National Assembly for Wales election, 2011 Constituency Vote ( ) Constituency Vote ( )

| Dates_conducted | Polling_organisation_client | Cons | Plaid_Cymru | Lib_Dem | Others_ | Lead_ |
|---|---|---|---|---|---|---|
| 5 May 2011 | Welsh Assembly election results, 2011 | 25.0% | 19.3% | 10.6% | 2.8% | 17.3% |
| 4 May 2011 | YouGov/ITV Wales | 20% | 18% | 9% | 6% | 29% |
| 2 May 2011 | YouGov/ITV Wales | 21% | 18% | 8% | 7% | 27% |
| 14 April 2011 | YouGov/ITV Wales | 20% | 17% | 8% | 6% | 32% |
| 7 April 2011 | rmg:Clarity/Western Mail | 20% | 17% | 8% | 5% | 34% |
| 30 March 2011 | YouGov/ITV Wales | 21% | 17% | 8% | 6% | 30% |
| 8 March 2011 | YouGov/ITV Wales | 20% | 19% | 7% | 7% | 29% |
| 26 January 2011 | YouGov/ITV Wales | 21% | 21% | 7% | 6% | 24% |
| 22 December 2010 | YouGov/ITV Wales | 23% | 21% | 6% | 6% | 23% |