The 2016 Australian federal election in the Senate was part of a double dissolution election held on Saturday 2 July to elect all 226 members of the 45th Parliament of Australia, after an extended eight-week official campaign period. It was the first double dissolution election since the 1987 election and the first under a new voting system for the Senate that replaced group voting tickets with optional preferential voting.

The final outcome in the 76-seat Australian Senate took over four weeks to complete despite significant voting changes. Earlier in 2016, legislation changed the Senate voting system from a full-preference single transferable vote with group voting tickets to an optional-preferential single transferable vote. The final Senate result was announced on 4 August: Liberal/National Coalition 30 seats (−3), Labor 26 seats (+1), Greens 9 seats (−1), One Nation 4 seats (+4) and Nick Xenophon Team 3 seats (+2). Former broadcaster and founder of the Justice Party Derryn Hinch, won a seat, while Jacqui Lambie, Liberal Democrat David Leyonhjelm and Family First's Bob Day retained their seats. The number of crossbenchers increased by two to a record 20. The Liberal/National Coalition will require at least nine additional votes to reach a Senate majority, an increase of three.

A number of initially elected senators were declared ineligible a result of the 2017–18 Australian parliamentary eligibility crisis, and replaced after recounts.

Terms of senators

The two major parties negotiated to allocate a six-year term to the first elected six of twelve senators in each state, while the last six received a three-year term. This was consistent with the Senate practice on all seven previous occasions. In 1983 the Joint Select Committee on Electoral Reform had unanimously recommended an alternative "recount" method to reflect proportional representation, and the Commonwealth Electoral Act provides for a recount on that basis. Re-count of Senate votes to determine order of election in other circumstances. This recount method had been supported by both Labor and the Coalition in two separate, identical, bipartisan senate resolutions, passed in 1998 and 2010. By not using the recount method, Labor and the Coalition each gained one senate seat from 2019 to 2022.Senate terms: Derryn Hinch and Greens' Lee Rhiannon given three years - The Guardian 12 August 2016ALP-LNP deal to force senators back to poll in three years: The Australian 13 August 2016Coalition and Labor team up to clear out crossbench senators in 2019: SMH 12 August 2016Cormann raises ‘first elected’ plan to halve Senate terms for crossbenchers: The Australian 12 December 2016

Australia The final Senate result was announced on 4 August. The incumbent Liberal/National Coalition government won 30 seats, a net loss of three − the Coalition lost four Senators, one each from New South Wales, Queensland, Western Australia and South Australia, but gained a Senator in Victoria. The Labor opposition won 26 seats, a gain of one − a Senator in Western Australia. The number of crossbenchers increased by two to a record 20. The Liberal/National Coalition would require at least nine additional votes to reach a Senate majority, an increase of three. +Senate (STV OPV) – Turnout 91.93% (CV) – Informal 3.94% Party Votes % Swing Seats won Change   Liberal–National Coalition 4,868,246 35.18 –1.32 30 3   / joint ticket 2,769,426 20.01 −1.16 10   1,066,579 7.71 +0.77 14 2   960,467 6.94 −1.16 5 1   37,156 0.27 −0.05 1   National (WA) 34,618 0.25 −0.06 0   4,123,084 29.79 +0.16 26 1   1,197,657 8.65 −0.58 9 1   593,013 4.29 +3.76 4 4   Xenophon Team 456,369 3.30 +1.37 3 2   298,915 2.16 –1.59 1   266,607 1.93 +1.93 1 1   191,112 1.38 +0.26 1   94,510 0.68 –0.18 0 1   Lambie Network 69,074 0.50 +0.50 1 1   53,232 0.38 –0.12 0 1   Palmer United 26,210 0.19 –5.42 0 3 Total 13,838,900     76 Invalid/blank votes 567,806 3.94 +1.01 Registered voters/turnout 15,671,551 91.93 –1.52 Source: Federal Election 2016

New South Wales # Senator Party 1 Marise Payne  Liberal 2 Sam Dastyari  Labor 3 Arthur Sinodinos  Liberal 4 Jenny McAllister  Labor 5 Fiona Nash  Nationals 6 Deborah O'Neill  Labor 7 Concetta Fierravanti-Wells  Liberal 8 Doug Cameron  Labor 9 Lee Rhiannon  Greens 10 John Williams  Nationals 11 Brian Burston  One Nation 12 David Leyonhjelm  LDP

Victoria

# Senator Party 1 Mitch Fifield  Liberal 2 Kim Carr  Labor 3 Richard Di Natale  Greens 4 Bridget McKenzie  National 5 Stephen Conroy  Labor 6 Scott Ryan  Liberal 7 Jacinta Collins  Labor 8 James Paterson  Liberal 9 Gavin Marshall  Labor 10 Derryn Hinch  Justice 11 Janet Rice  Greens 12 Jane Hume  Liberal

Queensland # Senator Party 1 George Brandis  LNP 2 Murray Watt  Labor 3 Pauline Hanson  One Nation 4 Matt Canavan  LNP 5 Anthony Chisholm  Labor 6 James McGrath  LNP 7 Claire Moore  Labor 8 Ian Macdonald  LNP 9 Larissa Waters  Greens 10 Barry O'Sullivan  LNP 11 Chris Ketter  Labor 12 Malcolm Roberts  One Nation

Western Australia # Senator Party 1 Mathias Cormann  Liberal 2 Sue Lines  Labor 3 Scott Ludlam  Greens 4 Michaelia Cash  Liberal 5 Glenn Sterle  Labor 6 Dean Smith  Liberal 7 Pat Dodson  Labor 8 Linda Reynolds  Liberal 9 Chris Back  Liberal 10 Louise Pratt  Labor 11 Rod Culleton  One Nation 12 Rachel Siewert  Greens

South Australia # Senator Party 1 Simon Birmingham  Liberal 2 Penny Wong  Labor 3 Nick Xenophon  NXT 4 Cory Bernardi  Liberal 5 Don Farrell  Labor 6 Stirling Griff  NXT 7 Anne Ruston  Liberal 8 Alex Gallacher  Labor 9 David Fawcett  Liberal 10 Skye Kakoschke-Moore  NXT 11 Sarah Hanson-Young  Greens 12 Bob Day  FFP

Tasmania # Senator Party 1 Eric Abetz  Liberal 2 Anne Urquhart  Labor 3 Peter Whish-Wilson  Greens 4 Jacqui Lambie  Lambie 5 Stephen Parry  Liberal 6 Helen Polley  Labor 7 Jonathon Duniam  Liberal 8 Carol Brown  Labor 9 David Bushby   Liberal 10 Lisa Singh  Labor 11 Catryna Bilyk  Labor 12 Nick McKim  Greens

Territories Australian Capital Territory # Senator Party 1 Katy Gallagher  Labor 2 Zed Seselja  Liberal

Northern Territory # Senator Party 1 Malarndirri McCarthy  Labor 2 Nigel Scullion  CLP

Notes

References