight 50-50 Newspoll and mention some general themes in recent 2PP polling.  In the last week we have had:

* Newspoll at 50-50 (ALP 32 L-NP 38 Green 12 ON 7 others 11)

* Redbridge at 50.5-49.5 to ALP (ALP 32 L-NP 38 and the rest not published yet, but I'm expecting Greens either 10 or 11)

* YouGov at 50-50 (ALP 32 L-NP 37 Green 13 ON 8 others 10) (Note: normally the 2PP for these primaries would be 51-49 to Labor, though it is possible to get 50 from these primaries sometimes because of rounding and perhaps also the makeup of others.).  

* Essential at 48-46 to ALP, equivalent to 51.1-48.9 (raw primaries ALP 29 Coalition 33 Greens 13 ON 7 UAP 1 others 11 undecided 6 - meaning the major party primaries are effectively more like 31-35)

* Morgan at 50.5-49.5 to Coalition by respondent preferences (50-50 last election) (ALP 29.5 L-NP 39.5 Green 13 ON 4 IND 9 others 5 - Morgan has a standalone IND option on the ballot everywhere, which is likely to be overstated)

Saturday, July 27, 2024

Northern Territory Election 2024: Prospects and Polling

Welcome to my coverage of the Northern Territory 2024 election, which has snuck up on us all with just four weeks to go til polling day as I write.  NT politics often attracts derision among election-watchers for its tiny/barely inhabited electorates, crazy seat swings, frequent MP defections and elementary ethics fails.  Despite that though, I reject the view out there that NT elections deserve no more attention than a medium-large council.  NT elections are somewhat like state elections in their own unusual way, and are informative.  This one is something of a prelude to Queensland as the first chance for one of Labor's seven state and territory dominos to fall on PM Albanese's watch ... but will it, and how heavily if so?  Beyond this article, my coverage of NT 2024 will include a live article and a post-count piece (a la this, but they will be separate articles this year) and there may be prospects updates if there is anything to see.  

General properties of NT elections

The history of NT elections since self-determination splits neatly into two halves, 1974-1997 during which the CLP frequently changed Chief Ministers but invariably won, and 2001 onwards which, starting from Labor's first win under Clare Martin, has been a rollercoaster.  The 2020 election with a 2PP swing of 3.9% against the then Gunner Labor Government was in fact the most placid this century, with the five before it having swings (ALP) of 6.0, 11.1, -9.2, -5.1 and 13.3.  

The Northern Territory is affected (see bottom of article here), much as the states are, by what I call "federal drag" - all else being equal, incumbent governments are more likely to be whacked when the same party is in power federally.  2020 was one case where the swing went to the side in power federally, but that was off a ridiculously low base and still an easy win for Labor anyway.  

Tuesday, April 9, 2024

Tasmania 2024: Is This Hare-Clark's New Normal?



Before and after ...


TASMANIA 2024: LIB 14 ALP 10 GRN 5 JLN 3 IND 3
Changes from 2021-based notional result: LIB -3 ALP -1 GRN +1 JLN +3
(2021 election for 25 seats LIB 13 ALP 9 GRN 2 IND 1)
(Before 2024 election LIB 11 ALP 8 GRN 2 IND 4)

Counting is over for the remarkable 2024 Tasmanian election and now come the negotiations.  The Jacqui Lambie Network yesterday announced it was expecting to release a confidence and supply agreement within days and independents are also being consulted.  Premier Jeremy Rockliff has stated he intends to request to be sworn back in, agreement to which would be automatic by precedent just to give him a chance to test his numbers even if the Parliament did intend to remove him.  But with Labor seemingly not interested in governing if it relies on the Greens in any fashion, the remaining crossbenchers' choice is to find some way to back the Liberals (at least on confidence votes when they happen) or else back the sort of instability that could see them defending their seats again within months.  If what the crossbenchers actually extract from the government right away (if anything) seems modest or embarrassing, that is one of the reasons for that.

Thursday, March 21, 2024

2024 Tasmanian Polling Aggregate

Aggregate of all polls (not a prediction) Lib 36.9ALP 25.3 Green 13.2 JLN 9 IND 12.7 other 3
Seat estimate for this aggregate 15-10-4-3-3.
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This article is part of my Tasmania 2024 state polling coverage.  Click here for links to my main guide page which includes links to seat guides and effective voting advice.  
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An attempt at aggregating the 2024 Tasmanian polls has been long-coming amid a very distracting and busy campaign, but for what it's worth here goes.  For the second election running I have doubts about the value of this exercise, but for entirely different reasons.  In 2021 there was very little polling and the only campaign poll to be publicly released appeared to (and did) have large house effects, which I determined using EMRS as a benchmark.  Despite me talking them down, both my house-effects aggregate and my no-house-effects aggregate somehow worked, with the former nailing the seat estimate and the latter recording voting share misses of 0.5% or below on all four lines.   I don't expect to be that lucky this time, however I hope the journey of how I try to come up with a what the polls are saying number will make some sense.

If any more public polls are released before 8 am Saturday a fresh aggregate will be included in the article covering that poll, or in this one.

Tuesday, March 5, 2024

Redbridge Says It's A Multi-Party Mess As Voters Flee Liberals

This article is part of my 2024 Tasmanian election coverage - link to main page including links to electorate guides and effective voting advice


Redbridge Lib 33 ALP 29 Green 14 JLN 10 IND/Other 14
My estimate 13-14 Liberal 10-12 ALP 4-5 Green 2-3 JLN 2-6 IND

The second Tasmanian campaign poll by an established and known pollster is out, with Victorian-centred outfit Redbridge releasing its first ever public poll of Tasmanian voting intention.  The sample size is smallish (753 voters) and the sample is spread out over two weeks (Feb 14-28).  

They have also released these combined breakdowns: Bass/Braddon/Lyons Liberal 35 Labor 27 Green 11 JLN 14 Other 14, Clark/Franklin Liberal 30 Labor 31 Greens 18 JLN 4 (ie 8 in Franklin as not running in Clark) Other 17

There is more to come on this poll, including one of the most amusing crosstabs you will ever see, but for now just a quick note on the voting intention numbers.  The Redbridge numbers are significantly worse for the Liberals than both the EMRS public poll and the huge-sample mystery poll of unknown veracity and quality, and very similar to the YouGov poll from January, except that they have treated the Lambie and IND/others votes more normally.  (They've only listed parties in seats they are running in.)

Redbridge have released a seat estimate of 12 Liberal 11 Labor 6 Green 3 JLN 3 Independent based on modelling off mini-samples.  I would expect off these state primaries (based on testing them against my model of the recent EMRS breakdowns) that the Greens would not do quite so well; six seats off 14% would be very lucky.   I got estimates of 13-14 Liberal, 10-12 ALP, 4-5 Green, 2-3 JLN and 2-6 IND for these numbers.  

Sunday, December 3, 2023

2PP Federal Polling Aggregate Relaunched






Introduction (December 2023)

In recent weeks I've relaunched the 2PP aggregate on the sidebar that was a feature here between mid-2013 and the 2019 federal election.  The aim of the aggregate is to present a frequently updated figure for what the current polls should be taken as saying collectively about the state of the two-party preferred contest.  This is never a prediction or a statement that the polls are right, it is just putting a number on where they're at.  A couple of things encouraged me to do this and the first one was a desire to have an up-to-date figure readily available to media now that things are actually happening (my 52.9 estimate from this article was being quoted after my estimate had fallen below 52.)  

Tuesday, November 7, 2023

Poll Roundup: This Is The Way The Honeymoon Ended

 2PP Aggregated Estimate: 52.9 To ALP (-1.4 since mid-August)

ALP would still win election "held now", probably with increased majority

Time for another federal voting intention poll roundup as there have been several noteable results in recent weeks.  In a previous edition I reported that while the end of the Albanese Government's polling honeymoon had been declared by many hasty false prophets, we weren't quite there yet ... but we could be soon.  My standard for the honeymoon phase still existing had been a 54-46 estimated aggregated polling lead for the government, but in the event of the government falling slightly below that level I would want to see at least a month of evidence that that was the case.  (It is somewhat like how a single quarter of negative growth does not count as a recession).  

Anyway I can now report that on my estimates the rear-vision window shows that it's been two months.  The Albanese Government's polling honeymoon ended not with a bang but with a gradual slip into the twilight zone of not-quite-enough-ahead in early September.  There were several individual poll results better than 54-46 since then but on a weekly rolling basis I have had Labor in the 53s ever since.  Furthermore following this week's Newspoll the Government dipped just below an aggregated (and Newspoll!) 53% for the first time.  

Wednesday, November 1, 2023

Voice Referendum Polling Accuracy

The 2023 Voice referendum was a triumph for Australian (and in one case UK) opinion polling.  With all votes counted apart from a few dozen that may or may not exist, here is my assessment of the accuracy of the final polls, and of the polling overall.  

Before I start a few words about the late count: firstly the Yes vote rebounded after the first night of counting from projecting to the low 39s to finishing up at very nearly 40 (39.94 pending any late corrections, which would appear unlikely at this stage).  The main causes of this were: a strong performance by Yes on absents, a relatively strong performance on out-of-division prepolls (which were intermediate between absents and in-division prepolls) and both these forms of votes being substantially more common than in 2022 (29% and 22% more common respectively).  The latter also pushed the turnout up from the initial mid-to-high 80s range to more or less 90%, with it finishing at 89.92% (up 0.1% on the 2022 Reps election, but also up over 400,000 voters because of increased enrolment).   That said because it is harder to get one's vote rejected over enrolment issues, a better comparison might be the 2022 Senate turnout of 90.47%, on which turnout was slightly down.  

34 divisions voted Yes, including all in doubt after the night except for No's closest victory in Hotham, and 117 voted No.  Tasmania pipped NSW for second highest state Yes vote by 0.02%.

The polls overall

The Voice referendum was among the most heavily polled electoral events in Australian history, and the single most diversely polled with at least 22 different pollsters releasing some kind of result on the Voice since the 2022 federal election.  The polling was characterised by a refreshing lack of herding and saw a range of approaches taken in terms of headline figures (these could be broken broadly into one-pass, two-pass and forced choice approaches).  The major national polls towards the end were in general exclusively online, the main variation being that DemosAU used device engagement whereas the others employed panel polling.  This lack of method diversity turned out not to be a problem.