Estimated population as of 31 December: 2,316,000Increase since 31 December 1957: 53,200 (2.35%)Males per 100 females: 101.3Regal and viceregal
Head of State – Elizabeth IIGovernor-General – The Viscount Cobham GCMG TD.The 32nd New Zealand Parliament commenced. In power was the newly elected Labour government led by Walter Nash.
Speaker of the House – Robert Macfarlane.Prime Minister – Walter Nash.Deputy Prime Minister – Clarence Skinner.Minister of Finance – Arnold Nordmeyer.Minister of Foreign Affairs – Walter Nash.Attorney-General – Rex Mason.Leader of the Opposition – Keith Holyoake (National).Main centre leaders
Mayor of Auckland – Keith ButtleMayor of Hamilton – Roderick BraithwaiteMayor of Wellington – Frank KittsMayor of Christchurch – Robert Macfarlane then George ManningMayor of Dunedin – Leonard Morton Wright26 June – 'Black Budget', raising taxes on tobacco, alcohol and petrol, passed by second Labour government.June – New Zealand's first supermarket, Foodtown, opens at Otahuhu.3 September – Brian Barratt-Boyes performs New Zealand's first open heart surgery at Auckland's Green Lane Hospital.29 September – The emergency number 111 for fire, police and ambulance is introduced; initially only in Masterton and Carterton.United States base for Operation Deep Freeze is established at Christchurch Airport.The Wairakei Power Station is commissioned. It is New Zealand's first geothermal power station, and only the second large-scale geothermal power station in the world.Arts and literature
The Robert Burns Fellowship is established to honour the bicentennary of the poet's birth.See 1958 in art, 1958 in literature, Robert Burns Fellowship, Category:1958 books
See: 1958 in music
See: Public broadcasting in New Zealand
See: Category:1958 film awards, 1958 in film, List of New Zealand feature films, Cinema of New Zealand, Category:1958 films
Ray Puckett wins his first national title in the men's marathon, clocking 2:37:28 in Lower Hutt.The 65th National Chess Championship was held in Christchurch, and was won by J.R. Phillips of Auckland.New Zealand Trotting Cup: False StepAuckland Trotting Cup: MacklinThe All Blacks played three Test matches against the touring Australian side, retaining the Bledisloe Cup:23 August, Athletic Park (Wellington), Wellington: New Zealand 25 – 3 Australia6 September, Lancaster Park, Christchurch: New Zealand 3 – 6 Australia20 September, Epsom Showgrounds, Auckland: New Zealand 17 – 8 AustraliaThe national men's team played seven matches including five internationals:16 August, Wellington: NZ 2 – 3 Australia23 August, Auckland: NZ 2 – 2 Australia26 August, Hamilton: NZ 3 – 0 Waikato XI31 August, Nouméa: NZ 2 – 1 New Caledonia7 September, Nouméa: NZ 5 – 1 New Caledonia14 September, Nouméa: NZ 2 – 1 New Caledonia18 September, Auckland: NZ 1 – 1 AucklandThe Chatham Cup was won by Seatoun for the second consecutive year. They beat Christchurch city 7-1 in the final.Provincial league champions:Auckland: OnehungaBay of Plenty: RangersBuller: Millerton ThistleCanterbury: WesternHawke's Bay: Napier AthleticManawatu: Kiwi UnitedMarlborough: SpartansNelson: SettlersNorthland: Marlin RoversOtago: Northern AFCPoverty Bay: Eastern UnionSouth Canterbury: West EndSouthland: BrigadiersTaranaki: CityWaikato: Hamilton Technical OBWairarapa: Masterton AthleticWanganui: Wanganui AthleticWellington: Seatoun AFC1 January: Lesley Shankland (later Murdoch), cricketer7 February: Simon Upton, politician30 March: Peter Ellis, convicted for child abuse15 April: John Bracewell, cricket player and coach16 May (in the U.S.A.): Thomas "Tab" Baldwin, basketball coach27 May: Neil Finn, singer, songwriter28 May: Dennis May, karate master14 September: Jeff Crowe, cricketer27 September: Mitch Shirra, motorcycle speedway rider17 November: Frank van Hattum, soccer player23 November: Martin Snedden, cricketer and sports administrator30 November: Barry Cooper, cricketer2 December: Roger Sowry, politician14 December (In Scotland): Alan Boath, footballerDaryl Crimp, writer, illustrator and cartoonistA J Hackett, extreme sports entrepreneur(in Zambia): Vicky Jones, children's authorPio Terei, actor, singer and comedianJools and Lynda Topp (the Topp Twins, entertainersJane Wrightson, chief censorCategory:1958 births
12 March: Bill Barnard, politician – 10th Speaker of the House of Representatives1 June: Fred Baker, soldier17 July: William Burgoyne Taverner, MP and Mayor of Dunedin9 October: Merton Hodge, playwright25 October: James Chapman-Taylor, architectWilliam Montgomery, Jr., politicianRobert William Smith, politicianCategory:1958 deaths