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The Mayo seat in the House of Representatives | |||||||||||||||||||||||||||||||||||||||||||||||
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Turnout | 80.10% 15.78 | ||||||||||||||||||||||||||||||||||||||||||||||
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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.
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.
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.
Eleven candidates contested the by-election. They are listed below in ballot order. [7]
Labor opted not to stand a candidate. [21]
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]
Party | Candidate | Votes | % | ±% | |
---|---|---|---|---|---|
Liberal | Jamie Briggs | 30,651 | 41.28 | –9.80 | |
Greens | Lynton Vonow | 15,851 | 21.35 | +10.39 | |
Independent | Di Bell | 12,081 | 16.27 | +16.27 | |
Family First | Bob Day | 8,468 | 11.40 | +7.38 | |
Independent | Mary Brewerton | 1,868 | 2.52 | +2.52 | |
Independent | Bill Spragg | 1,545 | 2.08 | +2.08 | |
Democratic Labor | David McCabe | 1,426 | 1.92 | +1.92 | |
Democrats | Andrew Castrique | 923 | 1.24 | –0.28 | |
Climate Conservatives | Rachael Barons | 725 | 0.98 | –0.32 | |
One Nation | Mathew Keizer | 503 | 0.68 | +0.68 | |
Independent | Malcolm Ronald King | 219 | 0.29 | +0.29 | |
Total formal votes | 74,260 | 95.01 | –2.23 | ||
Informal votes | 3,900 | 4.99 | +2.23 | ||
Turnout | 78,160 | 80.10 | –15.78 | ||
Two-candidate-preferred result | |||||
Liberal | Jamie Briggs | 39,381 | 53.03 | –4.03 | |
Greens | Lynton Vonow | 34,879 | 46.97 | +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]
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.
The Division of Hindmarsh is an Australian Electoral Division in South Australia covering the western suburbs of Adelaide. The division was one of the seven established when the former Division of South Australia was split on 2 October 1903, and was first contested at the 1903 election, though on vastly different boundaries. The Division is named after Sir John Hindmarsh, who was Governor of South Australia from 1836 to 1838. The 78 km² seat extends from the coast in the west to South Road in the east, covering the suburbs of Ascot Park, Brooklyn Park, Edwardstown, Fulham, Glenelg, Grange, Henley Beach, Kidman Park, Kurralta Park, Morphettville, Plympton, Richmond, Semaphore Park, Torrensville, West Beach and West Lakes. The Adelaide International Airport is centrally located in the electorate, making noise pollution a prominent local issue, besides the aged care needs of the relatively elderly population − the seat has one of Australia's highest proportions of citizens over the age of 65. Progressive boundary redistributions over many decades transformed Hindmarsh from a safe Labor seat in to a marginal seat often won by the government of the day.
The Division of Mayo is an Australian electoral division located to the east and south of Adelaide, South Australia. Created in the state redistribution of 3 September 1984, the division is named after Helen Mayo, a social activist and the first woman elected to an Australian University Council. The 9,315 km² rural seat covers an area from the Barossa Valley in the north to Cape Jervis in the south. Taking in the Adelaide Hills, Fleurieu Peninsula and Kangaroo Island regions, its largest population centre is Mount Barker. Its other population centres are Aldgate, Bridgewater, Littlehampton, McLaren Vale, Nairne, Stirling, Strathalbyn and Victor Harbor, and its smaller localities include American River, Ashbourne, Balhannah, Brukunga, Carrickalinga, Charleston, Cherry Gardens, Clarendon, Crafers, Cudlee Creek, Currency Creek, Delamere, Echunga, Forreston, Goolwa, Gumeracha, Hahndorf, Houghton, Inglewood, Kersbrook, Kingscote, Langhorne Creek, Lobethal, Macclesfield, McLaren Flat, Meadows, Middleton, Milang, Mount Compass, Mount Pleasant, Mount Torrens, Mylor, Myponga, Normanville, Norton Summit, Oakbank, Penneshaw, Piccadilly, Port Elliot, Second Valley, Springton, Summertown, Uraidla, Willunga, Woodchester, Woodside, Yankalilla, and parts of Birdwood, Old Noarlunga and Upper Sturt.
Australian Greens SA is a green political party located in the Australian state of South Australia. It is a member of the federation of the Australian Greens party.
Heysen is a single-member electoral district for the South Australian House of Assembly. It is named after Sir Hans Heysen, a prominent South Australian landscape artist. It is a 1,074 km² electoral district that takes in some of the outer southern suburbs of Adelaide before fanning south-east to include most of the Adelaide Hills, as well as farming areas some distance from the capital. It includes the localities of Aldgate, Ashbourne, Belvidere, Biggs Flat, Blackfellows Creek, Blewitt Springs, Bradbury, Bridgewater, Bugle Ranges, Bull Creek, Chapel Hill, Clarendon, Crafers, Dingabledinga, Dorset Vale, Echunga, Flaxley, Gemmells, Green Hills Range, Heathfield, Highland Valley, Hope Forest, Ironbank, Jupiter Creek, Kangarilla, Kuitpo, Kuitpo Colony, Kyeema, Longwood, Macclesfield, McHarg Creek, Meadows, Montarra, Mount Magnificent, Mylor, Paris Creek, Prospect Hill, Red Creek, Salem, Sandergrove, Scott Creek, Stirling, Strathalbyn, The Range, Willunga Hill, Willyaroo, Wistow, Woodchester, Yundi; as well as parts of Bletchley, Hartley, Onkaparinga Hills, Upper Sturt. Although geographically it is a hybrid urban-rural seat, it is counted as a metropolitan seat.
The term swing refers to the extent of change in voter support, typically from one election or opinion poll to another, expressed as a positive or negative percentage point. For the Australian House of Representatives and the lower houses of the parliaments of all the states and territories except Tasmania and the ACT, Australia employs preferential voting in single-member constituencies. Under the full-preference instant-runoff voting system, in each seat the candidate with the lowest vote is eliminated and their preferences are distributed, which is repeated until only two candidates remain. While every seat has a two-candidate preferred (TCP) result, seats where the major parties have come first and second are commonly referred to as having a two-party-preferred (TPP) result. The concept of "swing" in Australian elections is not simply a function of the difference between the votes of the two leading candidates, as it is in Britain. To know the majority of any seat, and therefore the swing necessary for it to change hands, it is necessary to know the preferences of all the voters, regardless of their first preference votes. It is not uncommon in Australia for candidates who have comfortable leads on the first count to fail to win the seat, because "preference flows" go against them.
Iain Frederick Evans is a former Australian politician. He was leader of the South Australian Division of the Liberal Party of Australia from 2006 to 2007.
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Robert John Day is an Australian former politician and businessman who was a Senator for South Australia from 1 July 2014 to 1 November 2016. He is a former federal chairman of the Family First Party. Before entering politics, he worked in the housing industry, owning several businesses, and at one stage serving as president of the Housing Industry Association.
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The 2010 South Australian state election elected members to the 52nd Parliament of South Australia on 20 March 2010. All seats in the House of Assembly or lower house, whose current members were elected at the 2006 election, and half the seats in the Legislative Council or upper house, last filled at the 2002 election, became vacant.
The 2008 Lyne by-election was held for the Australian House of Representatives seat of Lyne on 6 September 2008. This was triggered by the resignation of National Party MP Mark Vaile. The by-election was held on the same day as the Mayo by-election, and the Western Australian state election.
Jamie Edward Briggs is an Australian former politician, who represented the House of Representatives seat of Mayo for the Liberal Party of Australia from the 2008 Mayo by-election to the 2 July 2016 federal election. Briggs was promoted from a shadow parliamentary secretary role to the outer ministry upon the 2013 election of the Abbott government. He remained in the outer ministry, though with a change in portfolio in the Turnbull government; however, he quit the ministry and moved to the backbench in late 2015 following inappropriate conduct during an official overseas trip. Briggs lost his seat in the 2016 federal election to Nick Xenophon Team candidate Rebekha Sharkie.
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Centre Alliance, formerly known as the Nick Xenophon Team (NXT), is a centrist political party in Australia based in the state of South Australia. It currently has one representative in the Parliament, Rebekha Sharkie in the House of Representatives.
Rebekha Carina Sharkie is an Australian politician and member of the Centre Alliance party. She is a member of the Australian House of Representatives, representing the Division of Mayo in South Australia. At the 2016 federal election she defeated Liberal Jamie Briggs, and was the first Nick Xenophon Team member to be elected to the Australian House of Representatives. On 11 May 2018, Sharkie resigned from the House of Representatives as a part of the 2017–18 Australian parliamentary eligibility crisis. She contested the 2018 Mayo by-election on 28 July, and was returned to parliament.
A by-election for the Australian House of Representatives seat of Mayo took place on Saturday 28 July 2018, following the resignation of incumbent Centre Alliance MP Rebekha Sharkie.