Opinion polling for the 2015 Canadian federal election

Opinion polling for
Canadian federal elections
2008
Opinion polls
2011
Opinion polls • By constituency
2015
Opinion polls • By constituency
2019
Opinion polls • By constituency
2021
Opinion polls • By constituency

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

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