| Date | Yes | No | Don’t know | ||
| Ipsos MORI/STV (1) | 05/12/2013 | 34 | 57 | 10 | -23 |
| TNS BMRB (2) | 27/11/2013 | 26 | 42 | 32 | -16 |
| Panelbase/Sunday Times (1) | 20/11/2013 | 38 | 47 | 15 | -9 |
| Panelbase/Wings Over Scotland (1) | 24/10/2013 | 37 | 45 | 17 | -8 |
| TNS BMRB (2) | 02/10/2013 | 25 | 44 | 31 | -19 |
| YouGov/Times (3) | 16/09/2013 | 32 | 52 | 13 | -20 |
| Ipsos MORI (1) | 15/09/2013 | 31 | 59 | 10 | -28 |
| Progressive Scottish Opinion/Daily Mail | 01/09/2013 | 27 | 59 | 14 | -32 |
| ICM/Scotsman on Sunday (1) | 13/09/2013 | 32 | 49 | 19 | -17 |
| Panelbase/Sunday Times (1) | 05/09/2013 | 37 | 47 | 16 | -10 |
| Panelbase/SNP (3)(*) | 28/08/2013 | 44 | 43 | 13 | 1 |
| TNS BMRB (2) | 27/08/2013 | 25 | 47 | 28 | -22 |
| YouGov/Devo Plus (2) | 22/08/2013 | 29 | 59 | 10 | -30 |
| Angus Reid (1) | 16/08/2013 | 34 | 47 | 17 | -13 |
| Panelbase/Sunday Times (1) | 24/07/2013 | 37 | 46 | 17 | -9 |
| Panelbase/Sunday Times (1) | 16/05/2013 | 36 | 44 | 20 | -8 |
| Ashcroft (2)(**) | 09/05/2013 | 26 | 65 | 10 | -29 |
| Ipsos-MORI/Times (1) | 05/05/2013 | 31 | 59 | 10 | -28 |
| Ashcroft (1) (**) | 02/05/2013 | 30 | 56 | 11 | -26 |
| TNS-BMRB/Herald (1) | 02/04/2013 | 30 | 51 | 19 | -21 |
| Panelbase/Sunday Times (1) | 22/03/2013 | 36 | 46 | 18 | -10 |
| TNS-BMRB/Scottish CND (1) | 28/02/2013 | 33 | 52 | 15 | -19 |
| Ipsos-MORI/Times (1) | 09/02/2013 | 34 | 55 | 11 | -21 |
| Angus Reid/Mail on Sunday(1) | 01/02/2013 | 32 | 47 | 20 | -15 |
| Panelbase/Sunday Times (2) | 22/01/2013 | 34 | 47 | 19 | -13 |
| Angus Reid/Sunday Express (2) | 04/01/2013 | 32 | 50 | 16 | -18 |
| YouGov/DC Thompson (2) | 24/10/2012 | 29 | 55 | 14 | -26 |
| Panelbase/Sunday Times (2) | 19/10/2012 | 37 | 45 | 17 | -8 |
| Ipsos-MORI/Times (2) | 15/10/2012 | 30 | 58 | 12 | -28 |
| Panelbase/Sunday Times (2) | 10/08/2012 | 35 | 44 | 21 | -9 |
| Panelbase/Sunday Times (2) | 17/07/2012 | 36 | 45 | 20 | -9 |
| Ipsos-MORI/Times (2) | 14/06/2012 | 35 | 55 | 11 | -20 |
| Panelbase/Sunday Times (2) | 01/02/2012 | 37 | 42 | 21 | -5 |
| Ipsos-MORI/Times (2) | 29/01/2012 | 39 | 50 | 11 | -11 |
| 32.94117647 | 50.26471 | 16.41176 | -17.0294 | ||