2017 New Zealand general election

2017 New Zealand general election
Name	2017 New Zealand general election
Date	23 September 2017
Type	parliamentary
Previous election	2014 New Zealand general election
Next election	2020 New Zealand general election
Seats for election	120 seats in the House of Representatives
Majority seats	61
Turnout	79.8%

2017 New Zealand general election was held on 23 September 2017 to elect members to the New Zealand House of Representatives. The contest determined the composition of the 52nd New Zealand Parliament and led to a change of administration after coalition negotiations. Major participants included the National Party, the Labour Party, the Green Party, New Zealand First, ACT New Zealand, the Māori Party, United Future, and the Conservative Party.

Background

The election followed the third term of the Fifth National Government led by John Key until his 2016 resignation and succession by Bill English. The period preceding the election involved policy debates influenced by events such as the Christchurch earthquake recovery centered on Canterbury, fiscal strategies shaped by the Treasury (New Zealand) forecasts, and international relationships with partners including Australia, China, and United States. Political dynamics were affected by the rise of personality-driven leadership changes seen in the United Kingdom's Brexit referendum aftermath and the United States' 2016 United States presidential election, as well as by domestic issues like housing pressures in Auckland, public health discussions referencing Waitematā District Health Board, and treaty settlements related to Treaty of Waitangi claims.

Electoral system

New Zealand uses the Mixed Member Proportional (MMP) representation system, established after the 1993 New Zealand electoral referendum. Under MMP, voters cast two votes: one for an electorate candidate and one for a party list, with seat allocation managed by the Electoral Commission (New Zealand) and governed by the Electoral Act 1993. The 120-seat House includes general electorates and Māori electorates such as Tāmaki Makaurau and Ikaroa-Rāwhiti. Threshold rules require a party to win 5% of the party vote or at least one electorate seat to gain list representation, a mechanism comparable to proportional thresholds in systems like German federal election rules. The representation process involves Sainte-Laguë allocation methods handled by the Chief Electoral Officer.

Campaign and party policies

The National Party campaigned on continuity and economic management under Bill English, emphasising tax policy, infrastructure investment in projects akin to the Auckland City Rail Link, and law-and-order stances referencing work by the New Zealand Police. The Labour Party, led by Jacinda Ardern after a leadership change from Andrew Little, focused on housing affordability in Auckland, public services such as the Ministry of Education (New Zealand), and social welfare reform influenced by advocacy from groups linked to Child Poverty Action Group. The Green Party, co-led by Metiria Turei and James Shaw, campaigned on climate policy resonant with international frameworks like the Paris Agreement and policy proposals about renewable energy and public transport tied to entities such as KiwiRail. New Zealand First, led by Winston Peters, emphasised immigration controls, regional development referencing Rotorua and Northland, and foreign investment scrutiny tied to cases involving China Investment Corporation-style concerns. ACT New Zealand under David Seymour promoted market-oriented reforms and civil liberties legislation similar to policies discussed in Auckland University Law School debates. The Māori Party, United Future, and smaller parties argued for treaty settlement implementation, centrist policies, and conservative family policy respectively.

Campaign events included televised debates held on platforms produced by Television New Zealand and Three (New Zealand) and policy launches in electorate centres like Wellington and Christchurch. Media coverage was extensive across outlets such as New Zealand Herald, Stuff.co.nz, and Radio New Zealand.

Candidates and key retirements

Notable retiring MPs included former Prime Minister John Key (who had resigned earlier), long-serving National MPs and ministers like Murray McCully and Nicky Wagner, and Labour figures such as Annette King announcing later-term changes. High-profile candidates included sitting MPs contesting electorates: Bill English in Clutha-Southland, Jacinda Ardern in Mount Albert (via by-election dynamics), Winston Peters in Northland, and David Seymour in Epsom. The election also saw list candidacies from figures such as Simon Bridges, Amy Adams, Phil Goff, and Grant Robertson who were central to post-election negotiations and shadow portfolios.

Opinion polling

Opinion polling throughout 2017 tracked party vote intention via agencies including Colmar Brunton, Roy Morgan Research, TV3 Newshub Reid Research, and One News commissions. Polls showed fluctuating support: National polling near the mid-40% range early in the year, Labour rising following a leadership change into the 30% range, New Zealand First holding steady around 10–15%, Greens near 6–8%, and ACT and minor parties competing for the 5% threshold. Electorate-level polls in seats such as Pakuranga, Ilam, and Wigram indicated close contests, with tactical voting discussions influencing projections under the MMP system.

Election results

Voter turnout was approximately 79.8%, with the National Party receiving the largest single share of the party vote but falling short of an outright majority. The final distribution saw National with around 44% of the party vote and 56 seats, Labour approximately 36% and 46 seats, New Zealand First about 7% securing 9 seats, the Green Party 6% with 8 seats, ACT 0.4% with 1 electorate seat, and the Māori Party failing to return to Parliament. Electorate outcomes included key victories and losses in urban electorates such as Epsom, Mount Albert, and Northland. The seat distribution required coalition talks to form a parliamentary majority.

Government formation and aftermath

Following the election, coalition and confidence-and-supply negotiations involved Bill English's National Party, Winston Peters' New Zealand First, and smaller parties including ACT and United Future discussions. Ultimately, New Zealand First chose to enter a coalition with the Labour Party and the Green Party provided confidence-and-supply, enabling Jacinda Ardern to form a minority-led government with Winston Peters as Deputy Prime Minister and Grant Robertson and Nanaia Mahuta in senior portfolios. The new administration pursued policies on housing, child poverty, and climate action linked to prior commitments under the Paris Agreement, while National moved to opposition under Bill English and later Simon Bridges leadership. The outcome reshaped New Zealand's political landscape and influenced subsequent parliamentary legislation and the approach to treaty negotiations with Ngāi Tahu and other iwi.

Category:General elections in New Zealand