- Estimated population as of 31 December: 1,450,400
- Increase since previous 31/12/1926: 20,700 (1.45%)
- Males per 100 females: 104.3
Regal and viceregal
The 22nd New Zealand Parliament continued. Government was by the Reform Party with a strong majority, and with the Labour and Liberal parties in opposition.
Main centre leaders
Arts and literature
See 1927 in art, 1927 in literature, Category:1927 books
See: 1927 in music
See: Public broadcasting in New Zealand
See: Category:1927 film awards, 1927 in film, List of New Zealand feature films, Cinema of New Zealand, Category:1927 films
- The New Zealand Badminton Federation, now Badminton New Zealand, is founded and the first National Championships are held, at Wanganui.
- Men's singles: R. Creed-Meredith
- Women's singles: E. Hetley
- Men's doubles: R. Creed-Meredith and M. Fell
- Women's doubles: E. Hetley and N. Wanklyn
- Mixed doubles: R. Creed-Meredith and E. Hetley
The 36th National Chess Championship was held in Auckland, and was won by A.W.O. Davies of Auckland, his third title.
- The 17th New Zealand Open championship was won by Ernie Moss.
- The 31st National Amateur Championships were held in Hamilton 
- Men: Sloan Morpeth (Maungakiekie) - 2nd title
- Women: Mrs ? Collinson
Category:Rugby union in New Zealand Category:All Blacks Ranfurly Shield
New Zealand national rugby league team
- 1927 Chatham Cup won by Ponsonby
- Canada toured New Zealand, playing a series of four internationals which they won 2-1.
- 25 June, Dunedin: Draw 2-2
- 2 July, Christchurch: NZ 1-2 Canada
- 9 July, Wellington: NZ 1-0 Canada
- 23 July, Auckland: NZ 1-4 Canada
- Provincial league champions: 
- Auckland: Thistle
- Canterbury: Nomads
- Hawke's Bay: Napier Rangers
- Nelson: Athletic
- Otago: Northern
- South Canterbury: Rangers
- Southland: Corinthians
- Taranaki: Caledonian
- Waikato: Waihou
- Wanganui: Eastbrooke
- Wellington: YMCA
- 7 January: Mary Batchelor, politician.
- 11 January: John Hayes, cricketer.
- 12 January: Maurice Marshall, athlete.
- 18 February: Hugh Kawharu, academic and Māori leader.
- 14 April: Alan MacDiarmid, Nobel laureate chemist.
- 17 May: Jacqueline Sturm, writer.
- 22 May: Eric Petrie, cricketer.
- 27 June: Brian Brake, photographer.
- 18 July: Zin Harris, cricketer.
- 25 July: James Belich, mayor of Wellington.
- 15 November: Wallace Edward (Bill) Rowling, politician and 30th Prime Minister of New Zealand.
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Media related to 1927 in New Zealand at Wikimedia Commons