Historical statistics from 1780 to 1974
http://wales.gov.uk/topics/statistics/publications/dwhs1700-1974/?lang=en
General election results in Wales
Download the election results as an Excel file.
Turnouts at elections in Wales (Parliamentary general elections and National Assembly for Wales)
Poll evidence on constitutional preferences in Wales
| 1997 | 1999 | 2001 | 2003 | 2006 | 2007 | 2008 | 2009 | |
| Independence | 13 | 10 | 12 | 13 | 11 | 12 | 10 | 8 |
| Parliament | 18 | 28 | 37 | 36 | 40 | 42 | 39 | 35 |
| Assembly | 25 | 33 | 25 | 25 | 24 | 26 | 31 | 37 |
| No Devolution | 37 | 24 | 23 | 20 | 20 | 16 | 15 | 14 |
| DK/Refused | 7 | 5 | 4 | 5 | 5 | 5 | 6 | 6 |
Martin Johnes 