2017 in New Zealand

Estimated populations as at 30 June.^[1]

• New Zealand total – 4,793,700
• North Island – 3,677,200
• South Island – 1,115,800

Estimated populations as at 30 June.^[1]

• Head of State – Elizabeth II
• Governor-General – Patsy Reddy

• 
  Elizabeth II
• 
  Patsy Reddy

2017 is the third and final full year of the 51st Parliament, which first sat on 21 October 2014 and was dissolved on 17 August 2017. A general election was held on 23 September to elect the 52nd Parliament.

The Fifth National Government, first elected in 2008, ends. The Sixth Labour Government begins.

• Speaker of the House – David Carter, then Trevor Mallard from 8 November
• Prime Minister – Bill English until 26 October, then Jacinda Ardern
• Deputy Prime Minister – Paula Bennett until 26 October, then Winston Peters
• Leader of the House – Gerry Brownlee until 2 May, then Simon Bridges until 26 October, then Chris Hipkins
• Minister of Finance – Steven Joyce until 26 October, then Grant Robertson
• Minister of Foreign Affairs – Murray McCully until 2 May, then Gerry Brownlee until 26 October, then Winston Peters

• 
  David Carter
• 
  Trevor Mallard
• 
  Bill English
• 
  Jacinda Ardern
• 
  Paula Bennett
• 
  Winston Peters
• 
  Gerry Brownlee
• 
  Chris Hipkins
• 
  Steven Joyce
• 
  Grant Robertson
• 
  Murray McCully

• Labour – Andrew Little until 1 August, then Jacinda Ardern (Leader of the Opposition until 26 October)
• Green – James Shaw and, until 9 August, Metiria Turei
• New Zealand First – Winston Peters
• Māori Party – Te Ururoa Flavell and Marama Fox
• ACT New Zealand – David Seymour
• United Future – Peter Dunne until 23 August, then Damian Light until 14 November (party disbanded)

• 
  Andrew Little
• 
  Jacinda Ardern
• 
  James Shaw
• 
  Metiria Turei
• 
  Winston Peters
• 
  Te Ururoa Flavell
• 
  Marama Fox
• 
  David Seymour
• 
  Peter Dunne

• Chief Justice – Sian Elias
• President of the Court of Appeal – Stephen Kós
• Chief High Court judge – Geoffrey Venning
• Chief District Court judge – Jan-Marie Doogue

• 
  Sian Elias
• 
  Stephen Kós

• Mayor of Auckland – Phil Goff
• Mayor of Tauranga – Greg Brownless
• Mayor of Hamilton – Andrew King
• Mayor of Wellington – Justin Lester
• Mayor of Christchurch – Lianne Dalziel
• Mayor of Dunedin – Dave Cull

• 
  Phil Goff
• 
  Greg Brownless
• 
  Andrew King
• 
  Justin Lester
• 
  Lianne Dalziell
• 
  Dave Cull

• 6 February – Sapphire Jubilee of Elizabeth II's accession as Queen of New Zealand
• 13 February – Fires in Hawke's Bay cause a state of emergency to be declared in Hastings.^[2][3]
• 13 February to 20 April – Wild fires burn on the Port Hills of Christchurch
• 22 February – The Canterbury Earthquake National Memorial opens on the sixth anniversary of the 2011 Christchurch earthquake
• 25 February – Mount Albert by-election takes place

• 7 March – Jacinda Ardern is elected deputy leader of the Labour Party
• March – Pumpkin Patch is put into liquidation^[4]

• 4 April – State of emergencies are declares in the Whanganui and Rangitikei districts in anticipation of ex tropical Cyclone Debbie.^[5]
• 6 April – A state of emergency is declared as the town of Edgecumbe is evacuated due to flooding caused by the remnants of Cyclone Debbie^[6]
• 13–14 April – Cyclone Cook, now an extratropical cyclone, moves across the North Island^[7]
• 24 April – Gerry Brownlee resigns from his portfolio of Minister for Supporting Greater Christchurch Regeneration.^[8]

• 25 May – The 2017 New Zealand budget is presented to Parliament by the Minister of Finance, Steven Joyce^[9]

• 5 June – The 2017 Queen's Birthday Honours are announced^[10]

• 19–21 July – Severe flooding hits the east coast of the South Island between Christchurch and Balclutha
• 21 July – Mycoplasma bovis disease is found in a South Island herd of cows

• 1 August – Jacinda Ardern elected leader of the Labour Party after Andrew Little resigns^[11]

• 23 September – The 2017 general election is held

• 26 October – Jacinda Ardern is sworn in as the 40th Prime Minister of New Zealand
• 31 October – Trolleybuses are withdrawn from service in Wellington^[12]

• 9 November – The New Zealand Police and Facebook launch an online Amber alert system to notify the public of missing children.^[13]

• 4 December – The Healthy Homes Guarantee Act 2017 receives royal assent, having passed its third reading in Parliament on 29 November
• 30 December – The 2018 New Year Honours are announced^[14]

• 2017 British & Irish Lions tour to New Zealand, 3 June – 8 July

• Ballinger Belt –
  • Jim Bailey (Australia)
  • Brian Carter (Te Puke), third, top New Zealander^[15]