Opinion polling for the 2015 Canadian federal election

This table provides a list of scientific, nationwide public opinion polls that were conducted from the 2011 Canadian federal election leading up to the 2015 Canadian federal election, which was held on October 19, 2015. For riding-specific polls see 2015 constituency polls.

Campaign period

Graphical summary

Evolution of voting intentions according to polls conducted during campaign period of the 2015 Canadian federal election, graphed from the data in the table below. Trendlines are local regressions, with polls weighted by proximity in time and a logarithmic function of sample size. 95% confidence ribbons represent uncertainty about the trendlines, not the likelihood that actual election results would fall within the intervals.

Polling firm	Last date of polling[1]	Link	CPC	NDP	LPC	BQ	GPC	Margin of error[2]	Sample size[3]	Polling method[4]	Lead
2015 election	October 19, 2015	[1]	31.9	19.7	39.5	4.7	3.4				7.6
Nanos Research	October 18, 2015	[2]	30.5	19.7	39.1	5.5	4.6	±3.5 pp	800	telephone	8.6
Forum Research	October 18, 2015	[3]	30	20	40	6	3	±3 pp	1,373	IVR	10
EKOS	October 18, 2015	[4]	31.9	20.4	35.8	4.9	5.6	±2.1 pp	2,122	IVR/telephone – rolling (1/3)	3.9
EKOS	October 17, 2015	[5]	32.6	21.0	34.3	5.4	5.4	±2.4 pp	1,621	IVR/telephone – rolling (1/2)	1.7
Ipsos Reid	October 17, 2015	[6]	31	22	38	4	4	±2.2 pp	2,503	online/telephone	7
Nanos Research	October 17, 2015	[7]	30.5	22.1	37.3	4.6	4.7	±2.2 pp	2,000	telephone – rolling (2/5)	6.8
EKOS	October 16, 2015	[8]	33.3	21.9	33.7	4.7	4.1	±2.5 pp	1,537	IVR/telephone – rolling (1/2)	0.4
Nanos Research	October 16, 2015	[9]	30.7	22.6	37.0	4.4	4.7	±2.5 pp	1,600	telephone – rolling (1/2)	6.3
Léger Marketing	October 16, 2015	[10]	30	22	38	6	4	±2.1 pp	2,086	online	8
Angus Reid	October 16, 2015	[11]	31	22	35	5	5	±2.2 pp	2,022	online	4
Mainstreet Research	October 15, 2015	[12]	33	21	38	4	5	±1.4 pp	5,546	IVR	5
EKOS	October 15, 2015	[13]	32.8	22.7	34.0	3.4	5.1	±2.3 pp	1,813	IVR/telephone – rolling (1/3)	1.2
Nanos Research	October 15, 2015	[14]	30.6	23.5	36.5	4.3	4.7	±2.8 pp	1,200	telephone – rolling (1/3)	5.9
Forum Research	October 14, 2015	[15]	31	24	37	6	2	±3 pp	1,438	IVR	6
EKOS	October 14, 2015	[16]	32.6	22.9	33.5	3.4	5.6	±2.6 pp	1,438	IVR/telephone – rolling (1/3)	0.9
Nanos Research	October 14, 2015	[17]	29.4	23.7	37.1	5.0	4.3	±2.8 pp	1,200	telephone – rolling (1/3)	7.7
EKOS	October 13, 2015	[18]	29.9	24.1	34.1	3.8	6.4	±2.9 pp	1,179	IVR/telephone – rolling (1/3)	4.2
Nanos Research	October 13, 2015	[19]	29.2	24.5	36.1	5.2	4.3	±2.8 pp	1,200	telephone – rolling (1/3)	6.9
Ipsos Reid	October 13, 2015	[20]	31	24	37	5	2	±3.0 pp	1,349	online	6
EKOS	October 12, 2015	[21]	31.1	20.6	35.6	3.2	7.5	±2.9 pp	1,115	IVR/telephone – rolling (2/3)	4.5
Nanos Research	October 11, 2015	[22]	28.9	24.3	35.7	5.7	4.8	±2.8 pp	1,200	telephone – rolling (1/3)	6.8
Innovative Research	October 11, 2015	[23]	30	22	38	3	6	±3.1 pp	1,143	telephone	8
EKOS	October 10, 2015	[24]	35.5	19.0	33.1	3.3	7.4	±2.6 pp	1,428	IVR/telephone – rolling (2/3)	2.4
Nanos Research	October 10, 2015	[25]	29.0	25.0	35.1	5.2	5.1	±2.8 pp	1,200	telephone – rolling (1/3)	6.1
Forum Research	October 9, 2015	[26]	31	23	37	5	3	±3 pp	1,427	IVR	6
Nanos Research	October 9, 2015	[27]	28.6	24.9	34.8	5.5	5.4	±2.8 pp	1,200	telephone – rolling (1/3)	6.2
Angus Reid	October 9, 2015	[28]	33	25	31	6	3	±3 pp	1,083	online	2
EKOS	October 8, 2015	[29]	33.7	20.4	33.8	3.5	7.2	±2.4 pp	1,618	IVR/telephone – rolling (1/3)	0.1
Nanos Research	October 8, 2015	[30]	31.0	25.0	34.0	5.3	4.2	±2.8 pp	1,200	telephone – rolling (1/3)	3.0
Innovative Research	October 8, 2015	[31]	30	24	35	5	5	n.a	3,417	online	5
Mainstreet Research	October 7, 2015	[32]	36	20	35	4	5	±1.3 pp	5,630	IVR	1
Léger Marketing	October 7, 2015	[33]	30	25	34	6	4	±2.1 pp	2,087	online	4
EKOS	October 7, 2015	[34]	32.5	21.1	34.1	3.6	7.3	±2.3 pp	1,753	IVR/telephone – rolling (1/3)	1.6
Nanos Research	October 7, 2015	[35]	31.6	24.2	33.5	5.6	4.6	±2.8 pp	1,200	telephone – rolling (1/3)	1.9
Forum Research	October 6, 2015	[36]	31	26	35	4	3	±3 pp	1,447	IVR	4
Abacus Data	October 6, 2015	[37]	33	24	32	4	5	±2.2 pp	2,000	online	1
EKOS	October 6, 2015	[38]	34.1	21.4	32.3	4.0	6.9	±2.3 pp	1,788	IVR/telephone – rolling (1/3)	1.8
Nanos Research	October 6, 2015	[39]	32.1	23.0	34.3	5.1	4.6	±2.8 pp	1,200	telephone – rolling (1/3)	2.2
EKOS	October 5, 2015	[40]	35.1	22.2	30.9	4.0	6.6	±2.4 pp	1,658	IVR/telephone – rolling	4.2
Nanos Research	October 5, 2015	[41]	31.5	23.1	35.0	4.9	4.6	±2.8 pp	1,200	telephone – rolling (1/3)	3.5
Ipsos Reid	October 5, 2015	[42]	33	26	32	5	3	±2.9 pp	1,441	online	1
Nanos Research	October 4, 2015	[43]	31.0	22.8	35.6	4.8	4.7	±2.8 pp	1,200	telephone – rolling (1/3)	4.6
Nanos Research	October 3, 2015	[44]	31.0	24.3	35.3	4.3	4.5	±2.8 pp	1,200	telephone – rolling (1/3)	4.3
Nanos Research	October 2, 2015	[45]	30.5	25.1	34.6	4.5	4.8	±2.8 pp	1,200	telephone – rolling (1/3)	4.1
Mainstreet Research	October 1, 2015	[46]	37	24	29	4	7	±1.4 pp	5,197	IVR	8
Innovative Research	October 1, 2015	[47]	29	29	31	5	6	n.a	1,562	online	2
Nanos Research	October 1, 2015	[48]	31.9	25.9	33.5	4.3	3.9	±2.8 pp	1,200	telephone – rolling (1/3)	1.6
Léger Marketing	September 30, 2015	[49]	30	26	32	6	6	±2.1 pp	2,107	online	2
Angus Reid	September 30, 2015	[50]	34	27	27	6	5	±2.5 pp	2,021	online	7
Nanos Research	September 30, 2015	[51]	32.8	26.1	31.7	4.8	4.1	±2.8 pp	1,200	telephone – rolling (1/3)	1.1
Forum Research	September 29, 2015	[52]	34	28	27	5	5	±3 pp	1,499	IVR	6
Nanos Research	September 29, 2015	[53]	32.1	26.3	32.2	4.6	4.4	±2.8 pp	1,200	telephone – rolling (1/3)	0.1
EKOS	September 29, 2015	[54]	33.4	25.6	26.7	5.3	7.8	±1.9 pp	2,609	IVR	6.7
Nanos Research	September 28, 2015	[55]	32.6	27.0	31.4	4.4	4.0	±2.8 pp	1,200	telephone – rolling (1/3)	1.2
Ipsos Reid	September 28, 2015	[56]	32	27	33	4	4	±3.0 pp	1,354	online	1
Nanos Research	September 27, 2015	[57]	33.0	26.9	31.6	4.2	3.6	±2.8 pp	1,200	telephone – rolling (1/3)	1.4
Abacus Data	September 27, 2015	[58]	32	27	29	5	5	±1.6 pp	3,814	online	3
Nanos Research	September 26, 2015	[59]	31.5	27.6	32.5	4.0	3.7	±2.8 pp	1,200	telephone – rolling (1/3)	1.0
Nanos Research	September 25, 2015	[60]	29.6	30.3	31.8	3.1	4.5	±2.8 pp	1,200	telephone – rolling (1/3)	1.5
Nanos Research	September 24, 2015	[61]	28.9	31.1	32.3	2.5	4.2	±2.8 pp	1,200	telephone – rolling (1/3)	1.2
Innovative Research	September 24, 2015	[62]	31	29	28	3	8	n.a.	2,805	online	2
Forum Research	September 23, 2015	[63]	31	28	31	4	4	±3 pp	1,557	IVR	Tie
Nanos Research	September 23, 2015	[64]	30.5	30.8	31.5	2.3	3.7	±2.8 pp	1,200	telephone – rolling (1/3)	0.7
Léger Marketing	September 23, 2015	[65]	31	29	31	5	5	±2.1 pp	2,115	online	Tie
Innovative Research	September 23, 2015	[66]	32	27	30	3	7	±2.5 pp	1,784	telephone	2
Nanos Research	September 22, 2015	[67]	31.5	29.1	31.6	2.6	4.2	±2.8 pp	1,200	telephone – rolling (1/3)	0.1
EKOS	September 22, 2015	[68]	35.4	24.5	26.3	4.2	7.7	±2.0 pp	2,343	IVR	9.1
Nanos Research	September 21, 2015	[69]	31.3	29.4	30.3	3.4	4.6	±2.8 pp	1,200	telephone – rolling (1/3)	1.0
Ipsos Reid	September 21, 2015	[70]	27	30	33	5	4	±3.4 pp	1,103	online	3
Nanos Research	September 20, 2015	[71]	31.0	29.1	29.4	3.8	5.5	±2.8 pp	1,200	telephone – rolling (1/3)	1.6
Nanos Research	September 19, 2015	[72]	30.8	29.1	30.3	3.7	5.1	±2.8 pp	1,200	telephone – rolling (1/3)	0.5
Forum Research	September 18, 2015	[73]	33	29	29	4	4	±3 pp	922	IVR	4
Nanos Research	September 18, 2015	[74]	30.4	28.9	30.8	3.0	6.0	±2.8 pp	1,200	telephone – rolling (1/3)	0.4
Nanos Research	September 17, 2015	[75]	29.1	31.3	31.0	2.3	5.8	±2.8 pp	1,200	telephone – rolling (1/3)	0.3
Nanos Research	September 16, 2015	[76]	30.1	30.4	30.9	2.5	5.8	±2.8 pp	1,200	telephone – rolling (1/3)	0.5
Forum Research	September 15, 2015	[77]	32	30	28	4	6	±3 pp	1,402	IVR	2
Nanos Research	September 15, 2015	[78]	29.0	31.6	30.1	2.8	5.3	±2.8 pp	1,200	telephone – rolling (1/3)	1.5
Environics	September 15, 2015	[79]	26	34	29	4	8	±3.6 pp	1,001	telephone	5
EKOS	September 15, 2015	[80]	29.6	29.9	27.4	3.7	7.6	±1.9 pp	2,704	IVR	0.3
Nanos Research	September 14, 2015	[81]	31.0	30.4	29.6	2.9	4.8	±2.8 pp	1,200	telephone – rolling (1/3)	0.6
Ipsos Reid	September 13, 2015	[82]	29	32	31	4	4	±3.6 pp	980	online	1
Nanos Research	September 13, 2015	[83]	30.2	31.3	30.3	2.6	4.3	±2.8 pp	1,200	telephone – rolling (1/3)	1.0
Nanos Research	September 12, 2015	[84]	31.7	30.8	30.5	2.5	4.1	±2.8 pp	1,200	telephone – rolling (1/3)	0.9
Abacus Data	September 11, 2015	[85]	29	31	29	4	6	±2.6 pp	1,500	online	2
Nanos Research	September 11, 2015	[86]	30.9	30.1	31.7	2.8	4.0	±2.8 pp	1,200	telephone – rolling (1/3)	0.8
Forum Research	September 10, 2015	[87]	28	36	29	3	3	±3 pp	1,308	IVR	7
Nanos Research	September 10, 2015	[88]	30.8	29.9	30.9	3.2	4.6	±2.8 pp	1,200	telephone – rolling (1/3)	0.1
Innovative Research	September 10, 2015	[89]	28	31	30	4	6	±2.2 pp	2,121	online	1
Nanos Research	September 9, 2015	[90]	28.6	30.6	32.1	3.6	4.8	±2.8 pp	1,200	telephone – rolling (1/3)	1.5
Nanos Research	September 8, 2015	[91]	25.9	31.2	32.5	3.7	6.1	±2.8 pp	1,200	telephone – rolling (1/3)	1.3
Ipsos Reid	September 8, 2015	[92]	29	34	30	3	3	±3.6 pp	949	online	4
EKOS	September 8, 2015	[93]	31.8	29.6	26.9	4.6	5.9	±1.9 pp	2,677	IVR	2.2
Nanos Research	September 6, 2015	[94]	26.2	32.7	30.8	3.7	6.0	±2.8 pp	1,200	telephone – rolling	1.9
Léger Marketing	September 2, 2015	[95]	28	31	30	4	5	±2.1 pp	2,119	online	1
Forum Research	September 1, 2015	[96]	24	36	32	4	4	±3 pp	1,384	IVR	4
EKOS	September 1, 2015	[97]	29.5	30.2	27.7	4.2	6.4	±1.7 pp	3,243	IVR	0.7
Abacus Data	August 28, 2015	[98]	30	31	28	3	7	±2.6 pp	1,500	online	1
Nanos Research	August 28, 2015	[99]	28.8	30.8	29.7	4.2	5.4	±3.1 pp	1,000	telephone – rolling (1/4)	1.1
Innovative Research	August 26, 2015	[100]	30	32	27	4	6	±1.7 pp	3,274	online	2
Ipsos Reid	August 26, 2015	[101]	29	33	30	4	4	±3.5 pp	1,000	online	3
EKOS	August 25, 2015	[102]	28.1	33.6	26.7	4.1	5.8	±1.7 pp	3,524	IVR	5.5
Forum Research	August 24, 2015	[103]	23	40	30	3	3	±3 pp	1,440	IVR	10
Angus Reid[LV]	August 24, 2015	[104]	32	36	23	4	4	±1.2 pp	6,226	online	4
Nanos Research	August 21, 2015	[105]	30.1	29.1	29.9	4.7	5.2	±3.1 pp	1,000	telephone – rolling (1/4)	0.2
Forum Research	August 19, 2015	[106]	29	34	28	4	4	±3 pp	1,473	IVR	5
Abacus Data	August 17, 2015	[107]	29	35	26	3	6	±2.6 pp	1,439	online	6
Nanos Research	August 14, 2015	[108]	31.8	29.0	28.7	4.5	5.3	±3.1 pp	1,000	telephone – rolling (1/4)	2.8
Léger Marketing	August 12, 2015	[109]	27	33	28	5	6	±2.1 pp	2,095	online	5
Mainstreet Research	August 11, 2015	[110]	31	30	29	4	6	±1.35 pp	5,401	IVR	1
Forum Research	August 11, 2015	[111]	28	34	27	6	4	±3 pp	1,392	IVR	6
EKOS	August 11, 2015	[112]	30.4	31.8	24.2	4.2	7.3	±1.8 pp	3,055	IVR	1.4
Ipsos Reid	August 10, 2015	[113]	30.8	33.0	27.8	3.9	4.0	±2.38 pp	2,022	telephone/online	2.2
Nanos Research	August 7, 2015	[114]	31.2	30.4	28.6	4.2	5.0	±3.1 pp	1,000	telephone – rolling (1/4)	0.8
Forum Research	August 2, 2015	[115]	28	39	25	5	3	±3 pp	1,399	IVR	11

Notes

¹ In cases when linked poll details distinguish between the margin of error associated with the total sample of respondents (including undecided and non-voters) and that of the subsample of decided/leaning voters, the latter is included in the table. Also not included is the margin of error created by rounding to the nearest whole number or any margin of error from methodological sources. Most online polls—because of their opt-in method of recruiting panellists which results in a non-random sample—cannot have a margin of error. In such cases, shown is what the margin of error would be for a survey using a random probability-based sample of equivalent size.

² Refers to the total sample size, including undecided and non-voters.

³ "Telephone" refers to traditional telephone polls conducted by live interviewers; "IVR" refers to automated Interactive Voice Response polls conducted by telephone; "online" refers to polls conducted exclusively over the internet; "telephone/online" refers to polls which combine results from both telephone and online surveys, or for which respondents are initially recruited by telephone and then asked to complete an online survey. "Rolling" polls contain overlapping data from one poll to the next, with the fraction in parentheses indicating the proportion of independent data compared to the previous published poll in the series.

^LV Identifies polling firms that explicitly apply a "likely voter" turnout adjustment to their top-line results.

Pre-campaign period

Graphical summary

Evolution of voting intentions according to polls conducted during the pre-campaign period of the 2015 Canadian federal election, graphed from the data in the table below. Trendlines are local regressions, with polls weighted by proximity in time and a logarithmic function of sample size. 95% confidence ribbons represent uncertainty about the trendlines, not the likelihood that actual election results would fall within the intervals.

Polling firm	Last date of polling[1]	Link	CPC	NDP	LPC	BQ	GPC	Margin of error[2]	Sample size[3]	Polling method[4]	Lead
Nanos Research	July 31, 2015	[116]	31.5	30.1	29.3	3.3	5.4	±3.1 pp	1,000	telephone – rolling (1/2)	1.4
Innovative Research	July 30, 2015	[117]	29.3	33.7	25.8	4.6	5.6	±1.9 pp	2,833	online	4.4
Forum Research	July 28, 2015	[118]	33	33	25	4	4	±3.0 pp	1,397	IVR	Tie
EKOS	July 28, 2015	[119]	30.1	33.8	23.4	4.7	6.1	±2.1 pp	2,247	IVR	3.7
Ipsos Reid	July 27, 2015	[120]	33	34	25	5	3	±2.5 pp	1,571	online	1
Mainstreet Research	July 21, 2015	[121]	38	27	25	4	6	±1.37 pp	5,147	IVR	11
Forum Research	July 20, 2015	[122]	28	34	29	5	4	±3.0 pp	1,208	IVR	6
Nanos Research	July 17, 2015	[123]	31	31	27	5	6	±3.1 pp	1,000	telephone – rolling	Tie
Leger Marketing	July 16, 2015	[124]	32	32	25	5	6	±2.5 pp	1,545	online	Tie
EKOS	July 14, 2015	[125]	29.4	32.6	24.0	5.3	6.6	±2.0 pp	2,538	IVR	3.2
Forum Research	July 13, 2015	[126]	27	34	27	7	5	±3.0 pp	1,251	IVR	7
Forum Research	July 7, 2015	[127]	32	32	26	5	3	±3.0 pp	1,200	IVR	Tie
Abacus Data	July 6, 2015	[128]	29	32	27	6	6	±2.2 pp	2,000	online	3
Forum Research	June 29, 2015	[129]	27	32	29	6	4	±3.0 pp	1,221	IVR	3
EKOS	June 28, 2015	[130]	27.3	30.9	25.6	6.3	6.6	±2.3 pp	1,752	IVR	3.6
Forum Research	June 23, 2015	[131]	28	36	28	5	2	±3.0 pp	1,268	IVR	8
Ipsos Reid	June 23, 2015	[132]	28	35	29	6	2	±2.5 pp	2,003	online	6
Environics	June 18, 2015	[133]	28	30	28	6	7	±2.4 pp	2,003	telephone	2
Forum Research	June 16, 2015	[134]	26	34	28	7	5	±3.0 pp	1,281	IVR	6
EKOS	June 16, 2015	[135]	29.4	30.2	25.0	5.9	7.1	±1.6 pp	3,834	IVR	0.8
EKOS	June 9, 2015	[136]	26.9	33.6	23.3	5.1	7.3	±2.0 pp	2,491	IVR	6.7
Angus Reid	June 7, 2015	[137]	31	36	23	5	5	±1.2 pp	6,005	online	5
Forum Research	June 5, 2015	[138]	31	28	32	3	5	±3.0 pp	1,156	IVR	1
EKOS	June 2, 2015	[139]	29.2	31.3	23.9	4.8	7.4	±2.1 pp	2,204	IVR	2.1
Abacus Data	May 31, 2015	[140]	31	28	28	4	7	±2.6 pp	1,500	online	3
Ipsos Reid	May 29, 2015	[141]	31	30	31	4	4	±3.5 pp	1,003	online	Tie
Nanos Research	May 29, 2015	[142]	32	30	29	4	5	±3.1 pp	1,000	telephone – rolling (1/2)	2
EKOS	May 26, 2015	[143]	29.5	28.9	26.8	4.1	7.8	±1.8 pp	2,934	IVR	0.6
EKOS	May 19, 2015	[144]	28.1	29.6	26.1	5.4	7.6	±1.9 pp	2,675	IVR	1.5
Nanos Research	May 14, 2015	[145]	32.9	25.2	31.3	3.6	5.3	±3.1 pp	1,000	telephone – rolling	1.6
Forum Research	May 13, 2015	[146]	31	30	31	3	4	±3.0 pp	1,286	IVR	Tie
EKOS	May 12, 2015	[147]	30.0	29.1	27.0	4.1	8.0	±2.1 pp	2,177	IVR	0.9
EKOS	May 5, 2015	[148]	30.3	24.2	29.6	4.2	7.3	±1.8 pp	3,017	IVR	0.7
Leger Marketing	April 30, 2015	[149]	33	21	34	4	7	±2.5 pp	1,488	online	1
EKOS	April 28, 2015	[150]	32.4	21.9	28.7	4.1	9.9	±1.6 pp	3,757	IVR	3.7
Abacus Data	April 24, 2015	[151]	36	24	28	5	6	±2.6 pp	1,500	online	8
Forum Research	April 22, 2015	[152]	35	23	31	5	6	±3.0 pp	977	IVR	4
EKOS	April 21, 2015	[153]	31.8	23.5	27.6	4.9	7.5	±1.6 pp	3,850	IVR	4.0
Nanos Research	April 17, 2015	[154]	29	25	34	4	8	±3.1 pp	1,000	telephone – rolling	5
Forum Research	April 16, 2015	[155]	33	22	35	3	6	±3.0 pp	1,365	IVR	2
EKOS	April 14, 2015	[156]	32.2	22.7	28.5	4.9	8.0	±1.7 pp	3,399	IVR	3.7
Ipsos Reid	April 7, 2015	[157]	35	25	33	4	3	±3.5 pp	1,001	online	2
EKOS	April 7, 2015	[158]	28.7	22.9	30.1	4.2	9.2	±1.7 pp	3,306	IVR	1.4
Forum Research	March 31, 2015	[159]	31	23	34	5	5	±3.0 pp	1,239	IVR	3
EKOS	March 31, 2015	[160]	31.9	22.6	27.6	5.2	9.6	±1.6 pp	3,901	IVR	4.3
Oraclepoll Research	March 30, 2015	[161]	35.3	18.7	31.4	5.9	8.7	±1.8 pp	3,040	telephone	3.9
EKOS	March 24, 2015	[162]	31.8	23.2	28.5	4.7	8.7	±1.5 pp	4,311	IVR	3.3
Abacus Data	March 22, 2015	[163]	32	23	33	4	6	±3.1 pp	1,000	online	1
Leger Marketing	March 18, 2015	[164]	34	20	35	4	6	±2.5 pp	1,511	online	1
EKOS	March 17, 2015	[165]	30.2	21.2	32.1	4.8	7.9	±1.6 pp	3,832	IVR	1.9
Forum Research	March 14, 2015	[166]	32	21	36	4	6	±3.0 pp	1,370	IVR	4
EKOS	March 10, 2015	[167]	32.9	19.7	30.5	4.8	8.8	±1.8 pp	2,950	IVR	2.4
EKOS	March 3, 2015	[168]	32.2	19.9	31.3	4.6	9.0	±1.7 pp	3,241	IVR	0.9
Nanos Research	February 27, 2015	[169]	33	23	34	5	5	±3.1 pp	1,000	telephone – rolling	1
EKOS	February 24, 2015	[170]	31.1	22.1	31.9	4.5	7.5	±1.6 pp	3,607	IVR	0.8
Ipsos Reid	February 23, 2015	[171]	33	23	34	6	3	±2.2 pp	2,650	online	1
EKOS	February 17, 2015	[172]	32.3	19.1	31.6	5.4	8.0	±1.7 pp	3,386	IVR	0.7
Abacus Data	February 16, 2015	[173]	35	21	34	4	4	±2.6 pp	1,460	online	1
Forum Research	February 10, 2015	[174]	32	17	39	4	5	±3.0 pp	1,018	IVR	7
EKOS	February 10, 2015	[175]	32.0	18.9	33.8	4.2	8.5	±1.8 pp	3,005	IVR	1.8
EKOS	February 3, 2015	[176]	35.0	17.9	32.2	3.8	8.0	±1.8 pp	2,974	IVR	2.8
Leger Marketing	February 2, 2015	[177]	32	20	35	5	6	±2.5 pp	1,507	online	3
Forum Research	January 28, 2015	[178]	35	20	34	5	6	±3.0 pp	1,382	IVR	1
Abacus Data	January 28, 2015	[179]	33	24	32	4	5	±3.1 pp	1,005	online	1
EKOS	January 13, 2015	[180]	31.0	19.1	33.1	4.4	8.9	±1.5 pp	4,412	IVR	2.1
Ipsos Reid	January 11, 2015	[181]	35	24	31	6	4	±2.6 pp	1,915	online	4
Forum Research	January 6, 2015	[182]	33	20	37	4	5	±2.0 pp	1,741	IVR	4
Abacus Data	December 20, 2014	[183]	34	22	33	4	6	±2.6 pp	1,438	online	1
EKOS	December 18, 2014	[184]	29.8	20.2	33.8	5.3	7.7	±1.7 pp	2,183	IVR	3.0
Angus Reid	December 13, 2014	[185]	34	22	34	4	5	±1.2 pp	6,325	online	Tie
EKOS	December 12, 2014	[186]	30.8	20.0	31.8	5.0	7.8	±1.7 pp	3,276	IVR	1
Forum Research	December 11, 2014	[187]	33	17	41	3	5	±2.0 pp	1,658	IVR	8
Leger Marketing	December 11, 2014	[188]	32	19	38	4	6	±2.5 pp	1,521	online	6
Ipsos Reid	December 1, 2014	[189]	33	24	34	5	4	±1.2 pp	8,268	online	1
Forum Research	November 20, 2014	[190]	33	18	36	4	8	±3.0 pp	1,500	IVR	3
EKOS	November 6, 2014	[191]	30.2	20.5	33.5	3.5	9.7	±2.5 pp	1,561	IVR	3.3
Leger Marketing	November 6, 2014	[192]	33	19	36	3	7	±2.5 pp	1,493	online	3
Abacus Data	November 4, 2014	[193]	30	24	35	4	6	±2.3 pp	1,850	online	5
EKOS	October 29, 2014	[194]	27.8	21.4	33.4	5.5	8.2	±2.4 pp	1,628	IVR	5.6
Abacus Data	October 17, 2014	[195]	30	25	32	4	8	±2.8 pp	1,248	online	2
Leger Marketing	October 16, 2014	[196]	32	21	37	4	5	±2.5 pp	1,524	online	5
EKOS	October 15, 2014	[197]	26.4	25.0	38.5	3.1	5.7	±2.4 pp	1,671	telephone/online	12.1
Forum Research	October 5, 2014	[198]	34	19	38	4	4	±2.5 pp	1,504	IVR	4
EKOS	September 25, 2014	[199]	24.9	24.4	38.3	4.0	7.7	±2.5 pp	1,549	telephone/online	13.4
Angus Reid	September 19, 2014	[200]	30	22	36	4	6	±2.5 pp	1,502	online	6
Abacus Data	September 14, 2014	[201]	30	23	38	3	5	±3.1 pp	1,075	online	8
Ipsos Reid	September 12, 2014	[202]	31	23	38	5	3	±2.8 pp	1,605	online	7
Forum Research	September 5, 2014	[203]	34	18	40	4	3	±3.0 pp	1,267	IVR	6
Forum Research	August 19, 2014	[204]	32	17	41	5	5	±2.0 pp	1,798	IVR	9
Abacus Data	August 18, 2014	[205]	29	22	35	5	7	±2.5 pp	1,614	online	6
Ipsos Reid	August 17, 2014	[206]	31	24	38	3	3	±3.5 pp	1,012	online	7
EKOS	July 23, 2014	[207]	25.6	23.4	38.7	3.7	7.1	±1.9 pp	2,620	telephone/online	12.1
Forum Research	July 18, 2014	[208]	28	18	44	5	3	±2.0 pp	1,624	IVR	16
Abacus Data	July 3, 2014	[209]	31	23	34	5	6	±2.2 pp	2,000	online	3
Forum Research	June 17, 2014	[210]	31	19	39	4	5	±2.0 pp	1,683	IVR	8
Angus Reid	June 12, 2014	[211]	31	27	30	5	6	±1.2 pp	6,264	online	1
Angus Reid	May 23, 2014	[212]	31	25	30	5	7	±3.4 pp	1,503	online	1
Forum Research	May 23, 2014	[213]	30	23	36	6	5	±2.0 pp	1,694	IVR	6
EKOS	May 1, 2014	[214]	27.6	21.4	34.9	5.3	8.2	±1.6 pp	3,677	IVR	7.3
Forum Research	April 29, 2014	[215]	30	20	39	6	4	±2.0 pp	1,572	IVR	9
Ipsos Reid	April 22, 2014	[216]	33	24	33	6	4	±3.5 pp	1,014	online	Tie
Angus Reid	April 15, 2014	[217]	32	26	30	5	6	±3.4 pp	1,505	online	2
EKOS	April 3, 2014	[218]	26.7	21.8	35.8	4.8	8.1	±1.5 pp	4,134	IVR	9.1
Forum Research	March 28, 2014	[219]	29	22	39	5	3	±2.0 pp	1,764	IVR	10
Angus Reid	March 9, 2014	[220]	28	27	33	5	6	±1.2 pp	6,445	online	5
Abacus Data	March 5, 2014	[221]	28	23	34	8	6	±2.8 pp	1,249	online	6
Forum Research	February 19, 2014	[222]	29	21	39	6	4	±2.0 pp	1,824	IVR	10
Ipsos Reid	February 18, 2014	[223]	29	24	37	5	5	±3.5 pp	1,034	online	8
Angus Reid	February 16, 2014	[224]	28	26	33	5	6	±2.5 pp	1,514	online	5
Nanos Research	February 15, 2014	[225]	28.7	23.2	34.0	6.4	5.3	±3.4 pp	1,000	telephone	5.3
Ipsos Reid	February 4, 2014	[226]	29	27	33	7	4	±3.5 pp	1,001	online	4
EKOS	January 27, 2014	[227]	29.7	24.3	33.2	4.5	6.2	±2.5 pp	1,501	telephone/online	3.5
Forum Research	January 25, 2014	[228]	28	24	38	5	4	±3.0 pp	1,228	IVR	10
Abacus Data	January 18, 2014	[229]	28	24	34	5	7	±2.2 pp	1,996	online	6
Forum Research	January 17, 2014	[230]	28	25	37	5	4	±2.0 pp	1,779	IVR	9
EKOS	December 15, 2013	[231]	26.2	22.9	32.1	6.3	9.3	±1.7 pp	3,468	IVR	5.9
Forum Research	December 13, 2013	[232]	32	21	38	5	3	±2.0 pp	1,634	IVR	6
Ipsos Reid	November 27, 2013	[233]	29	26	35	6	3	±3.5 pp	1,014	online	6
Harris-Decima	November 25, 2013	[234]	26	23	36	7	7	±2.2 pp	2,034	telephone	10
Forum Research	November 13, 2013	[235]	29	22	38	6	4	±2.0 pp	1,834	IVR	9
EKOS	October 29, 2013	[236]	26.4	24.9	37.4	5.2	5.2	±2.6 pp	1,377	telephone/online	11.0
Ipsos Reid	October 28, 2013	[237]	30	31	31	6	2	±3.4 pp	1,102	online	Tie
Forum Research	October 23, 2013	[238]	28	20	40	6	5	±3.0 pp	1,007	IVR	12
Forum Research	October 22, 2013	[239]	30	19	39	7	5	±2.0 pp	1,859	IVR	9
Abacus Data	October 22, 2013	[240]	32	23	32	5	7	±2.6 pp	1,459	online	Tie
Ipsos Reid	October 20, 2013	[241]	31	27	33	6	2	±3.4 pp	1,042	online	2
Nanos Research	October 18, 2013	[242]	29	23	37	5	5	±3.5 pp	1,000	telephone	8
EKOS	October 14, 2013	[243]	26.1	24.9	36.3	5.0	6.5	±2.5 pp	1,554	telephone/online	10.2
Ipsos Reid	September 20, 2013	[244]	32	26	31	7	3	±3.5 pp	1,035	online	1
Forum Research	September 17, 2013	[245]	31	21	36	7	4	±3.0 pp	1,527	IVR	5
Harris-Decima	September 9, 2013	[246]	29	24	33	6	6	±2.2 pp	2,020	telephone	4
Abacus Data	September 4, 2013	[247]	30	27	29	8	4	±2.5 pp	1,600	online	1
Nanos Research	August 31, 2013	[248]	30	25	33	5	5	±3.5 pp	1,000	telephone	3
Forum Research	August 23, 2013	[249]	29	22	38	6	4	±3.0 pp	1,189	IVR	9
Nanos Research	August 22, 2013	[250]	29.7	24.8	35.7	3.9	5.5	±3.3 pp	1,000	telephone/online	6.0
Nanos Research	August 19, 2013	[251]	31.9	22.8	35.3	2.5	5.9	±2.2 pp	2,000	telephone	3.4
Forum Research	July 23, 2013	[252]	31	22	35	7	4	±2.0 pp	1,782	IVR	4
EKOS	July 9, 2013	[253]	28.4	23.4	30.4	6.3	8.5	±1.8 pp	2,900	IVR	2.0
Environics	June 30, 2013	[254]	28	24	34	6	6	±2.4 pp	2,149	telephone	6
Ipsos Reid	June 25, 2013	[255]	30	28	33	6	4	±3.3 pp	1,177	online	3
Abacus Data	June 23, 2013	[256]	27	26	29	6	10	±3.1 pp	999	online	2
Leger Marketing	June 19, 2013	[257]	29	21	37	4	8	±2.5 pp	1,503	online	8
Nanos Research	June 19, 2013	[258]	29.4	25.3	34.2	3.7	6.4	±3.5 pp	1,000	telephone/online	4.8
Forum Research	June 18, 2013	[259]	30	20	38	6	4	±2.0 pp	1,525	IVR	8
Ipsos Reid	May 28, 2013	[260]	30	27	36	4	4	±3.5 pp	1,009	online	6
EKOS	May 26, 2013	[261]	26.3	20.9	34.7	5.4	9.2	±1.7 pp	3,318	IVR	8.4
Forum Research	May 22, 2013	[262]	27	20	44	4	3	±2.0 pp	1,779	IVR	17
EKOS	May 2, 2013	[263]	26.2	23.9	38.6	4.2	6.3	±2.7 pp	1,309	telephone/online	12.4
Ipsos Reid	April 30, 2013	[264]	32	25	35	5	3	±3.4 pp	1,059	online	3
Harris-Decima	April 28, 2013	[265]	28	22	35	6	7	±2.2 pp	2,008	telephone	7
Forum Research	April 15, 2013	[266]	30	19	43	5	2	±2.0 pp	1,764	IVR	13
EKOS	April 10, 2013	[267]	28.8	23.3	29.1	6.4	9.0	±1.5 pp	4,568	IVR	0.3
Nanos Research	April 8, 2013	[268]	31.3	23.6	35.4	4.8	4.2	±3.3 pp	1,002	telephone/online	4.1
Abacus Data	April 6, 2013	[269]	33	27	27	5	7	±2.6 pp	1,511	online	6
Ipsos Reid	April 3, 2013	[270]	31	27	32	6	4	±3.4 pp	1,053		1
Forum Research	April 2, 2013	[271]	29	25	33	5	6	±3.0 pp	1,310	IVR	4
Leger Marketing	March 28, 2013	[272]	31	24	30	7	7	±2.5 pp	1,511	online	1
Abacus Data	March 21, 2013	[273]	32	31	24	5	8	±3.1 pp	1,014	online	1
Forum Research	March 7, 2013	[274]	31	27	30	6	5	±2.0 pp	1,755	IVR	1
Nanos Research	February 24, 2013	[275]	31.5	27.2	29.1	5.2	5.9	±3.7 pp	1,000	telephone	2.4
EKOS	February 10, 2013	[276]	29.3	26.3	24.6	7.2	9.5	±1.3 pp	5,947	IVR	3.0
Forum Research	February 6, 2013	[277]	32	26	30	6	4	±3.0 pp	1,091	IVR	2
Abacus Data	February 6, 2013	[278]	35	31	21	6	6	±2.3 pp	1,832	online	4
Nanos Research	January 31, 2013	[279]	34.3	27.1	27.6	4.6	4.7	±3.5 pp	1,000	telephone	6.7
Forum Research	January 17, 2013	[280]	36	28	25	7	4	±2.0 pp	1,626	IVR	8
Angus Reid	January 17, 2013	[281]	35	29	22	6	6	±2.2 pp	2,028	online	6
Angus Reid	January 3, 2013	[282]	35	33	19	6	6	±3.1 pp	1,012	online	2
Forum Research	December 18, 2012	[283]	31	28	27	6	6	±2.0 pp	1,355	IVR	3
Abacus Data	December 8, 2012	[284]	34	32	22	6	6	±2.6 pp	1,505	online	2
Leger Marketing	December 6, 2012	[285]	35	30	18	7	9	±2.5 pp	1,500	online	5
EKOS	December 3, 2012	[286]	31.9	25.8	24.4	6.7	8.4	±1.3 pp	5,433	IVR	6.1
Forum Research	November 19, 2012	[287]	33	28	28	6	4	±2.0 pp	1,849	IVR	5
Nanos Research	November 15, 2012	[288]	33.8	27.2	29.0	4.9	3.7	±3.5 pp	1,004	telephone	4.8
Abacus Data	November 11, 2012	[289]	36	29	22	7	6	±3.0 pp	1,068	online	7
Ipsos Reid	November 8, 2012	[290]	34	30	26	7	2	±2.5 pp	2,009	telephone/online	4
Forum Research	October 27, 2012	[291]	31	32	27	6	4	±2.0 pp	1,735	IVR	1
Nanos Research	October 11, 2012	[292]	33.3	27.9	30.1	4.7	2.9	±3.4 pp	1,000	telephone	3.2
Forum Research	September 26, 2012	[293]	35	30	25	6	3	±2.0 pp	1,707	IVR	5
Environics	September 23, 2012	[294]	31	35	20	9	5	±2.4 pp	2,000	telephone	4
Abacus Data	September 18, 2012	[295]	35	35	17	7	6	±2.9 pp	1,208	online	Tie
Harris-Decima	September 10, 2012	[296]	34	27	24	6	7	±2.2 pp	2,007	telephone	7
Nanos Research	September 9, 2012	[297]	32.4	30.4	24.6	5.8	5.0	±3.4 pp	1,000	telephone	2.0
Forum Research	August 22, 2012	[298]	34	34	22	6	4	±2.4 pp	1,720	IVR	Tie
Abacus Data	August 12, 2012	[299]	37	32	20	6	6	±2.2 pp	2,099	online	5
Forum Research	July 26, 2012	[300]	31	35	22	6	5	±2.4 pp	1,639	IVR	4
Nanos Research	July 12, 2012	[301]	33.6	30.3	26.5	4.4	4.2	±3.2 pp	1,200	telephone	3.3
EKOS	July 5, 2012	[302]	30.2	32.3	19.5	4.9	10.0	±2.1 pp	2,098	IVR	2.1
Forum Research	June 27, 2012	[303]	35	35	19	6	3	±2.9 pp	1,165	IVR	Tie
EKOS	June 26, 2012	[304]	29.3	32.4	19.2	6.5	9.5	±2.2 pp	2,049	IVR	3.1
Abacus Data	June 23, 2012	[305]	35	35	20	5	6	±3.1 pp	1,008	online	Tie
Environics	June 23, 2012	[306]	33	35	19	7	5	±2.4 pp	2,093	telephone	2
Ipsos Reid	June 21, 2012	[307]	35	38	18	6	4	±3.1 pp	1,099	online	3
Harris-Decima	June 18, 2012	[308]	31	32	23	5	7	±2.2 pp	2,000	telephone	1
Angus Reid	June 16, 2012	[309]	34	35	19	6	5	±2.5 pp	1,500	online	1
Forum Research	June 14, 2012	[310]	30	37	22	6	5	±2.5 pp	1,529	IVR	7
Nanos Research	May 31, 2012	[311]	33.5	33.6	24.9	3.4	2.4	±3.1 pp	1,201	telephone	0.1
Forum Research	May 23, 2012	[312]	32	36	20	5	6	±2.3 pp	1,836	IVR	4
Angus Reid	May 23, 2012	[313]	37	33	18	7	4	±3.1 pp	1,014	online	4
Abacus Data	May 16, 2012	[314]	37	35	17	6	5	±3.1 pp	1,008	online	2
Ipsos Reid	May 10, 2012	[315]	37	35	19	5	3	±2.0 pp	2,061	telephone/online	2
Environics	May 9, 2012	[316]	32	36	19	6	7	±3.5 pp	1,000	telephone	4
Harris-Decima	May 6, 2012	[317]	30	34	20	7	8	±2.2 pp	2,018	telephone	4
Harris-Decima	April 30, 2012	[318]	30	33	20	7	8	±3.1 pp	1,006	telephone	3
Forum Research	April 25, 2012	[319]	33	36	22	6	2	±2.4 pp	1,744	IVR	3
Nanos Research	April 18, 2012	[320]	34.7	32.4	23.3	3.9	4.2	±3.2 pp	1,200	telephone	2.3
Ipsos Reid	April 5, 2012	[321]	34	33	21	7	4	±2.0 pp	1,008	telephone	1
Leger Marketing	April 4, 2012	[322]	32	33	19	7	8	±2.5 pp	1,506	online	1
Harris-Decima	April 2, 2012	[323]	34	32	19	6	8	±2.2 pp	2,003	telephone	2
Forum Research	March 30, 2012	[324]	36	34	19	5	5	±2.4 pp	1,675	IVR	2
Forum Research	March 27, 2012	[325]	35	35	19	7	3	±2.4 pp	1,638	IVR	Tie
Angus Reid	March 21, 2012	[326]	37	29	21	8	4	±3.1 pp	1,004	online	8
Innovative Research	March 21, 2012	[327]	37	25	24	6	7	±2.8 pp	1,193	online	12
Harris-Decima	March 19, 2012	[328]	31	28	24	8	7	±2.2 pp	2,005	telephone	3
Environics	March 18, 2012	[329]	30	30	20	8	7	±2.4 pp	2,000	telephone	Tie
Abacus Data	March 13, 2012	[330]	37	28	20	8	7	±3.1 pp	1,003	online	9
EKOS	March 11, 2012	[331]	35.4	29.7	19.6	5.8	8.1	±2.2 pp	2,011	telephone/online	5.7
Ipsos Reid	March 8, 2012	[332]	37	29	23	7	4	±2.0 pp	3,154	telephone/online	8
Leger Marketing	March 5, 2012	[333]	34	26	24	8	7	±2.0 pp	2,509	online	8
Forum Research	March 3, 2012	[334]	37	28	25	5	4	±2.4 pp	1,675	IVR	9
Nanos Research	February 29, 2012	[335]	35.7	25.0	29.5	4.9	3.4	±3.1 pp	1,203	telephone	6.2
EKOS	February 28, 2012	[336]	31.5	29.2	21.7	6.0	8.3	±1.6 pp	3,699	IVR	2.3
Forum Research	February 6, 2012	[337]	36	28	26	6	3	±2.8 pp	1,210	IVR	8
Nanos Research	January 23, 2012	[338]	35.7	25.2	27.6	5.6	4.5	±3.2 pp	1,201	telephone	8.1
Harris-Decima	January 22, 2012	[339]	32	29	25	5	7	±2.2 pp	2,000	telephone	3
Angus Reid	January 21, 2012	[340]	39	28	22	6	5	±3.1 pp	1,000	online	11
Abacus Data	January 19, 2012	[341]	37	28	21	6	7	±3.1 pp	1,000	online	9
Forum Research	January 13, 2012	[342]	35	28	25	6	4	±2.8 pp	1,211	IVR	7
EKOS	December 21, 2011	[343]	31.4	29.5	24.8	6.7	6.1	±2.2 pp	2,005	telephone/online	1.9
Nanos Research	December 18, 2011	[344]	36.5	28.7	25.6	4.4	3.8	±3.3 pp	1,201	telephone	7.8
Forum Research	December 13, 2011	[345]	33	27	21	6	8	±2.9 pp	1,160	IVR	6
Harris-Decima	December 12, 2011	[346]	34	28	22	6	7	±2.2 pp	2,005	telephone	6
Abacus Data	December 4, 2011	[347]	40	31	18	6	5	±3.1 pp	1,004	online	9
Nanos Research	November 21, 2011	[348]	35.6	27.3	28.1	3.9	3.9	±3.2 pp	1,202	telephone	7.5
Ipsos Reid	November 9, 2011	[349]	37	31	21	6	3				6
Harris-Decima	November 6, 2011	[350]	36	29	22	5	7	±2.2 pp	2,000	telephone	7
Nanos Research	October 24, 2011	[351]	37.7	30.0	23.4	3.6	3.8	±3.2 pp	1,202	telephone	7.7
Nanos Research	October 2, 2011	[352]	39.0	29.0	24.5	3.5	2.9	±3.2 pp	1,209	telephone	10.0
Angus Reid	September 21, 2011	[353]	39	29	21	5	4	±2.4 pp	1,668	online	10
Leger Marketing	September 15, 2011	[354]	39	33	17	5	6	±2.4 pp	1,625	online	6
Nanos Research	September 1, 2011	[355]	39.5	33.1	20.7	2.6	3.4	±3.2 pp	1,210	telephone	6.4
Harris-Decima	August 29, 2011	[356]	33	33	21	6	7	±2.2 pp	2,026	telephone	Tie
Abacus Data	August 15, 2011	[357]	38	32	19	5	6	±3.2 pp	1,003	online	6
Angus Reid	August 9, 2011	[358]	39	31	19	6	4	±3.1 pp	1,005	online	8
Nanos Research	August 2, 2011	[359]	36.2	26.8	27.0	4.4	4.5	±3.1 pp	1,203	telephone	9.2
Abacus Data	June 24, 2011	[360]	41	32	17	6	5	±3.2 pp	1,005	online	9
Nanos Research	June 19, 2011	[361]	41.8	28.0	22.3	3.4	3.7	±3.1 pp	1,211	telephone	13.8
Nanos Research	May 29, 2011	[362]	39.7	29.9	21.5	2.7	4.8	±3.1 pp	1,205	telephone	9.8
Harris-Decima	May 22, 2011	[363]	38	33	15	5	7	±2.2 pp	2,000	telephone	5
Abacus Data	May 19, 2011	[364]	40	33	16	6	5	±2.5 pp	1,544	online	7
2011 election	May 2, 2011	[365]	39.6	30.6	18.9	6.0	3.9				9.0

Notes

¹ In cases when linked poll details distinguish between the margin of error associated with the total sample of respondents (including undecided and non-voters) and that of the subsample of decided/leaning voters, the latter is included in the table. Also not included is the margin of error created by rounding to the nearest whole number or any margin of error from methodological sources. Most online polls—because of their opt-in method of recruiting panellists which results in a non-random sample—cannot have a margin of error. In such cases, shown is what the margin of error would be for a survey using a random probability-based sample of equivalent size.

² Refers to the total sample size, including undecided and non-voters.

³ "Telephone" refers to traditional telephone polls conducted by live interviewers; "IVR" refers to automated Interactive Voice Response polls conducted by telephone; "online" refers to polls conducted exclusively over the internet; "telephone/online" refers to polls which combine results from both telephone and online surveys, or for which respondents are initially recruited by telephone and then asked to complete an online survey. "Rolling" polls contain overlapping data from one poll to the next, with the fraction in parentheses indicating the proportion of independent data compared to the previous published poll in the series.

Leadership polls

Aside from conducting the usual opinion surveys on general party preferences, polling firms also survey public opinion on who would make the best prime minister:

Polling firm	Last date of polling[1]	Link	Stephen Harper	Thomas Mulcair	Justin Trudeau	Elizabeth May	Margin of error[1]
Nanos Research	October 17, 2015	[366]	30.1	18.9	35.2	5.3	±2.2 pp
Nanos Research	October 16, 2015	[367]	30.2	19.0	35.0	5.3	±2.5 pp
Nanos Research	October 15, 2015	[368]	30.0	19.3	34.6	5.6	±2.8 pp
Nanos Research	October 14, 2015	[369]	29.2	20.1	33.9	5.8	±2.8 pp
Nanos Research	October 13, 2015	[370]	28.8	19.9	33.0	6.4	±2.8 pp
Ipsos Reid	October 13, 2015	[20]	32	30	38		±3.0 pp
Nanos Research	October 11, 2015	[371]	28.1	20.5	32.3	6.4	±2.8 pp
Nanos Research	October 10, 2015	[372]	28.2	22.6	30.2	5.8	±2.8 pp
Forum Research	October 9, 2015	[26]	26	22	29	8	±3 pp
Nanos Research	October 9, 2015	[373]	28.1	23.1	30.4	5.5	±2.8 pp
Nanos Research	October 8, 2015	[374]	30.8	22.8	29.8	4.9	±2.8 pp
Nanos Research	October 7, 2015	[375]	32.6	19.9	30.8	4.9	±2.8 pp
Forum Research	October 6, 2015	[376]	27	22	28	9	±3 pp
Nanos Research	October 6, 2015	[377]	33.2	18.7	30.4	5.8	±2.8 pp
Nanos Research	October 5, 2015	[378]	31.7	19.0	30.6	5.1	±2.8 pp
Nanos Research	October 4, 2015	[379]	31.1	20.7	30.2	5.4	±2.8 pp
Nanos Research	October 3, 2015	[380]	31.7	22.7	29.4	4.6	±2.8 pp
Nanos Research	October 2, 2015	[381]	32.6	24.4	27.7	4.8	±2.8 pp
Nanos Research	October 1, 2015	[382]	33.2	23.2	28.3	4.4	±2.8 pp
Léger Marketing	September 30, 2015	[383]	24	24	23		±2.1 pp
Nanos Research	September 30, 2015	[384]	32.9	24.1	27.3	4.3	±2.8 pp
Forum Research	September 29, 2015	[385]	29	25	22	9	±3 pp
Nanos Research	September 29, 2015	[386]	32.0	23.5	28.0	4.4	±2.8 pp
Nanos Research	September 28, 2015	[387]	31.4	24.8	27.4	4.0	±2.8 pp
Ipsos Reid	September 28, 2015	[56]	35	34	32		±3.0 pp
Nanos Research	September 27, 2015	[388]	32.4	23.7	25.9	4.5	±2.8 pp
Nanos Research	September 26, 2015	[389]	31.4	23.0	27.8	4.6	±2.8 pp
Nanos Research	September 25, 2015	[390]	30.2	24.4	27.2	5.5	±2.8 pp
Nanos Research	September 24, 2015	[391]	29.2	25.6	29.2	4.9	±2.8 pp
Forum Research	September 23, 2015	[63]	25	24	25	9	±3 pp
Nanos Research	September 23, 2015	[392]	30.1	26.0	28.3	5.1	±2.8 pp
Nanos Research	September 22, 2015	[393]	30.2	26.2	27.1	5.8	±2.8 pp
Nanos Research	September 21, 2015	[394]	30.3	26.1	27.0	6.1	±2.8 pp
Ipsos Reid	September 21, 2015	[395]	30	38	32		±3.4 pp
Nanos Research	September 20, 2015	[396]	29.3	25.9	25.3	6.1	±2.8 pp
Nanos Research	September 19, 2015	[397]	30.0	25.5	26.6	5.2	±2.8 pp
Forum Research	September 18, 2015	[398]	28	24	24	9	±3 pp
Nanos Research	September 18, 2015	[399]	29.7	26.3	25.5	6.0	±2.8 pp
Nanos Research	September 17, 2015	[400]	30.1	28.6	25.4	5.8	±2.8 pp
Nanos Research	September 16, 2015	[401]	31.2	28.1	24.6	6.2	±2.8 pp
Forum Research	September 15, 2015	[402]	25	30	19	8	±3 pp
Nanos Research	September 15, 2015	[403]	31.0	29.1	24.5	5.7	±2.8 pp
Nanos Research	September 14, 2015	[404]	31.6	28.5	24.3	5.9	±2.8 pp
Ipsos Reid	September 13, 2015	[405]	32	36	32		±3.6 pp
Nanos Research	September 13, 2015	[406]	29.4	29.6	25.6	5.2	±2.8 pp
Nanos Research	September 12, 2015	[407]	30.2	28.4	26.3	4.6	±2.8 pp
Nanos Research	September 11, 2015	[408]	29.9	27.0	28.3	4.0	±2.8 pp
Forum Research	September 10, 2015	[87]	25	31	22	7	±3 pp
Nanos Research	September 10, 2015	[409]	30.2	27.3	27.5	4.5	±2.8 pp
Innovative Research	September 10, 2015	[89]	23	24	20	6
Nanos Research	September 9, 2015	[410]	28.2	27.7	28.5	4.5	±2.8 pp
Nanos Research	September 8, 2015	[411]	25.7	29.4	28.0	5.6	±2.8 pp
Ipsos Reid	September 8, 2015	[412]	29	39	32		±3.6 pp
Nanos Research	September 6, 2015	[413]	25.3	29.8	28.2	5.2	±2.8 pp
Leger Marketing	September 2, 2015	[414]	21	25	21		±2.1 pp
Forum Research	September 1, 2015	[96]	24	31	24	8	±3 pp
Nanos Research	August 28, 2015	[415]	29	28	22	5	±3.1 pp
Innovative Research	August 26, 2015	[100]	24	24	18	5
Ipsos Reid	August 26, 2015	[416]	31	37	32		±3.1 pp
Forum Research	August 24, 2015	[417]	22	32	22	8	±3 pp
Angus Reid	August 24, 2015	[418]	26	29	18		±1.2 pp
Nanos Research	August 21, 2015	[419]	29	27	22	4	±3.1 pp
Forum Research	August 19, 2015	[420]	24	29	21	9	±3 pp
Nanos Research	August 14, 2015	[421]	30	26	21	4	±3.1 pp
Leger Marketing	August 12, 2015	[422]	21	28	20		±2.1 pp
Forum Research	August 11, 2015	[423]	25	28	23	7	±3 pp
Nanos Research	August 7, 2015	[424]	31	27	21	3	±3.1 pp
Forum Research	August 2, 2015	[115]	24	31	22	5	±3 pp
Nanos Research	July 31, 2015	[425]	31	28	22	3	±3.1 pp
Innovative Research	July 30, 2015	[426]	27	31	19	6
Forum Research	July 28, 2015	[118]	29	30	19	6	±3 pp
Nanos Research	July 24, 2015	[427]	30	29	22	3	±3.1 pp
Forum Research	July 20, 2015	[122]	25	29	20	6	±3 pp
Nanos Research	July 17, 2015	[123]	29	29	23	4	±3.1 pp
Leger Marketing	July 16, 2015	[124]	25	27	16		±2.5 pp
Forum Research	July 13, 2015	[126]	22	31	21	5	±3 pp
Nanos Research	July 10, 2015	[428]	26	28	25	4	±3.1 pp
Forum Research	July 7, 2015	[127]	25	27	23	6	±3 pp
Nanos Research	July 3, 2015	[429]	27	27	26	4	±3.1 pp
Forum Research	June 29, 2015	[129]	25	29	21	7	±3 pp
Nanos Research	June 26, 2015	[430]	28	25	27	4	±3.1 pp
Nanos Research	June 19, 2015	[431]	27	27	27	3	±3.1 pp
Nanos Research	June 12, 2015	[432]	29	28	26	3	±3.1 pp
Angus Reid	June 7, 2015	[433]	26	24	19		±1.2 pp
Nanos Research	June 5, 2015	[434]	29	25	27	4	±3.1 pp
Nanos Research	May 29, 2015	[142]	29	22	27	4	±3.1 pp
Nanos Research	May 22, 2015	[435]	32	20	29	5	±3.1 pp
Nanos Research	May 15, 2015	[436]	31	20	29	5	±3.1 pp
Nanos Research	May 8, 2015	[437]	31	21	28	5	±3.1 pp
Nanos Research	May 1, 2015	[438]	31	21	30	5	±3.1 pp
Leger Marketing	April 30, 2015	[149]	25	19	23		±2.5 pp
Nanos Research	April 24, 2015	[439]	29	21	30	5	±3.1 pp
Nanos Research	April 17, 2015	[154]	29	20	31	5	±3.1 pp
Nanos Research	April 10, 2015	[440]	31	19	30	4	±3.1 pp
Ipsos Reid	April 7, 2015	[441]	38	31	30		±3.1 pp
Nanos Research	April 3, 2015	[442]	31	18	29	4	±3.1 pp
Nanos Research	March 27, 2015	[443]	31	17	31	4	±3.1 pp
Nanos Research	March 20, 2015	[444]	34	16	31	4	±3.1 pp
Leger Marketing	March 18, 2015	[164]	25	17	23		±2.5 pp
Nanos Research	March 13, 2015	[445]	34	16	30	4	±3.1 pp
Nanos Research	March 6, 2015	[446]	34	17	31	4	±3.1 pp
Nanos Research	February 27, 2015	[169]	34	17	31	4	±3.1 pp
Nanos Research	February 20, 2015	[447]	33	16	31	4	±3.1 pp
Nanos Research	February 13, 2015	[448]	33	16	31	4	±3.1 pp
Nanos Research	February 6, 2015	[449]	32	17	31	3	±3.1 pp
Leger Marketing	February 2, 2015	[177]	25	16	23		±2.5 pp
Nanos Research	January 30, 2015	[450]	31	17	31	3	±3.1 pp
Nanos Research	January 23, 2015	[451]	31	19	30	4	±3.1 pp
Nanos Research	January 16, 2015	[452]	31	18	31	5	±3.1 pp
Nanos Research	January 9, 2015	[453]	30	18	31	5	±3.1 pp
Nanos Research	January 2, 2015	[454]	33	18	30	4	±3.1 pp
Nanos Research	December 26, 2014	[455]	33	18	32	4	±3.1 pp
Nanos Research	December 19, 2014	[456]	33	18	31	4	±3.1 pp
Angus Reid	December 13, 2014	[457]	30	16	28		±1.2 pp
Nanos Research	December 12, 2014	[458]	33	19	31	3	±3.1 pp
Leger Marketing	December 11, 2014	[188]	24	16	27		±2.5 pp
Nanos Research	December 5, 2014	[459]	32	20	30	4	±3.1 pp
Nanos Research	November 28, 2014	[460]	33	20	29	3	±3.1 pp
Nanos Research	November 21, 2014	[461]	32	20	29	3	±3.1 pp
Nanos Research	November 14, 2014	[462]	32	20	29	3	±3.1 pp
Nanos Research	November 7, 2014	[463]	32	20	30	4	±3.1 pp
Leger Marketing	November 6, 2014	[464]	26	16	28		±2.5 pp
Nanos Research	October 31, 2014	[465]	29	20	32	4	±3.1 pp
Nanos Research	October 24, 2014	[466]	29	19	34	5	±3.1 pp
Nanos Research	October 17, 2014	[467]	30	18	35	4	±3.1 pp
Leger Marketing	October 16, 2014	[464]	23	17	26		±2.5 pp
Nanos Research	October 10, 2014	[468]	30	17	35	4	±3.1 pp
Nanos Research	October 3, 2014	[469]	28	18	36	4	±3.1 pp
Nanos Research	September 26, 2014	[470]	28	18	35	3	±3.1 pp
Angus Reid	September 19, 2014	[200]	27	14	27	4	±2.5 pp
Nanos Research	September 19, 2014	[471]	28	18	34	5	±3.1 pp
Nanos Research	September 12, 2014	[472]	28	17	34	5	±3.1 pp
Nanos Research	September 5, 2014	[473]	29	15	34	5	±3.1 pp
Nanos Research	August 29, 2014	[474]	28	15	34	6	±3.1 pp
Nanos Research	August 22, 2014	[475]	27	16	32	6	±3.1 pp
Forum Research	August 19, 2014	[476]	29	15	31	8	±2 pp
Nanos Research	August 15, 2014	[477]	26	19	32	6	±3.1 pp
Nanos Research	August 8, 2014	[478]	26	19	31	7	±3.1 pp
Nanos Research	August 1, 2014	[479]	29	20	29	6	±3.1 pp
Nanos Research	July 25, 2014	[480]	30	20	30	5	±3.1 pp
Forum Research	July 18, 2014	[481]	27	16	30	7	±2 pp
Nanos Research	July 18, 2014	[482]	31	18	31	5	±3.1 pp
Nanos Research	July 11, 2014	[483]	31	19	29	5	±3.1 pp
Nanos Research	July 4, 2014	[484]	29	18	30	7	±3.1 pp
Nanos Research	June 27, 2014	[485]	28	17	31	7	±3.1 pp
Nanos Research	June 20, 2014	[486]	30	16	30	6	±3.1 pp
Forum Research	June 17, 2014	[210]	28	16	27	8	±2 pp
Nanos Research	June 13, 2014	[487]	28	14	33	7	±3.1 pp
Angus Reid	June 12, 2014	[211]	27	17	23	5	±1.2 pp
Nanos Research	June 6, 2014	[488]	30	14	32	6	±3.1 pp
Nanos Research	May 30, 2014	[489]	32	15	30	6	±3.1 pp
Angus Reid	May 23, 2014	[212]	27	17	23	4	±3.4 pp
Forum Research	May 23, 2014	[213]	26	17	28	8	±2 pp
Nanos Research	May 23, 2014	[490]	30	17	30	7	±3.1 pp
Nanos Research	May 16, 2014	[491]	31	19	27	6	±3.1 pp
Nanos Research	May 9, 2014	[492]	30	19	27	6	±3.1 pp
Nanos Research	May 2, 2014	[493]	27	20	27	6	±3.1 pp
Forum Research	April 29, 2014	[215]	25	17	30	10	±2 pp
Nanos Research	April 25, 2014	[494]	29	19	26	6	±3.1 pp
Nanos Research	April 18, 2014	[495]	29	19	27	6	±3.1 pp
Angus Reid	April 15, 2014	[217]	27	16	20	4	±3.4 pp
Nanos Research	April 11, 2014	[496]	30	20	27	6	±3.1 pp
Nanos Research	April 4, 2014	[497]	31	20	28	6	±3.1 pp
Forum Research	March 28, 2014	[219]	27	17	29	8	±2 pp
Nanos Research	March 28, 2014	[498]	30	18	29	6	±3.1 pp
Nanos Research	March 21, 2014	[499]	29	18	31	5	±3.1 pp
Nanos Research	March 14, 2014	[500]	27	17	32	6	±3.1 pp
Angus Reid	March 9, 2014	[220]	23	17	24	4	±1.2 pp
Nanos Research	March 7, 2014	[501]	26	18	31	6	±3.1 pp
Nanos Research	February 28, 2014	[502]	25	19	32	5	±3.1 pp
Nanos Research	February 21, 2014	[503]	28	19	29	5	±3.1 pp
Forum Research	February 19, 2014	[222]	26	16	33	8	±2 pp
Angus Reid	February 16, 2014	[224]	32	22	36	9	±2.5 pp
Nanos Research	February 14, 2014	[504]	28	19	30	4	±3.1 pp
Nanos Research	February 7, 2014	[505]	28	19	29	4	±3.1 pp
Ipsos Reid	February 4, 2014	[506]	34	24	42	–	±3.5 pp
Nanos Research	January 31, 2014	[507]	29	19	29	4	±3.1 pp
Forum Research	January 25, 2014	[228]	24	18	29	7	±3 pp
Nanos Research	January 24, 2014	[508]	27	21	29	4	±3.1 pp
Forum Research	January 17, 2014	[230]	25	19	29	7	±2 pp
Nanos Research	January 17, 2014	[509]	28	21	27	4	±3.1 pp
Nanos Research	January 10, 2014	[510]	27	20	29	4	±3.1 pp
Nanos Research	January 3, 2014	[511]	27	19	29	5	±3.1 pp
Nanos Research	December 27, 2013	[512]	27	18	29	5	±3.1 pp
Nanos Research	December 20, 2013	[513]	26	18	30	5	±3.1 pp
Forum Research	December 13, 2013	[232]	27	17	29	6	±2 pp
Nanos Research	December 13, 2013	[514]	28	18	27	6	±3.1 pp
Nanos Research	December 6, 2013	[515]	27	20	26	6	±3.1 pp
Nanos Research	November 29, 2013	[516]	27	20	26	5	±3.1 pp
Nanos Research	November 22, 2013	[517]	29	20	27	5	±3.1 pp
Nanos Research	November 15, 2013	[518]	27	19	29	5	±3.1 pp
Forum Research	November 13, 2013	[235]	25	17	27	7	±2 pp
Nanos Research	November 8, 2013	[519]	29	17	31	4	±3.1 pp
Nanos Research	November 1, 2013	[520]	30	16	32	4	±3.1 pp
Nanos Research	October 25, 2013	[521]	30	16	32	5	±3.1 pp
Forum Research	October 23, 2013	[238]	25	15	31	9	±3 pp
Forum Research	October 22, 2013	[522]	25	13	29	7	±3 pp
Abacus Data	October 22, 2013	[240]	24	12	26	4	±2.6 pp
Nanos Research	October 18, 2013	[523]	31	16	32	5	±3.1 pp
Nanos Research	October 11, 2013	[524]	30	16	33	5	±3.1 pp
Nanos Research	October 4, 2013	[525]	29	15	31	5	±3.1 pp
Forum Research	September 17, 2013	[245]	27	15	30	6	±3 pp
Harris-Decima	August 25, 2013	[526]	29	14	33	–	±3.1 pp
Forum Research	August 23, 2013	[249]	24	16	32	9	±3 pp
Leger Marketing	June 19, 2013	[527]	23	14	27	6	±2.5 pp
Harris-Decima	April 21, 2013	[528]	31	18	33	–	±3.1 pp

See also

• Opinion polling in the Canadian federal election, 2015 by constituency
• Opinion polling in the Canadian federal election, 2006
• Opinion polling in the Canadian federal election, 2008
• Opinion polling in the Canadian federal election, 2011

References

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