2008 Mayo by-election

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2008 Mayo by-election
Flag of Australia (converted).svg
  2007 6 September 2008 (2008-09-06) 2010  

The Mayo seat in the House of Representatives
Turnout80.10% Decrease2.svg15.78
 First partySecond party
  Jamie Briggs.jpg Greens placeholder-01.png
Candidate Jamie Briggs Lynton Vonow
Party Liberal Greens
Popular vote30,65115,851
Percentage41.28%21.35%
SwingDecrease2.svg 9.80Increase2.svg 10.39
TPP 53.03%46.97%
TPP swingDecrease2.svg 4.03Increase2.svg 46.97

 Third partyFourth party
 
IND
Bob Day 2014 (cropped).jpg
Candidate Di Bell Bob Day
Party Independent Family First
Popular vote12,08111,468
Percentage16.87%11.40%
SwingIncrease2.svg 16.87Increase2.svg 7.38

Division of Mayo 2007.png

MP before election

Alexander Downer
Liberal

Elected MP

Jamie Briggs
Liberal

The 2008 Mayo by-election was held for the Australian House of Representatives seat of Mayo, located in Adelaide, South Australia, on 6 September 2008, [1] following the retirement of Liberal Party MP and former Liberal leader Alexander Downer. [2] The by-election was held on the same day as the Lyne by-election, and the Western Australian state election.

Contents

The writ for the by-election was issued 4 August, with the rolls closing on 8 August. Candidate nominations closed on 14 August. [3] The by-election was contested on the same boundaries drawn for Mayo at the 2007 federal election. The seat was won by Jamie Briggs of the Liberal Party on a two-candidate preferred vote of 53 per cent against the Greens.

Background

Downer first won the seat of Mayo at its creation at the 1984 federal election. He retained the seat at each subsequent election. The 2007 Liberal two-party-preferred vote of 57.1 percent was at the time the narrowest in the seat's history. Except for 1998, the seat was won at each election by the Liberals on primary votes alone. Despite this, the Australian Democrats and independents have traditionally polled well, including two elections where the Democrats and independent Brian Deegan came second. [4] At the 1998 election the Democrats reduced the Mayo Liberal margin to just 1.7 percent.

At the 2007 federal election, Downer retained his seat against his main Labor Party competitor by a two-party preferred vote of 57.06 percent to 42.94 percent. [5] However, the opposition Labor Party defeated the incumbent Liberal-National coalition government, the first change of government in over 11 years. Downer had served as Foreign Minister throughout the duration of the previous government. He was also Liberal leader and leader of the opposition for several months in 1994.

On 3 July 2008, Downer announced his intention to resign his seat. He officially resigned from parliament on 14 July. [6] He, with Mark Vaile in Lyne, became the next former Howard government ministers returned at the 2007 election to resign their seats. Peter McGauran had done likewise earlier in 2008.

Candidates

Eleven candidates contested the by-election. They are listed below in ballot order. [7]

Labor opted not to stand a candidate. [21]

Liberal preselection

The candidature of Liberal Jamie Briggs was criticised because of his role in controversial industrial-relations policies and reports that some Liberal Party colleagues were unhappy with his preselection. [22] Bob Day, who had held membership of the Liberal Party for 20 years and was the endorsed Liberal candidate for Makin in 2007, quit the party after failing to win Mayo preselection with 10 out of 271 votes, [23] claiming a "manipulated" preselection process. [24] Iain Evans, who came second to Briggs, agreed to some extent. [25]

Results

2008 Mayo by-election
PartyCandidateVotes%±%
Liberal Jamie Briggs 30,65141.28–9.80
Greens Lynton Vonow15,85121.35+10.39
Independent Di Bell 12,08116.27+16.27
Family First Bob Day 8,46811.40+7.38
Independent Mary Brewerton1,8682.52+2.52
Independent Bill Spragg1,5452.08+2.08
Democratic Labor David McCabe1,4261.92+1.92
Democrats Andrew Castrique9231.24–0.28
Climate Conservatives Rachael Barons7250.98–0.32
One Nation Mathew Keizer5030.68+0.68
Independent Malcolm Ronald King2190.29+0.29
Total formal votes74,26095.01–2.23
Informal votes3,9004.99+2.23
Turnout 78,16080.10–15.78
Two-candidate-preferred result
Liberal Jamie Briggs 39,38153.03–4.03
Greens Lynton Vonow34,87946.97+46.97
Liberal hold Swing N/A

The Liberals retained the seat despite a reduced 41.3 percent primary vote after suffering a 9.8 percent primary swing. Some commentators drew comparisons between this and the 2002 Cunningham by-election. [26] The Liberal two-candidate vote of 53 percent against Greens candidate Lynton Vonow compared to the previous election vote of 57.1 percent against Labor, [27] which turned Mayo from a fairly safe seat in to a marginal two-candidate seat. [28] The reduction of 4 percent cannot be considered a "two-party/candidate preferred swing" − when a major party is absent, preference flows to both major parties does not take place, resulting in asymmetric preference flows. [29] [30]

2016 outcome

Eight years later, Rebekha Sharkie of the Nick Xenophon Team was successful in defeating Liberal incumbent Jamie Briggs in Mayo at the 2016 federal election with a 55 percent two-candidate vote to the Liberals' 45 percent two-candidate vote, a reduction of 17.2 percent. Additionally, Mayo became a marginal two-party seat for the first time with the Liberal two-party vote reduced to 55.4 percent, a two-party swing of 7.2 percent.

See also

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