Opinion polling for the New Zealand general election, 2005

Opinion polling was commissioned throughout the duration of the 47th New Zealand Parliament and in the leadup to the 2005 election by various organisations.

Party vote and key events in the leadup to the 2005 election

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 firms.

Graphical summary

Summary of available poll results (including electoral results) for the 2002-2005 electoral term for all political parties that have exceeded the 5.0% mixed member proportional representation (MMP) threshold. Lines give the mean estimated by a Loess smoother.

Individual polls

Poll	Date	Labour	National	NZ First	ACT	Green	United Future	Māori	Destiny
2002 election result	27 July 2002	41.26	20.93	10.38	7.14	7.00	6.69	N/A[note 1]
2003 - Destiny New Zealand is formed
7 July 2004 - The Māori Party is formed
One News Colmar Brunton[1]	February 2005	39	44	5	2	4	1	2
One News Colmar Brunton[1]	March 2005	35	46	5	3	5	1	1
One News Colmar Brunton[1]	April 2005	38	45	7	3	4	1	1
One News Colmar Brunton[1]	May 2005	37	44	8	2	4	1	2
One News Colmar Brunton[1]	June 2005	43	41	7	2	3	1	2
One News Colmar Brunton[1]	July 2005	39	42	7	1	6	1	2
Roy Morgan Research[2]	21 July — 1 August 2005	38	38	10	1.5	6	2
One News Colmar Brunton[1]	1 August – 4 August 2005	41	45	5	2	3	1	1
Roy Morgan Research[2]	2 August – 15 August 2005	40	36.5	8	2.5	7.5	2
One News Colmar Brunton[1]	15 August – 18 August 2005	37	45	6	2	6	1	1	1
One News Colmar Brunton[1]	22 August – 25 August 2005	40	43	5	2	7	1	1	1
One News Colmar Brunton[1]	29 August – 1 September 2005	38	46	5	1	6	1	2	1
Herald-DigiPoll[3]	3 September — 13 September 2005	38.5	37	6.5	3	7.5
One News Colmar Brunton[1]	5 September – 8 September 2005	39	41	6	3	6	2	1	1
3 News TNS[3]	8 September — 14 September 2005	40.5	38.7	6.8	0.9	6.9	3.0	1.4
Herald-DigiPoll[3]	9 September — 14 September 2005	44.6	37.4	4.5	1.3	4.6	2.6	2.3
One News/Colmar Brunton Poll[3]	12 September — 14 September 2005	38	44	6	1.9	5	2.5	1.7
Fairfax New Zealand ACNielsen Poll[3]	13 September 2005	37	43	7	1	6	3	1
2005 election result	17 September 2005	41.1	39.1	5.7	1.5	5.3	2.7	2.1	0.6
Poll	Date	Labour	National	NZ First	ACT	Green	United Future	Māori	Destiny

1. ^ The Māori Party and Destiny New Zealand were formed in 2004 and 2003, so did not contest the 2002 election

See also

• New Zealand general election, 2005
• Politics of New Zealand

References

1. ^ ^{a b c d e f g h i j k} "All Past Results". Colmar Brunton. http://www.colmarbrunton.co.nz/index.php?pageLoad=20. Retrieved 13 March 2010. 
2. ^ ^{a b} "Support For NZ Labour Up 2% To 40% - Latest Morgan Poll Shows". Roy Morgan Research. http://www.roymorgan.com/news/polls/2005/3886/. Retrieved 7 November 2011. 
3. ^ ^{a b c d e} "3 News TNS Poll Most Accurate In New Zealand - Morgan Poll Accurately Predicted Small Lead To NZ Labour Party, But Overestimated Minor Parties". Roy Morgan Research. http://www.roymorgan.com/news/polls/2005/3898/. Retrieved 7 November 2011.