| Election Name: | 2018 Longman by-election |
| Country: | Australia |
| Type: | Parliamentary |
| Ongoing: | no |
| Previous Election: | 2016 Australian federal election |
| Previous Year: | 2016 |
| Next Election: | 2019 Australian federal election |
| Next Year: | 2019 |
| Turnout: | 84.26% 7.42 |
| Registered: | 111,652 |
| Seats For Election: | The Division of Longman (Qld) in the House of Representatives |
| Candidate1: | Susan Lamb |
| Party1: | Australian Labor Party |
| Popular Vote1: | 35,203 |
| Percentage1: | 39.84% |
| Swing1: | 4.46 |
| Candidate2: | Trevor Ruthenberg |
| Party2: | Liberal National Party of Queensland |
| Popular Vote2: | 26,120 |
| Percentage2: | 29.61% |
| Swing2: | 9.40 |
| Party3: | One Nation |
| Popular Vote3: | 14,061 |
| Percentage3: | 15.91% |
| Swing3: | 6.50 |
| 1Blank: | TPP |
| 1Data1: | 54.45% |
| 1Data2: | 45.55% |
| 2Blank: | TPP swing |
| 2Data1: | 3.66 |
| 2Data2: | 3.66 |
| MP | |
| Before Election: | Susan Lamb |
| Before Party: | Australian Labor Party |
| After Election: | Susan Lamb |
| After Party: | Australian Labor Party |
A by-election for the Australian House of Representatives seat of Longman took place on Saturday 28 July 2018, following the resignation of incumbent Labor MP Susan Lamb.[1]
In early counting, within an hour of the close of polls, the Australian Broadcasting Corporation's psephologist Antony Green's electoral computer had predicted Labor to retain the electorate with an increased margin.[2]
The by-election occurred on the same day as four other by-elections for the House of Representatives, colloquially known as Super Saturday. The result in Longman has been noted as helping to accelerate the replacement of Malcolm Turnbull as prime minister and Liberal leader in the following month.[3]
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Due to the High Court ruling against Senator Katy Gallagher on 9 May 2018 as part of the ongoing parliamentary eligibility crisis, Lamb and three other MPs in the same situation announced their parliamentary resignations later that day,[1] while the Perth incumbent resigned for family reasons.[4] The Speaker announced on 24 May 2018 that he had scheduled the by-elections to occur on 28 July 2018. Popularly labelled "Super Saturday", the occurrence of five simultaneous federal by-elections is unprecedented in Australian political history.[5] The others are:
Mark Latham, Labor leader between December 2003 and January 2005, voiced a robocall authorised by Pauline Hanson, in an attempt to discourage Labor voting and instead encouraged minor party voting.[6]
The Labor party and Liberal National placed the far right anti immigration Australia First Party last on its preferences.[7] [8]
Key dates in relation to the by-election are:[9]
| Candidates (11) in ballot paper order[10] | |||||
|---|---|---|---|---|---|
| Party | Candidate | Background | |||
| Liberal Democrats | Lloyd Russell | Business consultant.[11] | |||
| Australia First | Jim Saleam | Party leader. Contested Lindsay at the 2016 election and Cook at the 2013 election. | |||
| Democratic Labour | Gregory Bell | Truck driver. | |||
| Independent | Jackie Perkins | Self-employed mobile veterinarian.[12] | |||
| Science | James Noonan | Criminology and criminal justice graduate.[13] | |||
| One Nation | Matthew Stephen | Caboolture businessman. Ran in Sandgate at the 2017 state election.[14] | |||
| People | John Reece | Ran as an independent candidate in Longman at the 2010 federal election.[15] | |||
| width=3pt | Labor | Susan Lamb | Previous MP for Longman elected at the 2016 federal election.[16] | ||
| width=3pt | Liberal National | Trevor Ruthenberg | One-term MP for Kallangur elected at the 2012 state election.[17] | ||
| Blair Verrier | Certified Practising Accountant (CPA).[18] | ||||
| width=3pt | Greens | Gavin Behrens | Caboolture father and IT professional. Ran in Morayfield at the 2017 state election.[19] | ||
| +Longman by-election polling | |||||||||||||
| Date | Firm | Commissioned by | Sample | Primary vote | TPP vote | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ALP | LNP | ONP | GRN | OTH | UND | ALP | LNP | ||||||
| 24−26 July 2018 | Newspoll | The Australian | 1015 | 40% | 36% | 14% | 5% | 5% | − | 51% | 49% | ||
| 17−19 July 2018 | ReachTEL | Courier Mail[20] [21] | 578 | 35.8% | 37.9% | 13.9% | (OTH) | 4.3% | 3.9% | 49% | 51% | ||
| 26 June 2018 | ReachTEL | Courier Mail[22] [23] | 814 | 39.0% | 35.5% | 14.7% | (OTH) | 6.6% | 4.1% | 49% | 51% | ||
| 21 June 2018 | ReachTEL | Australia Institute[24] | 727 | 39.1% | 34.9% | 14.7% | 4.4% | 3.7% | 3.2% | 50% | 50% | ||
| 2 June 2018 | ReachTEL | Sky News | >800 | 35% | 38% | (OTH) | 2% | 14% | 11% | 48% | 52% | ||
| 10 May 2018 | ReachTEL | Australia Institute | 1277 | 32.5% | 36.7% | 15.1% | 4.9% | 6.4% | 4.5% | 47% | 53% | ||
| 2016 election | 35.4% | 39.0% | 9.4% | 4.4% | 11.8% | 50.8% | 49.2% | ||||||