Opinion polling for the New Zealand general election, 2017

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Various organisations have commissioned opinion polls for the 2017 New Zealand general election during the term of the 51st New Zealand Parliament (2014–2017). Roy Morgan Research poll monthly, with MediaWorks New Zealand (3 News/Newshub Reid Research) and Television New Zealand (One News Colmar Brunton) polling less frequently. The last The New Zealand Herald (Herald Digipoll) was in December 2015, and Fairfax Media (Fairfax Media Ipsos) have discontinued their poll since the 2014 election. The sample size, margin of error and confidence interval of each poll varies by organisation and date, but are typically 800-1000 participants with a margin of error of just over 3%.

The current Parliament was elected on Saturday 20 September 2014. The Prime Minister scheduled the 2017 New Zealand general election for Saturday 23 September 2017.[1]

Party vote and key events[edit]

Refusals are generally excluded from the party vote percentages, while question wording and the treatment of "don't know" responses and those not intending to vote may vary between survey organisations.

Graphical summary[edit]

The first graph below shows trend lines averaged across all polls for parties that received 5.0% or more of the party vote at the 2014 election. The second graph shows parties that received between 1.0% and 4.9% of the party vote or won an electorate seat at the 2014 election.

Summary of poll results given below from the election result 20 September 2014. For simplicity, only political parties that received 5.0% or more of the party vote at the 2014 election are shown. Lines give the mean estimated by a LOESS smoother (smoothing set to span = 0.35), with shaded grey areas showing the corresponding 95% confidence interval for the estimate. Figures to the right show the estimate from the smoothing line at the date of the most recent poll, with 95% confidence interval.
Summary poll results for political parties that received between 1.0% and 4.9% of the party vote or won an electorate seat at the 2014 election. Lines give the mean estimated by a LOESS smoother (smoothing set to span = 0.35), with shaded grey areas showing the corresponding 95% confidence interval for the estimate. Figures to the right show the estimate from the smoothing line at the date of the most recent poll, with 95% confidence interval.

Individual polls[edit]

Poll Date[nb 1] National Labour Green NZ First Māori ACT United
Future
Con Mana TOP
2014 election result[2] 20 Sep 2014 47.04 25.13 10.70 8.66 1.32 0.69 0.22 3.97 1.42[nb 2] N/A
Roy Morgan Research[3] 29 Sep – 12 Oct 2014 43.5 22.5 17.5 7 2 0.5 0.5 5 1 N/A
Roy Morgan Research[4] 27 Oct – 9 Nov 2014 49.5 24 14.5 6.5 1 0.5 0 2 0.5 N/A
Roy Morgan Research[5] 24 Nov – 7 Dec 2014 46 27 12 7 2 1.5 0 2.5 1 N/A
Herald-DigiPoll[6] 8–21 Dec 2014 50.4 28.9 9.5 5.6 1.5 0.4 0 2.9 0.2 N/A
Roy Morgan Research[7] 5–18 Jan 2015 52 26 11 6 1.5 1 0 2 0 N/A
3 News Reid Research[8] 20–28 Jan 2015 49.8 29.1 9.3 6.9 1.3 0.4 0 2.7 0.6 N/A
Roy Morgan Research[9] 2–15 Feb 2015 49 30 12 6 1 0 0 1.5 0 N/A
One News Colmar Brunton[10] 14–18 Feb 2015 49 31 10 6 1.5 0.3 0 1.4 0.4 N/A
Roy Morgan Research[11] 2–15 Mar 2015 46.5 31 11 6 2 1 1.5 N/A
28 Mar 2015 – The Northland by-election is won by New Zealand First leader Winston Peters.
One News Colmar Brunton[12] 11–15 Apr 2015 49 31 9 7 0.8 0.5 1.5 1.1 N/A
Roy Morgan Research[13] 6–19 Apr 2015 45.5 27.5 13.5 8 1.5 1 1 N/A
Herald-DigiPoll[14] 17–26 Apr 2015 51 28.7 10.8 6.1 0.8 0.8 1.1 N/A
Roy Morgan Research[15] 4–17 May 2015 54 25.5 10.5 6 1 1 0 1 N/A
21 May 2015 – The 2015 Budget is delivered.
One News Colmar Brunton[16] 23–27 May 2015 48 31 10 7 1.4 0.1 2.3 N/A
3 News Reid Research[17][18] 21–27 May 2015 46.4 30.4 11.1 8.1 1.1 0.5 1.9 0.1 N/A
30 May 2015 – James Shaw replaces Russel Norman as the Green Party co-leader.[19]
Roy Morgan Research[20] 8–21 Jun 2015 49.5 26 13 6.5 1 1 1 N/A
22–27 Jun 2015 – The Conservative Party disintegrates as leader Colin Craig and all board members resign. Acting leadership of the party is left unclear.[21]
Roy Morgan Research[22] 29 Jun – 12 Jul 2015 43 32 13 7 1.5 0.5 1.5 N/A
One News Colmar Brunton[23] 11–15 Jul 2015 47 32 13 7 0.4 0.4 0.5 N/A
3 News Reid Research[24][18] 15–22 Jul 2015 47 31.1 11.4 8.4 0.5 0.5 0.1 0.7 0.2 N/A
Roy Morgan Research[25] 3–16 Aug 2015 50.5 27 11 8 1.5 0.5 0.5 N/A
Herald-DigiPoll[26] 14–24 Aug 2015 50.8 31 9.2 6.9 1 0.2 0.6 0.2 N/A
One News Colmar Brunton[27] 29 Aug – 2 Sep 2015 47 32 12 7 1.2 0.1 0.1 0.2 N/A
Roy Morgan Research[28] 31 Aug – 13 Sep 2015 44.5 31 15 5.5 1.5 0.5 0.5 1 0.5 N/A
3 News Reid Research[29] 8–16 Sep 2015 47.3 33 10 7.9 0.5 0.6 0.5 N/A
Roy Morgan Research[30] 31 Sep – 11 Oct 2015 50 29 11.5 6.5 0.5 0.5 0.5 0.5 N/A
One News Colmar Brunton[31] 10–14 Oct 2015 47 31 12 9 0.8 0.2 0.4 N/A
Roy Morgan Research[32] 26 Oct – 8 Nov 2015 49 29.5 12 6 2 0.5 0.5 0.5 N/A
3 News Reid Research[33][18] 9–17 Nov 2015 46.7 32.3 10.2 7.5 1.3 0.8 0.7 0.2 N/A
Roy Morgan Research[34] 23 Nov – 6 Dec 2015 49 28.5 13 6 1.5 0.5 0.5 0.5 N/A
Herald-DigiPoll[35] 4–14 Dec 2015 51.3 31.1 8.2 5.7 2.1 0.8 0.3 N/A
Roy Morgan Research[36] 4–17 Jan 2016 47 27.5 14 6.5 3 0.5 1 N/A
4 Feb 2016 – The Trans-Pacific Partnership agreement is signed by the New Zealand government and 12 other partner countries.
Roy Morgan Research[37] 1–14 Feb 2016 48 27 14.5 6 1 0.5 1 0.5 N/A
One News Colmar Brunton[38] 13–17 Feb 2016 47 32 8 10 1.1 0.3 0.6 0.3 N/A
Roy Morgan Research[39] 29 Feb – 13 Mar 2016 46 28 14 9 1 1 0.5 0.5 N/A
One News Colmar Brunton[40] 2–6 Apr 2016 50 28 10 9 1.1 0.7 0.3 N/A
Roy Morgan Research[41] 4–17 Apr 2016 42.5 26 14.5 12.5 1.5 1.5 1 N/A
Roy Morgan Research[42] 2–15 May 2016 45.5 29.5 12 9.5 1 1 0 0.5 N/A
Newshub Reid Research[43][18] 12–22 May 2016 47 31.3 11.1 7.8 1 0.4 0.6 0.1 N/A
26 May 2016 – The 2016 Budget is delivered.
31 May 2016 – The Labour and Green parties undertake a memorandum of understanding.[44]
One News Colmar Brunton[45] 28 May – 2 Jun 2016 48 29 12 9 0.7 0.3 0.7 0.1 N/A
Roy Morgan Research[46] 12 Jun 2016 43.5 28 14.5 9 2 0.5 1 1 N/A
Roy Morgan Research[47] 17 Jul 2016 53 25.5 11.5 7 0.5 1 0.5 0.5 N/A
Newshub Reid Research[48][18] 22 Jul – 3 Aug 2016 45.1 32.7 11.5 8.1 1.3 0.2 0.1 0.5 0.4 N/A
Roy Morgan Research[49] 8–21 Aug 2016 46 25.5 14.5 9.5 1.5 1 1 0.5 N/A
One News Colmar Brunton[50] 3–7 Sep 2016 48 26 13 11 2 0.3 N/A
Roy Morgan Research[51] 5–18 Sep 2016 41.5 33.5 12 8.5 2 1 0.5 N/A
Roy Morgan Research[52] 10–23 Oct 2016 48 26.5 11.5 10 1.5 0.5 N/A
14 Nov 2016 – A 7.8 magnitude earthquake hits the coastal town of Kaikoura.
Nov 2016 – The Opportunities Party is inaugurated by Gareth Morgan.
One News Colmar Brunton[53] 12–23 Nov 2016 50 28 11 10 1 0.2
Roy Morgan Research[54] 24 Oct – 20 Nov 2016 49.5 23.0 14.5 8.0 1.5 1.0 0.5 0.5 0.0
3 Dec 2016 – Labour's Michael Wood wins the Mount Roskill by-election.
5 Dec 2016 – John Key announces that he will resign as Prime Minister of New Zealand, effective 12 December.
Roy Morgan Research[55] 28 Nov – 11 Dec 2016 45.0 28.5 14.5 7.5 1.0 0.5 0.5 0.5 0.5
12 Dec 2016 – Bill English replaces John Key as Prime Minister of New Zealand and Leader of the National Party, Paula Bennett becomes both Deputy Prime Minister and Deputy Leader.
Roy Morgan Research[56] 3–16 Jan 2017 46.0 27.0 12.5 9.0 2.0 0.5 0.5 0.5 0.0
1 Feb 2017 – Prime Minister Bill English announces that the election will take place on 23 September 2017.
Roy Morgan Research[57] 30 Jan – 12 Feb 2017 48.0 26.0 13.0 8.0 2.0 1.0 0.0 0.0 0.0
One News Colmar Brunton[58] 11–15 Feb 2017 46 30 11 11 0.7 0.8 0.3[59] 0.2 0.8 0.0[59]
25 Feb 2017 – Labour's Jacinda Ardern wins the Mount Albert by-election.
1 Mar 2017 – Annette King steps down as Labour Party Deputy Leader and announces her retirement from Parliament, effective September. Mount Albert MP Jacinda Ardern is nominated as her successor and is confirmed six days later with the unanimous support of Labour's caucus.
6 Mar 2017 – The Opportunities Party is registered by the Electoral Commission.[60]
Roy Morgan Research[61] 27 Feb – 12 Mar 2017 43.5 29.5 14.5 7.5 2.0 0.5 0.5 0.5 0.5
Newshub Reid Research[62][63] 10–19 Mar 2017 47.1 30.8 11.2 7.6 0.7 0.4 0.4 0.4 0.0 0.8
One News Colmar Brunton[64][65] 18–22 Mar 2017 46 30 11 8 4 0.4 0.3 0.2 0.4
Roy Morgan Research[66] 3–16 Apr 2017 43.0 29.5 13.0 10.5 1.0 1.5 0.0 0.5 0.0
Roy Morgan Research[67] 1–14 May 2017 43.0 28.5 14.0 10.0 1.5 0.5 0.0 0.0 0.5
25 May 2017 – The 2017 budget is delivered.
Listener: Bauer Media Insights[68] 19–24 May 2017 43.75 23.75 16.25 10.00 1.25 1.25 0.00 1.25 2.50
One News Colmar Brunton[69][70] 21–31 May 2017 49 30 9 9 0.6 0.5 0.1 1.4
Roy Morgan Research[71] 29 May – 11 Jun 2017 46.5 25.5 14.0 9.0 1.5 1.0 0.0 0.0 0.5
Newshub Reid Research[72][63] 12 Jun 2017 47.4 26.4 12.5 9.4 0.7 0.9 0.3 0.8 0.3 0.8
21 Jun 2017 – National MP Todd Barclay announces he will not seek re-election after it was revealed that he secretly recorded a staff member's conversations without her consent.[73] Police re-open their investigation five days later, after Bill English stated that Barclay had admitted to him that he made the recording.[74]
One News Colmar Brunton[75] 1–5 Jul 2017 47 27 11 11 1.8 0.3 0.2 0.1 0.3 1.1
Roy Morgan Research[76] 26 Jun – 9 Jul 2017 43 30.5 13.5 8.0 1.5 1.0 0.0 0.0 0.0
16 Jul 2017 – Green Party co-leader Metiria Turei admits to not disclosing to Work and Income New Zealand that she was accepting rent from flatmates while on the Domestic Purposes Benefit in the early 1990s.[77]
One News Colmar Brunton[78][79] 22–27 Jul 2017 47 24 15 11 0.6 0.3 0.1 1.5
Newshub Reid Research[80] 20–28 Jul 2017 45.2 24.1 13 13 1.2 0.5 0.2 0.2 0.2[81] 2
1 Aug 2017 – Labour Party leader Andrew Little resigns as Leader of the Labour Party following consecutive poll results that show Labour with low support. Jacinda Ardern is confirmed as Leader shortly after while Kelvin Davis assumes the role of Deputy Leader.
Listener: Bauer Media Insights[82] 1-2 Aug 2017 45.42 26.79 13.98 9.32 0.00 1.17 0.00 0.00 0.00 2.33
3 Aug 2017 – Green Party co-leader Metiria Turei admits to registering a false residential address to vote for a friend who was running in the Mount Albert electorate in 1993.[83] The controversy leads Green Party MPs David Clendon and Kennedy Graham to withdraw from the party list four days later.[84]
Newshub Reid Research[85] 2–8 Aug 2017 44.4 33.1 8.3 9.2 1.5 0.6 0.1 0.3 0.3 2
9 Aug 2017 – Green Party co-leader Metiria Turei resigns as co-leader and from the party list following her admission of benefit fraud.[86]
Roy Morgan Research[87] 31 Jul – 13 Aug 2017 42.5 32.5 9.0 11.5 1.5 0.5 0.0 0.0 0.0 2.0
One News Colmar Brunton[88][89] 12–16 Aug 2017 44 37 4.3 10 1.7 0.4 0.0 2.1
21 Aug 2017 – United Future leader and Minister of Internal Affairs Peter Dunne announces his retirement from politics.[90] Damian Light (candidate for Botany) is appointed leader 2 days later.[91]
27 Aug 2017 – Controversy arises after a leak reveals that NZ First leader Winston Peters was overpaid in his superannuation payments for years.[92][93]
Newshub Reid Research[94][81] 22–30 Aug 2017 43.3 39.4 6.1 6.6 1.0 0.6 0.1 0.3 0.0 1.9
One News Colmar Brunton[95][96] 26–30 Aug 2017 41 43 5 8 0.5 0.3 0.9
Listener: Bauer Media Insights[97] 1-5 Sep 2017 38.9 41.1 6.7 8.9 1.1 1.1 2.2
One News Colmar Brunton[98][99] 2–6 Sep 2017 39 43 5 9 2.0 0.1 1.9
Newsroom-SSI[100] 4–6 Sep 2017 30 45 6 11 2 1 2
Roy Morgan Research[101] 28 Aug – 10 Sep 2017 40 39.5 9 6 2 0.5 0 0.5 2
Newshub Reid Research[102][81] 6–11 Sep 2017 47.3 37.8 4.9 6.0 1.1 0.6 0.1 0.3 0.1 1.6
11 Sep 2017 – Advance voting for the election begins. The Electoral Commission predicts up to 50% of voters will cast their vote before election day (up from 30% in 2014).[103]
One News Colmar Brunton[104][105] 9–13 Sep 2017 40 44 7 6 0.9 0.6 1.6
Newshub Reid Research[106][18] 13–20 Sep 2017 45.8 37.3 7.1 7.1 0.4 0.6 0.6[107] 0.1 0.9
One News Colmar Brunton[108][109] 15–19 Sep 2017 46 37 8 4.9 0.5 0.3 2.3
23 Sep 2017 – Election Day:
2017 election result[110] 23 Sep 2017 44.4 36.9 6.3 7.2 1.2 0.5 0.1 0.2 0.1 2.4
Poll Date[nb 1] National Labour Green NZ First Māori ACT United
Future
Con Mana TOP

UMR and Curia polls[edit]

These polls are typically unpublished and are used internally for Labour (UMR) and National (Curia). Although these polls are sometimes leaked or partially leaked, their details are not publicly available for viewing and scrutinising. Because not all of their polls are made public, it is likely that those which are released are cherry-picked and therefore may not truly indicate ongoing trends.

Poll Date[nb 1] National Labour Green NZ First Māori ACT Con Mana TOP
2014 election result[2] 20 Sep 2014 47.04 25.13 10.70 8.66 1.32 0.69 3.97 1.40[nb 2] N/A
UMR Research[111] Oct 2014 50 24 13 7.8 1.5 0.6 3.0 0.8 N/A
UMR Research[111] Nov 2014 47 25 13 7.6 2.7 0.4 3.0 0.8 N/A
UMR Research[111] Dec 2014 45 30 14 6.1 0.6 0.2 3.3 0.5 N/A
UMR Research[112] Jan 2015 48 31 12 5.8 1.0 0.0 1.6 0.0 N/A
UMR Research[112] Feb 2015 46 32 12 5.0 1.5 0.7 2.7 0.3 N/A
UMR Research[112] Mar 2015 46 31 11 6.9 1.6 0.4 3.1 0.4 N/A
UMR Research[112] Apr 2015 43 32 13 7.6 1.8 1.1 1.2 0.3 N/A
UMR Research[112] May 2015 46 31 10 6.8 1.3 1.1 3.0 0.4 N/A
UMR Research[112] Jun 2015 45 32 13 7.5 1.2 0.5 0.9 0.2 N/A
UMR Research[112] Jul 2015 41 35 14 6.7 1.2 0.3 3.0 0.5 N/A
UMR Research[112] Aug 2015 42 31 14 8.5 1.5 0.5 0.4 0.4 N/A
UMR Research[112] Sep 2015 45 31 13 8.7 0.1 0.8 1.0 0.4 N/A
UMR Research[112] Oct 2015 48 31 10 7.9 1.1 1.0 0.5 0.2 N/A
UMR Research[112] Nov 2015 44 31 13 8.0 1.5 0.5 1.2 0.1 N/A
UMR Research[112] Dec 2015 45 35 10 8.3 1.0 1.0 0.2 0.2 N/A
UMR Research[113] 31 Aug – 5 Sept 2016 40 31 14 11 N/A
UMR Research[114] Late Jan 2017 46 30 11 9
UMR Research[114] Early Feb 2017 44 30 12 11
UMR Research[114] Late Feb 2017 48 28 12 8
UMR Research[114] Early Mar 2017 42 30 14 10
UMR Research[114] Late Mar 2017 44 30 12 10
UMR Research[114] Early Apr 2017 43 28 13 12
UMR Research[114] Late Apr 2017 43 28 12 12
UMR Research[114] Early May 2017 42 34 13 9
UMR Research[114] Late May 2017 44 30 13 9
UMR Research[114] Early Jun 2017 42 32 13 9
UMR Research[114] Late Jun 2017 43 29 12 11
UMR Research[114] 5–10 Jul 2017 42 26 13 14
UMR Research[115][116] Late Jul 2017 42 23 15 16
UMR Research[117][118] 1–8 Aug 2017 43 36 8 8 3
UMR Research[119][120] 11–16 Aug 2017 40 37 8 9 3.5
Curia[121] 20 Sep 2017 43 39 6 6

Preferred Prime Minister[edit]

Graphical summary[edit]

Summary of Preferred Prime Minister Polls from 2015 to September 2017. Lines show the mean, as estimated by a Loess smoother. Figures to the right show the estimate from the smoothing line at the date of the most recent poll, with 95% confidence interval.

Individual polls[edit]

Poll Date[nb 1] Bill English Jacinda Ardern Winston Peters James Shaw Hone Harawira Gareth Morgan Peter Dunne Metiria Turei Andrew Little John Key
Herald-DigiPoll[6] 8–21 Dec 2014 1.7 13.6 65
3 News-Reid Research[8][122] 20–28 Jan 2015 0.3 7.6 9.8 44.0
One News-Colmar Brunton[10] 14–18 Feb 2015 0.6 0.7 7.0 0.4 1.1 12.0 41.0
Herald-DigiPoll[14] 17–26 Apr 2015 12 13.9 64.6
3 News Reid Research[17][122] 21–27 May 2015 0.6 11.2 11.6 39.4
3 News Reid Research[24][122] 15–22 Jul 2015 0.2 11.3 0.2 10.2 38.3
Herald-DigiPoll[26] 14–24 Aug 2015 3.9 11.6 0.6 0.9 13.3 63.7
3 News Reid Research[29][122] 8–16 Sep 2015 0.3 3.5 8.6 0.2 0.1 10.8 39.5
3 News Reid Research[33][122] 9–17 Nov 2015 0.7 4.2 9.3 0.1 10.4 38.3
Herald-DigiPoll[35] 4–14 Dec 2015 2.8 7.9 16.2 65.2
One News Colmar Brunton[53] 2–6 Apr 2016 0.9 2 10 0.4 7 39
Newshub Reid Research[43][18][81] 12–22 May 2016 0.2 2.6 12.1 0.5 8.9 36.7
One News Colmar Brunton[53] 28 May – 2 Jun 2016 0.4 1 12 0.4 7 39
Newshub Reid Research[48][18][81] 22 Jul – 3 Aug 2016 0.3 2.9 10.9 0.9 0.3 1 10.5 36.7
One News Colmar Brunton[53] 3–7 Sep 2016 1 11 0.1 10 38
One News Colmar Brunton[53][123] 12–23 Nov 2016 1 8 0.3 0.1 0.3 1 8 36
12 Dec 2016 – Bill English replaces John Key as Prime Minister of New Zealand and Leader of the National Party.
One News Colmar Brunton[58][123] 11–15 Feb 2017 31 4 8 0.3 0.1 2 7 2
Newshub Reid Research[62][81] 10–19 Mar 2017 25 10.5 8.9 0.1 1 8.3 5.9
One News Colmar Brunton[65][123] 18–22 Mar 2017 26 9 9 0.5 0.3 0.2 0.4 7 2
Listener: Bauer Media Insights[68] 19–24 May 2017 39 16 9 2 2 3 13
One News Colmar Brunton[69][123] 21–31 May 2017 29 6 7 0.4 0.2 0.1 0.7 8 2
Newshub Reid Research[72][81][122] 2–12 Jun 2017 26.2 6.6 9.7 0.7 0.3 0.5 0.3 1.4 7 5.9
One News Colmar Brunton[75][123] 1–5 Jul 2017 26 6 11 0.5 0.5 0.7 0.2 5 1
One News Colmar Brunton[78][123] 22–27 Jul 2017 28 6 10 0.2 0.3 0.2 1 6 1
Newshub Reid Research[80][81] 20–28 Jul 2017 25.8 8.7 11.9 0.7 0.2 0.8 0.4 1.6 7.1 6
1 Aug 2017 – Jacinda Ardern replaces Andrew Little as Leader of the Opposition and Leader of the Labour Party.
Newshub Reid Research[85][81] 2–8 Aug 2017 27.7 26.3 10 0.2 0.5 0.6 0.8 0.9 4.9
9 Aug 2017 – Metiria Turei resigns as co-leader of the Green Party.
One News Colmar Brunton[88][124] 12–16 Aug 2017 30 30 7 0.3 0.4 0.7 0.5
21-23 Aug 2017 – Peter Dunne retires as leader of United Future and is replaced by Damian Light.[125][90]
Newshub Reid Research[94][81] 22–30 Aug 2017 30.1 29.9 6.9 0.5 0.1 0.6 0 0.8 0.3 4.6
One News Colmar Brunton[95][96] 26–30 Aug 2017 33 34 4 0.4 0.4 0.8
Listener: Bauer Media Insights[97] 1-5 Sep 2017 36 46 6 1 1
One News Colmar Brunton[98][99] 2–6 Sep 2017 31 35 5 1 0.1 0.5 0.1 0.7
Newsroom: SSI[100] 4–6 Sep 2017 31 45 11
Newshub Reid Research[126][81] 6–11 Sep 2017 33.1 31.7 6.9 0.6 0.3 0.8 0.2 0.8 0.1 4.1
One News Colmar Brunton[104][105] 9–13 Sep 2017 32 34 5 0.3 0.3 0.2 0.6
Newshub Reid Research[106][122] 13–20 Sep 2017 34.7 29.6 7.1 0.6 0.5 0.1 0.5 0.4 3.6
One News Colmar Brunton[108][109] 15–19 Sep 2017 37 31 6 0.3 0.3 0.2 0.1 0.7
Poll Date[nb 1] Bill English Jacinda Ardern Winston Peters James Shaw Hone Harawira Gareth Morgan Peter Dunne Metiria Turei Andrew Little John Key

Electorate polling[edit]

Ōhāriu[edit]

Party vote[edit]

Poll Date [nb 1] National Labour Green NZ First TOP United Future Māori ACT
2014 election result 20 September 2014 50.23 23.42 15.01 4.76 N/A* 0.73 0.57 0.67
Q+A Colmar Brunton[127] 5 – 9 Aug 2017 46 35 12 4 1.8 0.5 0.4 0.3

* The Opportunities Party did not exist until 2016.

Candidate vote[edit]

Poll Date [nb 1] Labour

Greg O'Connor

United Future

Peter Dunne

National

Brett Hudson

Green

Tane Woodley

TOP

Jessica Hammond Doube

ACT

Andie Moore

Labour

Ginny Andersen

ACT

Sean Fitzpatrick

2014 election result 20 September 2014 N/A 36.23 16.34 7.38 N/A* N/A 34.34 0.55
14 Feb 2017 – Green Party choose not to stand a candidate to help Labour candidate Greg O'Connor defeat Peter Dunne.[128]
Q+A Colmar Brunton[127] 5 – 9 August 2017 48 34 14 2 1 N/A N/A
21 Aug 2017 – Ōhāriu Incumbent Peter Dunne (leader of United Future) announces that he will now be retiring from politics.[90]
23 Aug 2017 – United Future stand Bale Nadakuitavuki as a candidate[129] and Green Party reinstate Tane Woodley as a candidate.[130]

* The Opportunities Party did not exist until 2016.

Waiariki[edit]

Party vote[edit]

Poll Date [nb 1] Labour Māori NZ First National Green
2014 election result 20 September 2014 38.37 21.79 12.54 5.00 7.98
Community Engagement Ltd[131] 19 – 22 July 2017 19.4 18.9 25.7 13.4 12.1
Maori TV-Reid Research[132] July – 3 September 2017 49.6 26.5 10.2 5.6 4.8

Candidate vote[edit]

Poll Date [nb 1] Māori

Te Ururoa Flavell

Labour

Tamati Coffey

Labour

Rawhiri Waititi

Mana

Annette Sykes

2014 election result 20 September 2014 43.42 N/A 26.06 24.48
26 Aug 2016 – Rawhiri Waititi cuts allegiances with Labour after being inspired by the Māori King to encourage Mana and Māori parties to win all Māori electorates by working together.[133]

07 Oct 2016 – Tamati Coffey is announced as Labour candidate for Waiariki electorate. Coffey ran for Rotorua electorate in 2014 gaining 33.18% of the vote against Todd McClay who won with 54.97% of the vote.[134]

20 Feb 2017 – Mana begin a memorandum of understanding with the Māori Party to not contest in any electorates where Māori Party have candidates, in an attempt to win back the Māori electorates from Labour.[135]

Community Engagement Ltd[131] 19 – 22 July 2017 31.6 30.1 N/A N/A
Maori TV-Reid Research[132] July – 3 September 2017 60.1 39.9 N/A N/A

The Māori roll (all 7 electorates)[edit]

Poll Date [nb 1] Labour Māori NZ First National Green Mana TOP
2014 election result 20 September 2014 41.22 14.05 12.98 7.93 11.17 10.22[nb 2] N/A*
Māori TV, Reid Research Poll[136] 11 Jul – 17 Aug 2017 46.5 17.5 13.8 9.5 9.0 1.8 1.5

* The Opportunities Party did not exist until 2016.

Whangarei[edit]

Party vote[edit]

Poll Date [nb 1] National Labour NZ First Green Māori ACT TOP
2014 election result 20 September 2014 50.08 17.80 13.36 9.77 0.53 0.55 N/A*
30 Jun 2017 – Shane Jones is confirmed as the New Zealand First candidate in Whangarei (National have held the Whangarei seat since 1975).[137]
Q+A Colmar Brunton[138] 19 – 22 Aug 2017 41 37 16 3.6 1.3 1.0 0.4

* The Opportunities Party did not exist until 2016.

Candidate vote[edit]

Poll Date [nb 1] National

Shane Reti

NZ First

Shane Jones

Labour

Tony Savage

Green

Ash Holwell

DFSC

Chris Leitch

ACT

Robin Grieve

Labour

Kelly Ellis

NZ First

Pita Paraone

Green

Paul Doherty

2014 election result 20 September 2014 55.07 N/A N/A N/A 2.68 0.78 19.01 8.06 8.66
30 Jun 2017 – Shane Jones is confirmed as the New Zealand First candidate in Whangarei (National have held the Whangarei seat since 1975).[137]
Q+A Colmar Brunton[138] 19 – 22 Aug 2017 42 24 22 10 1.7 0.1 N/A N/A N/A

Ikaroa-Rāwhiti[edit]

Party vote[edit]

Poll Date [nb 1] Labour Māori Mana National NZ First Green ACT TOP
2014 election result 20 September 2014 47.38 12.19 N/A 5.37 11.25 10.28 0.11 N/A
Māori TV Reid Research[139] 11 Jul – 17 Aug 2017 50.4 21.1 1.3 5.9 12 7.5 0.3 1.6

Candidate vote[edit]

Poll Date [nb 1] Labour

Meka Whaitiri

Māori

Marama Fox

Green

Elizabeth Kerekere

Māori TV Reid Research[139] 11 Jul – 17 Aug 2017 55 39 6

Te Tai Hauāuru[edit]

Party vote[edit]

Poll Date [nb 1] Labour Māori National Green NZ First Mana TOP
2014 election result 20 September 2014 42.23 17.64 7.11 11.93 11.79 6.82 N/A
Māori TV Reid Research[139] 11 Jul – 17 Aug 2017 41.8 24 11.2 9.1 11 1.3 1.3

Candidate vote[edit]

Poll Date [nb 1] Labour

Adrian Rurawhe

Māori

Howie Tamati

Green

Jack McDonald

Māori TV Reid Research[139] 11 Jul – 17 Aug 2017 39 52 9.1

Te Tai Tonga[edit]

Party vote[edit]

Poll Date [nb 1] Labour National Māori Green NZ First ACT TOP
2014 election result 20 September 2014 36.7 14.92 11.19 16.41 12.82 0.17 N/A
Māori TV Reid Research[139] 11 Jul – 17 Aug 2017 47.6 14.1 11.7 9.3 14.4 0.3 2.4

Candidate vote[edit]

Poll Date [nb 1] Labour

Rino Tirikatene

Māori

Mei Reedy-Taare

Green

Metiria Turei

Māori TV Reid Research[139] 11 Jul – 17 Aug 2017 57.1 22.1 20.7

Hauraki-Waikato[edit]

Party vote[edit]

Poll Date [nb 1] Labour NZ First Māori
2014 election result 20 September 2014 46.50 13.37 11.97
Māori TV-Reid Research[140] 11 Jul – 3 Sept 2017 52.6 15.1 14.5

Candidate vote[edit]

Poll Date [nb 1] Labour

Nanaia Mahuta

Māori

Rahui Papa

Mana

Susan Cullen

2014 election result 20 September 2014 59.54 21.96 15.22
Māori TV-Reid Research[140] 11 Jul – 3 Sept 2017 78 22 N/A

Tāmaki Makaurau[edit]

Party vote[edit]

Poll Date [nb 1] Labour NZ First Māori Green National
2014 election result 20 September 2014 40.45 13.98 12.72 11.69 7.55
Māori TV-Reid Research[141] 12 Jul – 5 Sept 2017 47.0 12.6 14.5 11.3 12.6

Candidate vote[edit]

Poll Date [nb 1] Labour

Peeni Henare

Māori

Shane Taurima

Green

Marama Davidson

Māori

Rangi McLean

2014 election result 20 September 2014 37.48 N/A 15.60 30.21
Māori TV-Reid Research[141] 12 Jul – 5 Sept 2017 46.0 32.6 21.4 N/A

Te Tai Tokerau[edit]

Party vote[edit]

Poll Date [nb 1] Labour NZ First Māori Green National Mana
2014 election result 20 September 2014 38.8 8.1 9.1 8.7 10.2 16.3
Māori TV-Reid Research[142] 12 Jul – 5 Sept 2017 49.7 14.7 9.7 10.3 7.9 6.1

Candidate vote[edit]

Poll Date [nb 1] Labour

Kelvin Davis

Mana

Hone Harawira

Green

Godfrey Rudoplh

2014 election result 20 September 2014 43.90 40.53 N/A
Māori TV-Reid Research[142] 12 Jul – 5 Sept 2017 67.4 30.3 2.3

Forecasts[edit]

The use of mixed-member proportional representation allows ready conversion of a party's support into a party vote percentage and therefore a number of seats in Parliament. Projections generally assume no changes to electorate seats each party holds (ACT retains Epsom, Māori retains Waiariki, Labour retains Te Tai Tokerau, etc.) unless there is a specific reason to assume change. For example, after Peter Dunne announced his retirement, projections stopped assuming United Future would retain Ōhāriu. Other parties that do not pass the 5% threshold are assumed to not to win an electorate and therefore gain no seats.

Radio New Zealand takes a "poll of polls" average to produce their forecast. The New Zealand Herald bases theirs on a predictive model incorporating poll data as well as past election results and past poll accuracy.[143] Newshub and 1 News and produce projections based on their own polls only.

When determining the scenarios for the overall result, the minimum parties necessary to form majority governments are listed (provided parties have indicated openness to working together). Actual governments formed may include other parties beyond the minimum required for a majority. This happened after the 2014 election, when National only needed one seat from another party to reach a 61-seat majority, but they formed a 64-seat government with Māori, ACT and United Future.

Party Newshub[144]
13–20 Sep 2017 poll [final]
1 News[145]
15–19 Sep 2017 poll [final]
Roy Morgan[146]
28 Aug–10 Sep 2017 poll [final]
Radio NZ[147]
as of 21 Sep 2017 [final]
NZ Herald[148]
as of 22 Sep 2017 [final]
Stuff[149]
as of 22 Sep 2017 [final]
Official result
National 56 58 50 55 56 (±2) 54 56
Labour 45 46 49 46 47 (±3) 46 46
NZ First 9 6 7 8 9 (±2) 7 9
Green 9 9 11 9 7 (±2) 10 8
ACT 1 1* 1 1 1 1 1
Māori 2** 1 2 1 1 1 0
Seats in Parliament 122 121 120 120 120[nb 3] 120[nb 4] 120
Overall result (majority) National−NZ First (65) National−NZ First (64) Labour−Green−Māori (62) National–NZ First (63) National–NZ First (65) National–NZ First (61) National–NZ First (65)
Labour−Green−NZ First (63) Labour−Green−NZ First (61) Labour−Green−NZ First (63) Labour−Green–NZ First (62) Labour−Green–NZ First (63) Labour−Green–NZ First (63)
* indicates an overhang seat
  1. ^ a b c d e f g h i j k l m n o p q r s t u v w x These are the survey dates of the poll, or if the survey dates are not stated, the date the poll was released.
  2. ^ a b c For the Internet MANA party vote alliance.
  3. ^ The Herald's forecasted numbers are the medians of all likely outcomes for that party. The sum of the parties' forecasted seats does not necessarily equal the total likely seats in Parliament. In this table, "Seats in Parliament" is calculated by adding the number of forecast overhang seats to 120, even if the individual parties' seat projections do not add up to this number.
  4. ^ Stuff's projected numbers add up to 119, but this outcome is impossible. Calculation (based on exact percentage) shows that 120th and last seat would be allocated to Labour. Taking into account that the polling average have three significant figures it is not possible to decide which party get the last seat.

New Zealand does not have a strong tradition of third-party forecast models. Some private individuals have created their own projection models.[150][151]

See also[edit]

Notes[edit]

References[edit]

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