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

| Dates_conducted | Cons | Plaid_Cymru | Lib_Dem | UKIP | Green | Others_ | Lead_ |
|---|---|---|---|---|---|---|---|
| 5 May 2011 | 22.5% | 17.9% | 8.0% | 4.6% | 3.4% | 6.7% | 14.4% |
| 14 April 2011 | 20% | 18% | 8% | 4% | 2% | 4% | 24% |
| 30 March 2011 | 20% | 16% | 8% | 6% | 2% | 2% | 25% |
| 8 March 2011 | 20% | 18% | 5% | 5% | 4% | 2% | 25% |
| 26 January 2011 | 20% | 21% | 8% | 4% | 2% | 4% | 21% |
| 22 December 2010 | 22% | 21% | 5% | 5% | 3% | 2% | 20% |
| 24 November 2010 | 20% | 20% | 9% | 4% | 3% | 4% | 21% |
| 27 October 2010 | 18% | 23% | 9% | 6% | 2% | 3% | 21% |
| 3 May 2007 | 21.4% | 21.0% | 11.7% | 4.0% | 3.5% | 8.8% | 8.6% |