| Poll Date | Sponsor | Conservatives | Liberals | NDP | Greens | Bloc Q | |
| Seat Projections* | 12-Oct | Dem. Space | 128 | 92 | 34 | 0 | 52 |
| 12-Oct | Trendlines | 132 | 84 | 39 | 0 | 52 | |
| 10-Oct | Ekos | 152 | 60 | 39 | 0 | 57 | |
| * 155 for majority | Oct 10-12 | RCW AVG | 137.3 | 78.7 | 37.3 | 0.0 | 53.7 |
| National | Oct 10-12 | Ekos | 34 | 26 | 18 | 11 | 10 |
| Oct 9-12 | Decima | 34 | 25 | 19 | 9 | 11 | |
| 11-Oct | Strategic | 33 | 28 | 18 | 11 | 9 | |
| Oct 9-12 | RCW AVG | 33.7 | 26.3 | 18.3 | 10.3 | 10.0 | |
| Ontario | Oct 10-12 | Ekos | 34 | 36 | 17 | 13 | N/A |
| Oct 9-12 | Decima | 35 | 33 | 21 | 10 | N/A | |
| 10-Oct | Strategic | 31 | 37 | 22 | 10 | N/A | |
| Oct 9-12 | RCW AVG | 33.3 | 35.3 | 20.0 | 11.0 | N/A | |
| Quebec | Oct 10-12 | Ekos | 24 | 17 | 12 | 5 | 41 |
| Oct 9-12 | Decima | 17 | 18 | 12 | 5 | 46 | |
| 10-Oct | Strategic | 25 | 23 | 11 | 5 | 37 | |
| Oct 9-12 | RCW AVG | 22.0 | 19.3 | 11.7 | 5.0 | 41.3 | |
| Atlantic | Oct 10-12 | Ekos | 23 | 34 | 32 | 10 | N/A |
| Oct 9-12 | Decima | 20 | 45 | 20 | 12 | N/A | |
| Oct 9-12 | RCW AVG | 21.5 | 39.5 | 26.0 | 11.0 | N/A | |
| Alberta | Oct 10-12 | Ekos | 56.0 | 16.0 | 16.0 | 12.0 | N/A |
| Sask. & Man. | Oct 10-12 | Ekos | 43.0 | 18.0 | 31.0 | 7.0 | N/A |
| B.C. | Oct 10-12 | Ekos | 39 | 24 | 22 | 15 | N/A |
| Oct 9-12 | Decima | 36 | 20 | 29 | 14 | N/A | |
| Oct 9-12 | RCW AVG | 37.5 | 22.0 | 25.5 | 14.5 | N/A | |