# Leadership opinion polling for the 2008 Spanish general election

In the run up to the 2008 Spanish general election, various organisations carried out opinion polling to gauge the opinions that voters hold towards political leaders. Results of such polls are displayed in this article. The date range for these opinion polls is from the previous general election, held on 14 March 2004, to the day the next election was held, on 9 March 2008.

## Preferred prime minister

The table below lists opinion polling on leader preferences to become prime minister.
| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Rodríguez Zapatero PSOE | Rajoy PP | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 2 Mar 2008 | ? | 49.0 | 34.0 | – | – | 15.0 |
| Opina/Cadena SER | 29 Feb 2008 | ? | 49.0 | 34.0 | – | – | 15.0 |
| Noxa/La Vanguardia | 26–29 Feb 2008 | 1,200 | 57.0 | 37.0 | – | 6.0 | 20.0 |
| Opina/Cadena SER | 28 Feb 2008 | ? | 48.0 | 34.0 | – | – | 14.0 |
| Opina/Cadena SER | 26 Feb 2008 | ? | 48.0 | 34.0 | – | – | 14.0 |
| Obradoiro de Socioloxía/Público | 23–26 Feb 2008 | ? | 49.0 | 27.5 | – | – | 21.5 |
| Opina/Cadena SER | 25 Feb 2008 | ? | 48.0 | 34.0 | – | – | 14.0 |
| Obradoiro de Socioloxía/Público | 22–25 Feb 2008 | 1,796 | 48.8 | 27.0 | – | – | 21.8 |
| Opina/Cadena SER | 24 Feb 2008 | ? | 48.0 | 34.0 | – | – | 14.0 |
| Obradoiro de Socioloxía/Público | 21–23 Feb 2008 | ? | 47.0 | 27.4 | – | – | 19.6 |
| Obradoiro de Socioloxía/Público | 20–22 Feb 2008 | 1,812 | 44.7 | 27.6 | – | – | 17.1 |
| Opina/Cadena SER | 21 Feb 2008 | ? | 47.0 | 35.0 | – | – | 12.0 |
| GESOP/El Periódico | 11–17 Feb 2008 | 1,500 | 53.3 | 30.8 | – | – | 22.5 |
| Noxa/La Vanguardia | 8–14 Feb 2008 | 1,800 | 54.0 | 36.0 | – | 10.0 | 18.0 |
| Obradoiro de Socioloxía/Público | 7 Jan–12 Feb 2008 | 12,000 | 46.1 | 29.0 | – | – | 17.1 |
| Obradoiro de Socioloxía/Público | 28 Jan–8 Feb 2008 | 4,008 | 46.0 | 27.6 | 20.7 | 5.7 | 18.4 |
| CIS | 21 Jan–4 Feb 2008 | 18,221 | 50.4 | 26.2 | 17.5 | 5.9 | 24.2 |
| Obradoiro de Socioloxía/Público | 21–31 Jan 2008 | 4,009 | 46.3 | 27.1 | – | – | 19.2 |
| Obradoiro de Socioloxía/Público | 14–24 Jan 2008 | 4,007 | 47.4 | 29.0 | – | – | 18.4 |
| Opina/Cadena SER | 23 Jan 2008 | 1,000 | 50.7 | 31.4 | 10.0 | 7.9 | 19.3 |
| Noxa/La Vanguardia | 11–16 Jan 2008 | 1,000 | 53.0 | 37.0 | – | 10.0 | 16.0 |
| Opina/Cadena SER | 9 Jan 2008 | 1,000 | 47.4 | 33.9 | 8.4 | 10.3 | 13.5 |
| Obradoiro de Socioloxía/Público | 20 Nov–21 Dec 2007 | 9,100 | 47.7 | 25.7 | – | – | 22.0 |
| Noxa/La Vanguardia | 28 Nov–12 Dec 2007 | 2,000 | 54.0 | 35.0 | – | 11.0 | 19.0 |
| Opina/Cadena SER | 4 Dec 2007 | 1,000 | 50.1 | 30.8 | 9.0 | 10.1 | 19.3 |
| Opina/Cadena SER | 21 Nov 2007 | 1,000 | 49.6 | 30.7 | 8.4 | 11.3 | 18.9 |
| GESOP/El Periódico | 12–17 Nov 2007 | 1,500 | 53.1 | 26.8 | – | – | 26.3 |
| Opina/Cadena SER | 6 Nov 2007 | 1,000 | 49.6 | 30.4 | 10.2 | 9.8 | 19.2 |
| Opina/Cadena SER | 23 Oct 2007 | 1,000 | 50.3 | 31.2 | 7.1 | 11.4 | 19.1 |
| Opina/Cadena SER | 9 Oct 2007 | 1,000 | 51.4 | 30.6 | 8.9 | 9.1 | 20.8 |
| Noxa/La Vanguardia | 28 Sep–3 Oct 2007 | 1,000 | 51.0 | 36.0 | – | 13.0 | 15.0 |
| Opina/Cadena SER | 26 Sep 2007 | 1,000 | 48.1 | 31.6 | 10.5 | 9.8 | 16.5 |
| Opina/Cadena SER | 13 Sep 2007 | 1,000 | 49.7 | 32.0 | 9.4 | 8.9 | 17.7 |
| Opina/Cadena SER | 29 Aug 2007 | 1,000 | 49.9 | 30.7 | 10.0 | 9.4 | 19.2 |
| GESOP/El Periódico | 13–15 Jun 2007 | 800 | 51.5 | 30.0 | – | – | 21.5 |
| Opina/El País | 21–22 Mar 2007 | 1,000 | 47.9 | 31.8 | – | – | 16.1 |
| GESOP/El Periódico | 11–15 Mar 2007 | 1,500 | 48.7 | 31.2 | – | – | 17.5 |
| Opina/Cadena SER | 7 Mar 2007 | 1,000 | 47.6 | 36.4 | 7.5 | 8.5 | 11.2 |
| Opina/Cadena SER | 23 Feb 2007 | 1,000 | 50.4 | 30.8 | 7.5 | 11.3 | 19.6 |
| Opina/Cadena SER | 7 Feb 2007 | ? | 48.6 | 32.5 | 9.6 | 9.3 | 16.1 |
| Opina/Cadena SER | 17 Jan 2007 | ? | 51.0 | 31.4 | 7.5 | 10.1 | 19.6 |
| Opina/Cadena SER | 4 Jan 2007 | 1,000 | 48.0 | 34.2 | 6.1 | 11.7 | 13.8 |
| Opina/Cadena SER | 12 Dec 2006 | ? | 49.5 | 29.1 | 7.4 | 14.0 | 20.4 |
| Opina/El País | 14 Jul 2006 | 800 | 46.9 | 31.5 | – | – | 15.4 |
| GESOP/El Periódico | 30 Jun–4 Jul 2006 | 1,000 | 52.0 | 28.3 | – | – | 23.7 |
| GESOP/El Periódico | 19–22 Apr 2006 | 1,002 | 53.6 | 31.6 | – | – | 22.0 |
| Opina/Cadena SER | 30 Mar 2006 | 1,000 | 48.0 | 31.4 | 6.9 | 13.7 | 16.6 |
| Opina/Cadena SER | 23 Mar 2006 | ? | 49.8 | 30.9 | 6.6 | 12.7 | 18.9 |
| Opina/Cadena SER | 15–16 Mar 2006 | 1,000 | 46.2 | 32.9 | 9.8 | 11.1 | 13.3 |
| Opina/Cadena SER | 2 Mar 2006 | 1,000 | 47.6 | 33.2 | 7.6 | 11.6 | 14.4 |
| Opina/Cadena SER | 16 Feb 2006 | 1,000 | 47.1 | 33.5 | 8.1 | 11.3 | 13.6 |
| Opina/Cadena SER | 2 Feb 2006 | 1,000 | 46.7 | 34.5 | 8.8 | 10.0 | 12.2 |
| GESOP/El Periódico | 30 Jan–2 Feb 2006 | 1,000 | 49.3 | 31.4 | – | – | 17.9 |
| Opina/Cadena SER | 21 Jan 2006 | ? | 47.6 | 33.2 | 7.5 | 11.7 | 12.2 |
| Opina/Cadena SER | 3 Jan 2006 | 1,000 | 46.6 | 32.8 | 8.2 | 12.4 | 13.8 |
| Opina/Cadena SER | 7 Dec 2005 | ? | 45.8 | 34.8 | 7.4 | 12.0 | 11.0 |
| Opina/Cadena SER | 17 Nov 2005 | 1,000 | 45.4 | 35.1 | 7.8 | 11.7 | 10.3 |
| Opina/Cadena SER | 3 Nov 2005 | 1,000 | 44.3 | 34.5 | 7.6 | 13.6 | 9.7 |
| Opina/Cadena SER | 14 Oct 2005 | 1,000 | 48.8 | 33.9 | 9.0 | 8.3 | 14.9 |
| GESOP/El Periódico | 9–11 Oct 2005 | 1,000 | 49.9 | 32.5 | – | – | 17.4 |
| Opina/Cadena SER | 1 Oct 2005 | 1,000 | 47.0 | 31.3 | 9.0 | 12.7 | 15.7 |
| Opina/Cadena SER | 15 Sep 2005 | 1,000 | 48.0 | 31.5 | 9.4 | 11.1 | 16.5 |
| Opina/Cadena SER | 1 Sep 2005 | ? | 51.7 | 29.1 | 6.0 | 13.2 | 22.6 |
| Opina/Cadena SER | 29 Jun 2005 | 1,000 | 51.2 | 29.1 | 5.4 | 14.3 | 22.1 |
| Opina/Cadena SER | 19 May 2005 | ? | 51.9 | 29.9 | 5.7 | 12.5 | 22.0 |
| Opina/Cadena SER | 12 May 2005 | 1,000 | 51.8 | 30.8 | 5.1 | 12.3 | 21.0 |
| Opina/Cadena SER | 21 Apr 2005 | 1,000 | 49.2 | 31.5 | 6.6 | 12.7 | 17.7 |
| Opina/Cadena SER | 9 Mar 2005 | 1,000 | 51.1 | 30.9 | 5.6 | 12.4 | 20.2 |
| Opina/Cadena SER | 23 Feb 2005 | 1,000 | 48.1 | 32.1 | 5.2 | 14.6 | 16.0 |
| Opina/Cadena SER | 2 Feb 2005 | 1,000 | 49.4 | 30.5 | 6.0 | 14.1 | 18.9 |

## Predicted prime minister

The table below lists opinion polling on the perceived likelihood for each leader to become prime minister.
| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Rodríguez Zapatero PSOE | Rajoy PP | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 2 Mar 2008 | ? | 67.0 | 13.0 | – | – | 54.0 |
| Opina/Cadena SER | 1 Mar 2008 | 3,000 | 70.0 | 12.0 | – | – | 58.0 |
| Opina/Cadena SER | 29 Feb 2008 | ? | 66.0 | ? | – | – | ? |
| Infortécnica | 1–29 Feb 2008 | 1,945 | 66.5 | 21.0 | 12.6 | – | 45.5 |
| Opina/Cadena SER | 28 Feb 2008 | ? | 64.0 | 14.0 | – | – | 50.0 |
| Obradoiro de Socioloxía/Público | 26–28 Feb 2008 | 1,810 | 60.4 | 10.8 | – | – | 49.6 |
| Opina/Cadena SER | 26 Feb 2008 | ? | 61.0 | 16.0 | – | – | 45.0 |
| Obradoiro de Socioloxía/Público | 23–26 Feb 2008 | ? | 55.5 | 11.1 | – | – | 44.4 |
| Opina/Cadena SER | 25 Feb 2008 | ? | 61.0 | 16.0 | – | – | 45.0 |
| Obradoiro de Socioloxía/Público | 22–25 Feb 2008 | 1,796 | 53.9 | ? | – | – | ? |
| Opina/Cadena SER | 24 Feb 2008 | ? | 60.0 | 15.0 | – | – | 45.0 |
| Opina/Cadena SER | 23 Feb 2008 | ? | 60.0 | ? | – | – | ? |
| Obradoiro de Socioloxía/Público | 20–22 Feb 2008 | 1,812 | 54.4 | 11.7 | 1.2 | 32.7 | 42.7 |
| Opina/Cadena SER | 21 Feb 2008 | ? | 60.0 | 16.0 | – | – | 44.0 |
| Obradoiro de Socioloxía/Público | 18–20 Feb 2008 | 1,812 | 51.9 | 12.8 | 2.2 | 33.1 | 39.1 |
| GESOP/El Periódico | 11–17 Feb 2008 | 1,500 | 63.3 | 12.9 | – | – | 50.4 |
| Obradoiro de Socioloxía/Público | 7 Jan–12 Feb 2008 | 12,000 | 53.9 | 16.2 | – | – | 37.7 |
| Obradoiro de Socioloxía/Público | 28 Jan–8 Feb 2008 | 4,008 | 55.5 | 14.9 | – | – | 40.6 |
| Obradoiro de Socioloxía/Público | 21–31 Jan 2008 | 4,009 | 53.9 | 14.8 | – | – | 39.1 |
| Obradoiro de Socioloxía/Público | 14–24 Jan 2008 | 4,007 | 53.1 | 16.2 | – | – | 36.9 |
| Opina/Cadena SER | 23 Jan 2008 | 1,000 | 60.6 | 19.9 | 0.7 | 18.8 | 40.7 |
| Opina/Cadena SER | 9 Jan 2008 | 1,000 | 57.5 | 21.6 | 0.5 | 20.4 | 35.9 |
| Obradoiro de Socioloxía/Público | 20 Nov–21 Dec 2007 | 9,100 | 52.4 | 16.2 | 2.3 | 29.1 | 36.2 |
| Opina/Cadena SER | 4 Dec 2007 | 1,000 | 59.3 | 18.3 | 0.5 | 21.9 | 41.0 |
| Opina/Cadena SER | 21 Nov 2007 | 1,000 | 58.7 | 18.6 | 0.6 | 22.1 | 40.1 |
| GESOP/El Periódico | 12–17 Nov 2007 | 1,500 | 63.5 | 14.6 | – | – | 48.9 |
| Opina/Cadena SER | 6 Nov 2007 | 1,000 | 57.0 | 21.7 | 1.5 | 19.8 | 35.3 |
| Opina/Cadena SER | 23 Oct 2007 | 1,000 | 55.0 | 23.3 | 1.0 | 20.7 | 31.7 |
| Opina/Cadena SER | 9 Oct 2007 | 1,000 | 55.0 | 23.5 | 1.1 | 20.4 | 31.5 |
| Noxa/La Vanguardia | 28 Sep–3 Oct 2007 | 1,000 | 58.0 | 29.0 | – | 13.0 | 29.0 |
| Opina/Cadena SER | 26 Sep 2007 | 1,000 | 53.2 | 23.8 | 1.2 | 21.8 | 29.4 |
| Opina/Cadena SER | 13 Sep 2007 | 1,000 | 55.0 | 23.2 | 1.3 | 20.5 | 31.8 |
| Opina/Cadena SER | 29 Aug 2007 | 1,000 | 57.2 | 22.6 | 1.2 | 19.0 | 34.6 |
| GESOP/El Periódico | 13–15 Jun 2007 | 800 | 43.8 | 34.0 | – | – | 9.8 |
| Opina/El País | 21–22 Mar 2007 | 1,000 | 51.6 | 27.9 | – | – | 23.7 |
| GESOP/El Periódico | 11–15 Mar 2007 | 1,500 | 48.7 | 27.0 | – | – | 21.7 |
| Opina/Cadena SER | 7 Mar 2007 | 1,000 | 46.0 | 30.4 | 2.0 | 21.6 | 15.6 |
| Opina/Cadena SER | 23 Feb 2007 | 1,000 | 53.6 | 22.0 | 1.5 | 22.9 | 31.6 |
| Opina/Cadena SER | 7 Feb 2007 | ? | 51.9 | 24.6 | 1.7 | 21.8 | 27.3 |
| Opina/Cadena SER | 17 Jan 2007 | ? | 52.6 | 24.0 | 0.8 | 22.6 | 28.6 |
| Opina/Cadena SER | 4 Jan 2007 | 1,000 | 47.7 | 28.3 | 0.9 | 23.1 | 19.4 |
| Opina/Cadena SER | 12 Dec 2006 | ? | 57.1 | 19.4 | 1.2 | 22.3 | 37.7 |
| Opina/El País | 14 Jul 2006 | 800 | 54.0 | 20.6 | – | – | 33.4 |
| GESOP/El Periódico | 30 Jun–4 Jul 2006 | 1,000 | 61.6 | 19.0 | – | – | 42.6 |
| GESOP/El Periódico | 19–22 Apr 2006 | 1,002 | 62.2 | 18.5 | – | – | 43.7 |
| Opina/Cadena SER | 30 Mar 2006 | 1,000 | 55.4 | 20.8 | 1.7 | 22.1 | 34.6 |
| Opina/Cadena SER | 23 Mar 2006 | ? | 56.3 | 18.4 | 1.2 | 24.1 | 37.9 |
| Opina/Cadena SER | 15–16 Mar 2006 | 1,000 | 52.5 | 25.5 | 1.6 | 20.4 | 27.0 |
| Opina/Cadena SER | 2 Mar 2006 | 1,000 | 50.6 | 28.3 | 1.3 | 19.8 | 22.3 |
| Opina/Cadena SER | 16 Feb 2006 | 1,000 | 49.1 | 29.3 | 1.5 | 20.1 | 19.7 |
| Opina/Cadena SER | 2 Feb 2006 | 1,000 | 46.3 | 28.4 | 0.9 | 24.4 | 17.9 |
| GESOP/El Periódico | 30 Jan–2 Feb 2006 | 1,000 | 48.5 | 31.3 | – | – | 17.2 |
| Opina/Cadena SER | 21 Jan 2006 | ? | 47.9 | 30.7 | 1.3 | 20.1 | 17.2 |
| Opina/Cadena SER | 3 Jan 2006 | 1,000 | 48.4 | 28.8 | 1.4 | 21.4 | 19.6 |
| Opina/Cadena SER | 7 Dec 2005 | ? | 44.8 | 33.5 | 1.0 | 20.7 | 11.3 |
| Opina/Cadena SER | 17 Nov 2005 | 1,000 | 44.4 | 34.1 | 1.2 | 20.3 | 10.3 |
| Opina/Cadena SER | 3 Nov 2005 | 1,000 | 48.3 | 30.1 | 1.7 | 19.9 | 18.2 |
| Opina/Cadena SER | 14 Oct 2005 | 1,000 | 47.7 | 31.1 | 2.1 | 19.1 | 16.6 |
| Opina/Cadena SER | 1 Oct 2005 | 1,000 | 59.5 | 19.2 | 1.6 | 19.7 | 40.3 |
| Opina/Cadena SER | 15 Sep 2005 | 1,000 | 62.7 | 17.2 | 1.8 | 18.3 | 45.5 |
| Opina/Cadena SER | 1 Sep 2005 | ? | 61.9 | 18.3 | 0.3 | 19.5 | 43.6 |
| Opina/Cadena SER | 29 Jun 2005 | 1,000 | 60.2 | 17.3 | 0.7 | 21.8 | 42.9 |
| Opina/Cadena SER | 19 May 2005 | ? | 66.0 | 15.6 | 0.3 | 18.1 | 50.4 |
| Opina/Cadena SER | 12 May 2005 | 1,000 | 60.3 | 18.6 | 0.6 | 20.5 | 41.7 |
| Opina/Cadena SER | 21 Apr 2005 | 1,000 | 59.5 | 18.7 | 1.1 | 20.7 | 40.8 |
| Opina/Cadena SER | 9 Mar 2005 | 1,000 | 61.7 | 17.9 | 0.3 | 20.1 | 43.8 |
| Opina/Cadena SER | 23 Feb 2005 | 1,000 | 58.1 | 21.0 | 0.8 | 20.1 | 37.1 |
| Opina/Cadena SER | 2 Feb 2005 | 1,000 | 57.4 | 22.4 | 1.9 | 18.3 | 35.0 |

## Approval ratings

The tables below list the public approval ratings of the leaders and leading candidates of the main political parties in Spain.

### José Luis Rodríguez Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | José Luis Rodríguez Zapatero (PSOE) | José Luis Rodríguez Zapatero (PSOE) | José Luis Rodríguez Zapatero (PSOE) | José Luis Rodríguez Zapatero (PSOE) |
| Polling firm/Commissioner | Fieldwork date | Sample size | Y | N | ? | Net |
| Opina/Cadena SER | 2 Mar 2008 | ? | 54.0 | ? | ? | +? |
| Opina/Cadena SER | 29 Feb 2008 | ? | 53.0 | ? | ? | +? |
| Opina/Cadena SER | 28 Feb 2008 | ? | 52.0 | ? | ? | +? |
| Opina/Cadena SER | 27 Feb 2008 | 9,000 | 51.0 | ? | ? | +? |
| Opina/Cadena SER | 26 Feb 2008 | ? | 49.5 | ? | ? | +? |
| Opina/Cadena SER | 25 Feb 2008 | ? | 50.3 | ? | ? | +? |
| Opina/Cadena SER | 24 Feb 2008 | ? | 50.0 | ? | ? | +? |
| Opina/Cadena SER | 23 Feb 2008 | ? | 49.0 | ? | ? | +? |
| Obradoiro de Socioloxía/Público | 7 Jan–12 Feb 2008 | 12,000 | 52.1 | ? | ? | +? |
| Obradoiro de Socioloxía/Público | 28 Jan–8 Feb 2008 | 4,008 | 52.3 | 36.6 | 11.3 | +15.5 |
| Simple Lógica | 23 Jan–4 Feb 2008 | 2,031 | 45.5 | 41.6 | 12.8 | +3.9 |
| Obradoiro de Socioloxía/Público | 21–31 Jan 2008 | 4,009 | 52.7 | 35.9 | 11.4 | +16.8 |
| Obradoiro de Socioloxía/Público | 14–24 Jan 2008 | 4,007 | 53.9 | ? | ? | +? |
| Opina/Cadena SER | 23 Jan 2008 | 1,000 | 50.6 | 42.9 | 6.5 | +7.7 |
| Ipsos–Eco/Expansión | 11–13 Jan 2008 | ? | 54.0 | 43.0 | 3.0 | +11.0 |
| Opina/Cadena SER | 9 Jan 2008 | 1,000 | 50.2 | 44.2 | 5.6 | +6.0 |
| Obradoiro de Socioloxía/Público | 20 Nov–21 Dec 2007 | 9,100 | 52.8 | 35.4 | 11.8 | +17.4 |
| Ipsos–Eco/Expansión | 14–16 Dec 2007 | 1,000 | 54.0 | 41.0 | 5.0 | +13.0 |
| Noxa/La Vanguardia | 28 Nov–12 Dec 2007 | 2,000 | 59.0 | 38.0 | 3.0 | +21.0 |
| Opina/Cadena SER | 4 Dec 2007 | 1,000 | 52.3 | 40.4 | 7.3 | +11.9 |
| Opina/Cadena SER | 21 Nov 2007 | 1,000 | 51.5 | 41.5 | 7.0 | +10.0 |
| Ipsos–Eco/Expansión | 9–11 Nov 2007 | ? | 51.0 | 44.0 | 5.0 | +7.0 |
| Opina/Cadena SER | 6 Nov 2007 | 1,000 | 51.3 | 41.0 | 7.7 | +10.3 |
| Opina/Cadena SER | 23 Oct 2007 | 1,000 | 48.5 | 43.2 | 8.3 | +5.3 |
| Ipsos–Eco/Expansión | 22 Oct 2007 | ? | 52.0 | 43.0 | 5.0 | +9.0 |
| Opina/Cadena SER | 9 Oct 2007 | 1,000 | 49.7 | 42.0 | 8.3 | +7.7 |
| Obradoiro de Socioloxía/Público | 21–28 Sep 2007 | 3,067 | 48.4 | 34.2 | 17.4 | +14.2 |
| Opina/Cadena SER | 26 Sep 2007 | ? | 49.0 | 44.0 | 7.0 | +5.0 |
| Opina/Cadena SER | 13 Sep 2007 | ? | 50.9 | 42.8 | 6.3 | +8.1 |
| Ipsos–Eco/Expansión | 7–10 Sep 2007 | ? | 47.0 | 49.0 | 4.0 | −2.0 |
| Opina/Cadena SER | 29 Aug 2007 | 1,000 | 48.7 | 44.7 | 6.6 | +4.0 |
| Ipsos–Eco/Expansión | 14 Jul 2007 | ? | 54.0 | 42.0 | 4.0 | +12.0 |
| Noxa/La Vanguardia | 6–8 Jul 2007 | 1,000 | 47.0 | 40.0 | 13.0 | +7.0 |
| Ipsos–Eco/Expansión | 13–15 Apr 2007 | ? | 52.0 | 43.0 | 5.0 | +9.0 |
| Ipsos–Eco/Expansión | 9–11 Mar 2007 | ? | 47.0 | 48.0 | 5.0 | −1.0 |
| Opina/Cadena SER | 7 Mar 2007 | 1,000 | 44.6 | 47.3 | 8.1 | −2.7 |
| Opina/Cadena SER | 23 Feb 2007 | 1,000 | 50.4 | 42.9 | 6.7 | +7.5 |
| Ipsos–Eco/Expansión | 9–11 Feb 2007 | ? | 51.0 | 44.0 | 5.0 | +7.0 |
| Opina/Cadena SER | 7 Feb 2007 | ? | 50.7 | 40.7 | 8.6 | +10.0 |
| Ipsos–Eco/Expansión | 5 Feb 2007 | ? | 52.0 | 45.0 | 3.0 | +7.0 |
| Noxa/La Vanguardia | 15–18 Jan 2007 | 1,000 | 45.0 | 43.0 | 12.0 | +2.0 |
| Opina/Cadena SER | 17 Jan 2007 | ? | 51.6 | 41.1 | 7.3 | +10.5 |
| Metra Seis/Colpisa | 7–15 Jan 2007 | 2,000 | 38.0 | 49.0 | 13.0 | −11.0 |
| Opina/Cadena SER | 4 Jan 2007 | 1,000 | 49.7 | 42.5 | 7.8 | +7.2 |
| Opina/Cadena SER | 12 Dec 2006 | ? | 54.4 | 38.3 | 7.3 | +16.1 |
| Opina/Cadena SER | 16 Nov 2006 | 1,000 | 49.8 | 41.3 | 8.9 | +8.5 |
| Opina/Cadena SER | 2 Nov 2006 | 1,000 | 49.1 | 43.2 | 7.7 | +5.9 |
| Opina/Cadena SER | 28 Sep 2006 | ? | 51.8 | 40.7 | 7.5 | +11.1 |
| Opina/Cadena SER | 13 Sep 2006 | ? | 51.4 | 41.9 | 6.7 | +9.5 |
| Noxa/La Vanguardia | 10–13 Jul 2006 | 1,000 | 47.0 | 44.0 | 9.0 | +3.0 |
| Opina/Cadena SER | 20 Apr 2006 | 1,000 | 56.0 | 37.0 | 7.0 | +19.0 |
| Opina/Cadena SER | 30 Mar 2006 | 1,000 | 57.2 | 34.8 | 8.0 | +22.4 |
| Opina/Cadena SER | 23 Mar 2006 | ? | 58.0 | 34.9 | 7.1 | +23.1 |
| Opina/Cadena SER | 15–16 Mar 2006 | 1,000 | 50.3 | 41.7 | 8.0 | +8.6 |
| Opina/Cadena SER | 2 Mar 2006 | 1,000 | 51.1 | 41.4 | 7.5 | +9.7 |
| Opina/Cadena SER | 16 Feb 2006 | 1,000 | 49.8 | 43.9 | 6.3 | +5.9 |
| Opina/Cadena SER | 2 Feb 2006 | 1,000 | 49.9 | 42.7 | 7.4 | +7.2 |
| Noxa/La Vanguardia | 30 Jan–2 Feb 2006 | 1,000 | 43.0 | 48.0 | 9.0 | −5.0 |
| Opina/Cadena SER | 21 Jan 2006 | ? | 49.9 | 43.4 | 6.7 | +6.5 |
| Opina/Cadena SER | 3 Jan 2006 | 1,000 | 49.0 | 42.0 | 9.0 | +7.0 |
| Opina/Cadena SER | 7 Dec 2005 | ? | 50.5 | 41.5 | 8.0 | +9.0 |
| Opina/Cadena SER | 17 Nov 2005 | 1,000 | 47.3 | 44.6 | 8.1 | +2.7 |
| Noxa/La Vanguardia | 7–11 Nov 2005 | 1,200 | 41.0 | 48.0 | 11.0 | −6.0 |
| Opina/Cadena SER | 3 Nov 2005 | 1,000 | 47.1 | 43.7 | 9.2 | +3.4 |
| Opina/Cadena SER | 14 Oct 2005 | 1,000 | 50.7 | 42.2 | 7.1 | +8.5 |
| Opina/Cadena SER | 1 Oct 2005 | 1,000 | 50.8 | 40.3 | 8.9 | +10.5 |
| Opina/Cadena SER | 15 Sep 2005 | 1,000 | 53.2 | 37.5 | 9.3 | +15.7 |
| Opina/Cadena SER | 1 Sep 2005 | ? | 59.8 | 32.3 | 7.9 | +27.5 |
| Noxa/La Vanguardia | 4–7 Jul 2005 | 1,000 | 49.0 | 39.0 | 12.0 | +10.0 |
| Opina/Cadena SER | 29 Jun 2005 | 1,000 | 55.4 | 35.3 | 9.3 | +20.1 |
| Opina/Cadena SER | 19 May 2005 | ? | 57.4 | 33.6 | 9.0 | +23.8 |
| Opina/Cadena SER | 12 May 2005 | 1,000 | 55.3 | 35.2 | 9.5 | +20.1 |
| Opina/Cadena SER | 21 Apr 2005 | 1,000 | 54.9 | 35.3 | 9.8 | +19.6 |
| Opina/Cadena SER | 9 Mar 2005 | 1,000 | 58.2 | 32.3 | 9.5 | +25.9 |
| Opina/Cadena SER | 23 Feb 2005 | 1,000 | 58.1 | 31.3 | 10.6 | +26.8 |
| Noxa/La Vanguardia | 7–10 Feb 2005 | 1,000 | 55.0 | 31.0 | 14.0 | +24.0 |
| Opina/Cadena SER | 2 Feb 2005 | 1,000 | 63.0 | 28.2 | 8.8 | +34.8 |
| Opina/Cadena SER | 19 Jan 2005 | ? | 60.2 | 28.4 | 11.4 | +31.8 |
| Opina/Cadena SER | 4 Jan 2005 | 1,350 | 56.3 | 32.1 | 11.7 | +24.2 |
| Opina/Cadena SER | 14 Dec 2004 | ? | 56.2 | 32.7 | 11.1 | +23.5 |
| Opina/Cadena SER | 18 Nov 2004 | ? | 57.6 | 32.0 | 10.4 | +25.6 |
| Opina/Cadena SER | 4 Nov 2004 | 1,000 | 56.3 | 32.3 | 11.4 | +24.0 |
| Opina/Cadena SER | 21 Oct 2004 | 1,000 | 59.1 | 28.1 | 12.8 | +31.0 |
| Opina/Cadena SER | 7 Oct 2004 | 1,000 | 58.3 | 29.2 | 12.5 | +29.1 |
| Gallup | 1–21 Sep 2004 | 2,001 | 49.0 | 28.0 | 23.0 | +21.0 |
| Opina/Cadena SER | 16 Sep 2004 | ? | 59.5 | 26.6 | 13.9 | +32.9 |
| Opina/Cadena SER | 2 Sep 2004 | ? | 59.0 | 25.3 | 15.7 | +33.7 |
| Gallup | 1–26 Aug 2004 | 2,019 | 49.0 | 28.0 | 23.0 | +21.0 |
| Celeste-Tel/La Razón | 12–21 Jul 2004 | 601 | 50.9 | ? | ? | +? |
| Gallup | 1–21 Jul 2004 | 2,019 | 55.0 | 26.0 | 19.0 | +29.0 |
| Gallup | 2–23 Jun 2004 | 2,024 | 52.0 | 25.0 | 23.0 | +27.0 |
| Opina/Cadena SER | 17 Jun 2004 | 1,000 | 62.5 | 24.1 | 13.4 | +38.4 |
| Gallup | 3–21 May 2004 | 2,021 | 60.0 | 19.0 | 21.0 | +41.0 |
| Opina/Cadena SER | 13 May 2004 | 1,000 | 65.5 | 16.4 | 18.1 | +49.1 |
| Gallup | 1–21 Apr 2004 | 2,019 | 45.0 | 29.0 | 26.0 | +16.0 |
| Opina/El País | 30 Mar 2004 | 1,000 | 58.4 | 13.4 | 28.2 | +45.0 |