Results of the 2011 New Zealand voting system referendum

New Zealand voting method referendum, 2011

2009  ← 26 November 2011 (with election)
Part A Should New Zealand keep the Mixed Member Proportional (MMP) voting system?
	Yes	No
Response	Keep the MMP voting system	Change to another voting system
Votes	1,267,955	926,819
Percentage	57.77%	42.23%
Swinga	3.91	3.91
Part B If New Zealand were to change to another voting system, which voting system would you choose?
	Option 1	Option 2
Response	First Past the Post (FPP)	Preferential Voting (PV)
Votes	704,117	188,164
Percentage	46.66%	12.47%
	Option 3	Option 4
Response	Single Transferable Vote (STV)	Supplementary Member (SM)
Votes	252,503	364,373
Percentage	16.73%	24.14%
^a Swing is from the 1993 referendum result
This box: view talk

The 2011 New Zealand voting system referendum was a referendum held in conjunction with the 26 November 2011 general election^[1][2] to decide whether to retain the existing mixed member proportional (MMP) voting system, or to change to another voting system, in electing members of parliament to the New Zealand House of Representatives.^[3]

The questions asked were:

Part A
Should New Zealand keep the Mixed Member Proportional (MMP) voting system?

• I vote to keep the MMP voting system
• I vote to change to another voting system

Part B
If New Zealand were to change to another voting system, which voting system would you choose?

• I would choose the First Past the Post system (FPP)
• I would choose the Preferential Voting system (PV)
• I would choose the Single Transferable Vote system (STV)
• I would choose the Supplementary Member system (SM)^[4]

Advance votes (votes cast before election day) were progressively released after polling closes at 7:00 pm on 26 November (NZDT; UTC+13). Official results for the referendum were released on 10 December 2011.^[5]

Overview[]

Part A[]

Voting system referendum 2011: Part A^[6]
Should New Zealand keep the Mixed Member Proportional (MMP) voting system?

Response	Votes	%
		valid	total
Y Yes – keep MMP I vote to keep the MMP voting system	1,267,955	57.77	56.17
N No – change system I vote to change to another voting system	926,819	42.23	41.06
Total valid votes	2,194,774	100.00	97.23
Informal votes	62,469	–	2.77
Total votes	2,257,243	–	100.00
Turnout	73.51%
Electorate	3,070,847[7]

Part B[]

Split vote[]

By electorate[]

Part A[]

Part A results by electorate

  Keep

  Change

#	Electorate name	Keep Y (%)	Keep Y (num)	Change N (%)	Change N (num)	Informal (num)	Total votes
01	Auckland Central	65.8%	22,027	34.2%	11,539	595	34,341
02	Bay of Plenty	49.5%	17,431	50.5%	17,812	1,167	36,410
03	Botany	55.4%	15,683	44.6%	12,631	902	29,216
04	Christchurch Central	62.5%	17,106	37.5%	10,278	835	28,219
05	Christchurch East	60.6%	16,972	39.8%	11,210	785	28,967
06	Clutha-Southland	44.6%	13,858	55.4%	17,202	976	32,306
07	Coromandel	50.3%	16,884	49.7%	16,703	1,193	34,780
08	Dunedin North	68.7%	20,274	31.3%	9,232	646	30,152
09	Dunedin South	59.4%	20,510	40.6%	14,019	1,061	35,590
10	East Coast	55.3%	16,122	44.7%	13,047	935	30,104
11	East Coast Bays	51.3%	16,846	48.7%	16,015	811	33,672
12	Epsom	50.1%	18,129	49.9%	18,028	765	36,922
13	Hamilton East	59.4%	19,354	40.6%	13,222	961	33,537
14	Hamilton West	57.8%	18,138	42.2%	13,231	960	32,329
15	Helensville	46.6%	16,376	53.4%	18,780	868	36,024
16	Hunua	46.4%	16,066	53.6%	18,573	997	35,636
17	Hutt South	63.3%	20,544	36.7%	11,921	713	33,178
18	Ilam	54.4%	18,241	45.6%	15,303	830	34,374
19	Invercargill	50.8%	16,145	49.2%	15,629	947	32,721
20	Kaikōura	49.6%	16,583	50.4%	16,834	997	34,414
21	Mana	65.2%	22,159	34.8%	11,815	828	34,802
22	Māngere	76.7%	18,847	23.3%	5,729	964	25,540
23	Manukau East	73.7%	19,374	26.3%	6,908	1,221	27,503
24	Manurewa	70.4%	17,306	29.6%	7,273	1,155	25,734
25	Maungakiekie	63.1%	20,876	36.9%	12,233	925	34,304
26	Mount Albert	67.8%	21,943	32.2%	10,441	877	33,261
27	Mount Roskill	66.6%	21,045	33.4%	10,545	1,112	32,702
28	Napier	51.4%	17,052	48.6%	16,122	1,052	34,226
29	Nelson	58.6%	20,259	41.4%	14,336	952	35,547
30	New Lynn	64.3%	21,189	35.7%	11,756	1,033	33,978
31	New Plymouth	52.8%	17,490	47.2%	15,629	1,051	34,170
32	North Shore	49.4%	17,985	50.6%	18,415	909	37,309
33	Northcote	57.7%	18,718	42.3%	13,728	755	33,201
34	Northland	52.0%	16,696	48.0%	15,411	1,006	33,113
35	Ōhariu	62.0%	23,148	38.0%	14,181	630	37,959
36	Ōtaki	54.6%	20,106	45.4%	16,730	1,106	37,942
37	Pakuranga	51.1%	16,302	48.9%	15,576	944	32,822
38	Palmerston North	61.1%	19,822	38.9%	12,639	824	33,285
39	Papakura	52.6%	16,240	47.4%	14,623	966	31,859
40	Port Hills	62.5%	20,442	37.5%	12,241	780	33,463
41	Rangitata	48.3%		51.7%
42	Rangitīkei	50.7%		49.3%
43	Rimutaka	60.1%		39.9%
44	Rodney	46.4%		53.6%
45	Rongotai	72.9%		27.1%
46	Rotorua	56.6%		43.4%
47	Selwyn	49.4%		50.6%
48	Tāmaki	47.3%		52.7%
49	Taranaki-King Country	46.7%		53.3%
50	Taupō	50.5%		49.5%
51	Tauranga	51.5%		48.5%
52	Te Atatū	62.1%		37.9%
53	Tukituki	49.8%		50.2%
54	Waikato	47.6%		52.4%
55	Waimakariri	51.1%		48.9%
56	Wairarapa	50.5%		49.5%
57	Waitakere	62.8%		37.2%
58	Waitaki	47.6%		52.4%
59	Wellington Central	70.9%		29.1%
60	West Coast-Tasman	53.3%		46.7%
61	Whanganui	54.1%		45.9%
62	Whangarei	52.8%		47.2%
63	Wigram	61.1%		38.9%
64	Hauraki-Waikato	82.1%	14,731	17.9%	3,202	454	18,387
65	Ikaroa-Rawhiti	84.2%	15,347	15.8%	2,883	454	18,684
66	Tāmaki Makaurau	83.0%	15,371	17.0%	3,158	422	18,951
67	Te Tai Hauāuru	82.9%	15,166	17.1%	3,120	410	18,696
68	Te Tai Tokerau	82.8%	16,127	17.2%	3,355	457	19,939
69	Te Tai Tonga	78.9%	13,863	21.1%	3,699	379	17,941
70	Waiariki	85.5%	15,931	14.5%	2,708	416	19,055
	Total	57.7%	1,267,955	42.2%	926,819	62,469	2,257,243

Source: [1]

Part B[]

References[]

External links[]

• electionresults.govt.nz – Referendum results