# Leadership opinion polling for the 2004 Spanish general election

In the run up to the 2004 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 12 March 2000, to the day the next election was held, on 14 March 2004.

## Preferred prime minister

The tables below list opinion polling on leader preferences to become prime minister.

### Rajoy vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Rajoy PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 7 Mar 2004 | ? | 35.8 | 40.7 | 8.6 | 14.8 | 4.9 |
| Opina/Cadena SER | 6 Mar 2004 | ? | 35.8 | 39.4 | 8.7 | 16.1 | 3.6 |
| Opina/Cadena SER | 5 Mar 2004 | ? | 35.8 | 39.1 | 8.5 | 16.6 | 3.3 |
| Opina/Cadena SER | 4 Mar 2004 | ? | 36.6 | 38.1 | 8.5 | 16.7 | 1.5 |
| Opina/Cadena SER | 3 Mar 2004 | ? | 36.9 | 37.9 | 8.5 | 16.6 | 1.0 |
| Vox Pública/El Periódico | 1–3 Mar 2004 | 2,071 | 40.6 | 42.6 | – | – | 2.0 |
| Noxa/La Vanguardia | 27 Feb–3 Mar 2004 | 2,200 | 41.0 | 50.0 | – | 9.0 | 9.0 |
| Opina/Cadena SER | 2 Mar 2004 | ? | 36.6 | 38.0 | 8.9 | 16.4 | 1.4 |
| Opina/Cadena SER | 1 Mar 2004 | ? | 36.1 | 38.2 | 9.7 | 16.0 | 2.1 |
| Opina/El País | 27 Feb–1 Mar 2004 | 4,000 | 33.8 | 37.6 | 4.4 | 24.2 | 3.8 |
| Opina/Cadena SER | 29 Feb 2004 | ? | 37.0 | 37.3 | 10.6 | 15.1 | 0.3 |
| Opina/Cadena SER | 28 Feb 2004 | ? | 37.2 | 36.4 | 11.1 | 15.4 | 0.8 |
| Opina/Cadena SER | 27 Feb 2004 | ? | 37.5 | 35.9 | 10.3 | 16.2 | 1.6 |
| Opina/Cadena SER | 26 Feb 2004 | 3,000 | 36.9 | 37.1 | 9.1 | 16.9 | 0.2 |
| CIS | 24 Jan–15 Feb 2004 | 24,109 | 33.0 | 34.1 | 7.7 | 25.2 | 1.1 |
| Noxa/La Vanguardia | 6–12 Feb 2004 | 1,800 | 41.0 | 49.0 | – | 10.0 | 8.0 |
| Opina/Cadena SER | 11 Feb 2004 | ? | 36.8 | 38.5 | 8.3 | 16.4 | 1.7 |
| Opina/Cadena SER | 31 Jan 2004 | ? | 38.2 | 37.0 | 5.9 | 18.9 | 1.2 |
| Opina/El País | 25 Jan 2004 | 3,000 | 37.3 | 35.6 | 6.0 | 21.1 | 1.7 |
| Vox Pública/El Periódico | 19–21 Jan 2004 | 1,501 | 39.4 | 42.0 | – | – | 2.6 |
| Opina/Cadena SER | 16 Jan 2004 | 1,000 | 39.3 | 36.7 | 8.7 | 15.3 | 2.6 |
| Noxa/La Vanguardia | 7–9 Jan 2004 | 1,000 | 47.0 | 42.0 | – | 11.0 | 5.0 |
| Opina/Cadena SER | 2 Jan 2004 | ? | 38.5 | 38.6 | 4.6 | 18.3 | 0.1 |
| Opina/Cadena SER | 19 Nov 2003 | ? | 38.2 | 37.1 | 4.9 | 19.8 | 1.1 |
| Opina/Cadena SER | 24 Sep 2003 | ? | 36.5 | 36.9 | 5.9 | 20.7 | 0.4 |
| Vox Pública/El Periódico | 22–24 Sep 2003 | 1,502 | 43.1 | 38.2 | – | – | 4.9 |
| Opina/Cadena SER | 10 Sep 2003 | ? | 38.8 | 36.8 | 3.9 | 20.5 | 2.0 |
| Opina/El País | 7 Sep 2003 | 1,000 | 39.1 | 36.8 | 3.7 | 20.4 | 2.3 |
| Vox Pública/El Periódico | 23–25 Jun 2003 | 1,502 | 35.9 | 50.2 | – | – | 14.3 |
| Noxa/La Vanguardia | 22–24 Apr 2003 | 1,000 | 38.0 | 53.0 | – | 9.0 | 15.0 |
| Vox Pública/El Periódico | 31 Mar–2 Apr 2003 | 1,503 | 28.3 | 57.9 | – | – | 29.6 |
| Opina/El País | 25–26 Mar 2003 | 1,000 | 25.0 | 40.5 | 2.8 | 31.7 | 15.5 |
| Opina/El País | 3 Feb 2003 | 1,000 | 24.6 | 37.3 | 1.6 | 36.5 | 12.7 |
| Vox Pública/El Periódico | 13–16 Jan 2003 | 1,501 | 32.7 | 50.2 | – | – | 17.5 |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 29.1 | 41.8 | 1.2 | 27.9 | 12.7 |
| Opina/El País | 23–24 Nov 2002 | 1,000 | 28.7 | 39.8 | 0.8 | 30.7 | 11.1 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 34.4 | 41.6 | 0.6 | 23.4 | 7.2 |
| Vox Pública/El Periódico | 7–9 Oct 2002 | 1,507 | 31.2 | 51.0 | – | – | 19.8 |
| Opina/El País | 29 Sep 2002 | ? | 30.8 | 42.0 | 1.8 | 25.4 | 11.2 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 28.6 | 40.2 | 1.8 | 29.5 | 11.6 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 27.0 | 36.7 | 3.8 | 32.5 | 9.7 |
| Vox Pública/El Periódico | 24–26 Jun 2002 | 1,504 | 31.3 | 48.5 | – | – | 17.2 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 30.1 | 34.0 | 2.0 | 33.9 | 3.9 |
| Vox Pública/El Periódico | 15–17 Apr 2002 | 1,510 | 29.4 | 48.6 | – | – | 19.2 |
| Vox Pública/El Periódico | 4–5 Feb 2002 | 1,506 | 31.6 | 51.1 | – | – | 19.5 |
| Vox Pública/El Periódico | 22–23 Oct 2001 | 1,509 | 29.9 | 48.4 | – | – | 18.5 |
| Vox Pública/El Periódico | 25–28 Jun 2001 | 1,506 | 25.4 | 51.9 | – | – | 26.5 |
| Vox Pública/El Periódico | 16–18 Apr 2001 | 1,514 | 28.4 | 45.5 | – | – | 17.1 |
| Vox Pública/El Periódico | 29–31 Jan 2001 | 1,519 | 25.0 | 49.6 | – | – | 24.6 |
| Vox Pública/El Periódico | 30–31 Oct 2000 | 1,210 | 27.8 | 44.7 | – | – | 16.9 |

### Mayor Oreja vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Mayor Oreja PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Vox Pública/El Periódico | 23–25 Jun 2003 | 1,502 | 38.4 | 48.2 | – | – | 9.8 |
| Vox Pública/El Periódico | 31 Mar–2 Apr 2003 | 1,503 | 32.3 | 54.9 | – | – | 22.6 |
| Opina/El País | 25–26 Mar 2003 | 1,000 | 26.7 | 39.8 | 2.7 | 30.8 | 13.1 |
| Opina/El País | 3 Feb 2003 | 1,000 | 29.4 | 36.1 | 1.8 | 32.7 | 6.7 |
| Vox Pública/El Periódico | 13–16 Jan 2003 | 1,501 | 37.2 | 46.2 | – | – | 9.0 |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 29.5 | 42.7 | 1.6 | 26.2 | 13.2 |
| Opina/El País | 23–24 Nov 2002 | 1,000 | 29.8 | 40.1 | 0.8 | 29.3 | 10.3 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 35.7 | 40.5 | 0.5 | 23.3 | 4.8 |
| Vox Pública/El Periódico | 7–9 Oct 2002 | 1,507 | 37.2 | 45.9 | – | – | 8.7 |
| Opina/El País | 29 Sep 2002 | ? | 33.9 | 40.1 | 1.7 | 24.3 | 6.2 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 28.9 | 39.8 | 2.0 | 29.3 | 10.9 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 30.2 | 35.9 | 2.9 | 31.0 | 5.7 |
| Vox Pública/El Periódico | 24–26 Jun 2002 | 1,504 | 38.4 | 43.7 | – | – | 5.3 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 31.4 | 33.9 | 1.9 | 32.8 | 2.5 |
| Vox Pública/El Periódico | 15–17 Apr 2002 | 1,510 | 36.8 | 43.2 | – | – | 6.4 |
| Vox Pública/El Periódico | 4–5 Feb 2002 | 1,506 | 38.6 | 44.5 | – | – | 5.9 |

### Rato vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Rato PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Vox Pública/El Periódico | 23–25 Jun 2003 | 1,502 | 35.4 | 49.8 | – | – | 14.4 |
| Noxa/La Vanguardia | 22–24 Apr 2003 | 1,000 | 38.0 | 55.0 | – | 7.0 | 17.0 |
| Vox Pública/El Periódico | 31 Mar–2 Apr 2003 | 1,503 | 29.1 | 58.0 | – | – | 28.9 |
| Opina/El País | 25–26 Mar 2003 | 1,000 | 24.6 | 40.0 | 2.9 | 32.5 | 15.4 |
| Opina/El País | 3 Feb 2003 | 1,000 | 26.1 | 36.0 | 2.1 | 35.8 | 9.9 |
| Vox Pública/El Periódico | 13–16 Jan 2003 | 1,501 | 32.3 | 49.8 | – | – | 17.5 |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 28.9 | 42.4 | 1.8 | 26.9 | 13.5 |
| Opina/El País | 23–24 Nov 2002 | 1,000 | 27.8 | 40.0 | 0.8 | 31.4 | 12.2 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 32.9 | 42.6 | 0.5 | 24.0 | 9.7 |
| Vox Pública/El Periódico | 7–9 Oct 2002 | 1,507 | 32.2 | 49.8 | – | – | 17.6 |
| Opina/El País | 29 Sep 2002 | ? | 30.4 | 42.5 | 1.6 | 25.5 | 12.1 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 27.0 | 41.2 | 1.9 | 29.9 | 14.2 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 26.8 | 36.8 | 3.9 | 32.5 | 10.0 |
| Vox Pública/El Periódico | 24–26 Jun 2002 | 1,504 | 31.4 | 48.9 | – | – | 17.5 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 28.9 | 34.3 | 2.5 | 34.3 | 5.4 |
| Vox Pública/El Periódico | 15–17 Apr 2002 | 1,510 | 31.1 | 48.1 | – | – | 17.0 |
| Vox Pública/El Periódico | 4–5 Feb 2002 | 1,506 | 32.3 | 49.7 | – | – | 17.4 |
| Vox Pública/El Periódico | 22–23 Oct 2001 | 1,509 | 30.6 | 48.5 | – | – | 17.9 |
| Vox Pública/El Periódico | 25–28 Jun 2001 | 1,506 | 30.9 | 48.2 | – | – | 17.3 |
| Vox Pública/El Periódico | 16–18 Apr 2001 | 1,514 | 31.0 | 43.6 | – | – | 12.6 |
| Vox Pública/El Periódico | 29–31 Jan 2001 | 1,519 | 30.9 | 46.3 | – | – | 15.4 |
| Vox Pública/El Periódico | 30–31 Oct 2000 | 1,210 | 35.6 | 39.1 | – | – | 3.5 |

### Gallardón vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Ruiz- Gallardón PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 28.4 | 42.6 | 1.4 | 27.6 | 14.2 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 32.2 | 43.8 | 0.6 | 23.4 | 11.6 |
| Opina/El País | 29 Sep 2002 | ? | 30.7 | 41.3 | 1.6 | 26.3 | 10.6 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 25.0 | 39.6 | 2.4 | 33.0 | 14.6 |

### Acebes vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Acebes PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 26.9 | 42.8 | 1.7 | 28.6 | 15.9 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 30.0 | 44.6 | 0.4 | 25.0 | 14.6 |
| Opina/El País | 29 Sep 2002 | ? | 26.4 | 44.1 | 1.7 | 27.8 | 17.7 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 21.8 | 42.5 | 2.2 | 33.5 | 20.7 |

### Aznar vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Aznar PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 10 Sep 2003 | ? | 39.1 | 35.9 | 4.6 | 20.4 | 3.2 |
| Opina/Cadena SER | 2 Sep 2003 | ? | 38.5 | 38.1 | 5.7 | 17.7 | 0.4 |
| Opina/Cadena SER | 27 Aug 2003 | ? | 36.2 | 40.0 | 6.0 | 17.8 | 3.8 |
| Vox Pública/El Periódico | 23–25 Jun 2003 | 1,502 | 39.3 | 43.7 | – | – | 4.4 |
| Opina/Cadena SER | 11 Jun 2003 | ? | 37.4 | 40.8 | 5.2 | 16.6 | 3.4 |
| Opina/Cadena SER | 28 May 2003 | ? | 36.8 | 42.4 | 2.9 | 17.9 | 5.6 |
| Opina/Cadena SER | 15 May 2003 | ? | 35.1 | 39.7 | 4.2 | 21.0 | 4.6 |
| Opina/Cadena SER | 23 Apr 2003 | ? | 29.5 | 41.9 | 3.6 | 25.0 | 12.4 |
| Opina/Cadena SER | 2 Apr 2003 | ? | 26.9 | 49.8 | 4.0 | 19.3 | 22.9 |
| Vox Pública/El Periódico | 31 Mar–2 Apr 2003 | 1,503 | 28.7 | 54.0 | – | – | 25.3 |
| Opina/Cadena SER | 21 Mar 2003 | ? | 26.6 | 43.5 | 4.4 | 25.5 | 16.9 |
| Opina/Cadena SER | 8 Mar 2003 | ? | 26.0 | 47.6 | 4.2 | 22.2 | 21.6 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 32.6 | 38.3 | 4.6 | 24.5 | 5.7 |
| Opina/Cadena SER | 21 Jun 2002 | ? | 29.5 | 35.3 | 6.6 | 28.6 | 5.8 |
| Opina/Cadena SER | 5 Jun 2002 | 1,000 | 33.1 | 33.4 | 3.0 | 30.5 | 0.3 |
| Opina/Cadena SER | 22 May 2002 | 1,000 | 29.8 | 39.3 | 2.8 | 28.1 | 9.5 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 36.1 | 35.3 | 3.1 | 25.5 | 0.8 |
| Opina/Cadena SER | 24 Apr 2002 | 1,000 | 35.2 | 34.5 | 4.4 | 28.9 | 0.7 |
| Vox Pública/El Periódico | 22–23 Oct 2001 | 1,509 | 40.3 | 41.4 | – | – | 1.1 |
| Vox Pública/El Periódico | 25–28 Jun 2001 | 1,506 | 38.1 | 43.3 | – | – | 5.2 |
| Opina/Cadena SER | 15 May 2001 | 1,000 | 36.4 | 33.5 | 7.7 | 22.4 | 2.9 |
| Opina/Cadena SER | 24 Apr 2001 | 1,000 | 32.1 | 34.1 | 5.4 | 28.4 | 2.0 |
| Vox Pública/El Periódico | 16–18 Apr 2001 | 1,514 | 37.6 | 40.3 | – | – | 2.7 |
| Opina/Cadena SER | 11 Apr 2001 | ? | 32.2 | 34.9 | 4.1 | 28.8 | 2.7 |
| Opina/Cadena SER | 4 Apr 2001 | ? | 31.9 | 35.9 | 5.0 | 27.1 | 4.0 |
| Opina/Cadena SER | 7 Mar 2001 | ? | 34.6 | 36.4 | 3.5 | 25.5 | 2.2 |
| Opina/Cadena SER | 21 Feb 2001 | 1,000 | 31.9 | 37.5 | 4.6 | 26.0 | 5.6 |
| Opina/Cadena SER | 7 Feb 2001 | ? | 31.9 | 34.0 | 6.3 | 27.8 | 2.1 |
| Vox Pública/El Periódico | 29–31 Jan 2001 | 1,519 | 37.7 | 42.7 | – | – | 5.0 |
| Opina/Cadena SER | 24 Jan 2001 | ? | 30.5 | 34.3 | 5.8 | 29.4 | 3.8 |
| Opina/Cadena SER | 10 Jan 2001 | ? | 30.5 | 37.3 | 5.0 | 27.2 | 6.8 |
| Vox Pública/El Periódico | 30–31 Oct 2000 | 1,210 | 40.6 | 38.6 | – | – | 2.0 |

## Predicted prime minister

The tables below list opinion polling on the perceived likelihood for each leader to become prime minister.

### Rajoy vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Rajoy PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 7 Mar 2004 | ? | 68.2 | 13.0 | 0.7 | 18.0 | 55.2 |
| Opina/Cadena SER | 6 Mar 2004 | ? | 67.9 | 13.2 | 0.9 | 18.0 | 54.7 |
| Opina/Cadena SER | 5 Mar 2004 | ? | 66.0 | 13.3 | 1.0 | 19.8 | 52.7 |
| Opina/Cadena SER | 4 Mar 2004 | ? | 66.4 | 13.1 | 1.0 | 19.4 | 53.3 |
| Opina/Cadena SER | 3 Mar 2004 | ? | 65.2 | 12.6 | 1.0 | 21.2 | 52.6 |
| Vox Pública/El Periódico | 1–3 Mar 2004 | 2,071 | 68.8 | 11.8 | – | – | 57.0 |
| Noxa/La Vanguardia | 27 Feb–3 Mar 2004 | 2,200 | 72.0 | 18.0 | – | 10.0 | 54.0 |
| Opina/Cadena SER | 2 Mar 2004 | ? | 65.2 | 12.4 | 0.9 | 21.4 | 52.8 |
| Opina/Cadena SER | 1 Mar 2004 | ? | 64.4 | 12.7 | 1.1 | 21.8 | 51.7 |
| Opina/El País | 27 Feb–1 Mar 2004 | 4,000 | 65.7 | 11.6 | 0.2 | 22.5 | 54.1 |
| Opina/Cadena SER | 29 Feb 2004 | ? | 64.9 | 13.5 | 1.4 | 20.3 | 51.4 |
| Opina/Cadena SER | 28 Feb 2004 | ? | 65.2 | 13.7 | 1.4 | 19.6 | 51.5 |
| Opina/Cadena SER | 27 Feb 2004 | ? | 65.3 | 13.3 | 1.3 | 20.2 | 52.0 |
| Opina/Cadena SER | 26 Feb 2004 | 3,000 | 65.4 | 13.3 | 0.9 | 20.4 | 52.1 |
| Noxa/La Vanguardia | 6–12 Feb 2004 | 1,800 | 72.0 | 20.0 | – | 8.0 | 52.0 |
| Opina/Cadena SER | 11 Feb 2004 | ? | 67.7 | 13.7 | 0.7 | 17.9 | 54.0 |
| Opina/Cadena SER | 31 Jan 2004 | ? | 69.0 | 13.4 | 0.6 | 17.0 | 55.6 |
| Opina/El País | 25 Jan 2004 | 3,000 | 66.4 | 11.7 | 0.3 | 21.7 | 54.7 |
| Vox Pública/El Periódico | 19–21 Jan 2004 | 1,501 | 68.8 | 16.7 | – | – | 52.1 |
| Opina/Cadena SER | 16 Jan 2004 | 1,000 | 65.7 | 15.2 | 0.7 | 18.4 | 50.5 |
| Noxa/La Vanguardia | 7–9 Jan 2004 | 1,000 | 79.0 | 14.0 | – | 7.0 | 65.0 |
| Opina/Cadena SER | 2 Jan 2004 | ? | 68.6 | 10.5 | 0.7 | 20.2 | 58.1 |
| Opina/Cadena SER | 19 Nov 2003 | ? | 72.9 | 9.7 | 0.5 | 16.9 | 63.2 |
| Opina/Cadena SER | 24 Sep 2003 | ? | 65.8 | 14.6 | 0.3 | 19.3 | 51.2 |
| Opina/Cadena SER | 10 Sep 2003 | ? | 66.1 | 14.4 | 0.4 | 19.1 | 51.7 |
| Opina/El País | 7 Sep 2003 | 1,000 | 59.7 | 17.1 | – | – | 42.6 |
| Opina/El País | 25–26 Mar 2003 | 1,000 | 20.9 | 41.6 | 0.8 | 36.7 | 20.7 |
| Opina/El País | 3 Feb 2003 | 1,000 | 28.5 | 31.7 | 0.9 | 38.9 | 3.2 |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 34.0 | 32.9 | 0.5 | 32.6 | 1.1 |
| Opina/El País | 23–24 Nov 2002 | 1,000 | 31.7 | 32.7 | 0.2 | 35.4 | 1.0 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 41.1 | 30.6 | 0.3 | 28.0 | 10.5 |
| Opina/El País | 29 Sep 2002 | ? | 36.5 | 32.2 | 0.3 | 30.9 | 4.3 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 37.8 | 31.3 | 0.3 | 30.6 | 6.5 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 35.5 | 27.6 | 0.9 | 36.0 | 7.9 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 39.9 | 24.2 | 0.1 | 35.8 | 15.7 |

### Mayor Oreja vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Mayor Oreja PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/El País | 25–26 Mar 2003 | 1,000 | 22.5 | 41.9 | 0.6 | 35.0 | 19.4 |
| Opina/El País | 3 Feb 2003 | 1,000 | 33.7 | 30.3 | 0.9 | 35.1 | 3.4 |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 34.2 | 35.0 | 0.5 | 30.3 | 0.8 |
| Opina/El País | 23–24 Nov 2002 | 1,000 | 34.5 | 30.9 | 0.4 | 34.2 | 3.6 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 43.1 | 29.8 | 0.2 | 26.9 | 13.3 |
| Opina/El País | 29 Sep 2002 | ? | 41.5 | 29.9 | 0.4 | 28.3 | 11.6 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 37.1 | 32.3 | 0.5 | 30.0 | 4.9 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 41.0 | 25.1 | 1.1 | 32.8 | 15.9 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 44.0 | 22.6 | 0.7 | 32.7 | 21.4 |

### Rato vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Rato PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/El País | 25–26 Mar 2003 | 1,000 | 21.3 | 40.5 | 0.6 | 37.6 | 19.2 |
| Opina/El País | 3 Feb 2003 | 1,000 | 29.4 | 30.6 | 1.1 | 38.9 | 1.2 |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 32.9 | 33.9 | 0.6 | 32.6 | 1.0 |
| Opina/El País | 23–24 Nov 2002 | 1,000 | 29.1 | 33.4 | 0.5 | 37.0 | 4.3 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 38.0 | 32.3 | 0.1 | 29.6 | 5.7 |
| Opina/El País | 29 Sep 2002 | ? | 35.6 | 33.1 | 0.4 | 30.9 | 2.5 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 33.4 | 34.3 | 0.5 | 31.7 | 0.9 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 36.2 | 27.4 | 0.7 | 35.7 | 8.8 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 38.7 | 24.9 | 0.2 | 36.2 | 13.8 |

### Gallardón vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Ruiz- Gallardón PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 33.2 | 32.7 | 0.7 | 33.4 | 0.5 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 35.7 | 35.0 | 0.3 | 29.0 | 0.7 |
| Opina/El País | 29 Sep 2002 | ? | 33.5 | 33.4 | 0.3 | 32.8 | 0.1 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 29.2 | 34.7 | 0.7 | 35.3 | 5.5 |

### Acebes vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Acebes PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 4 Dec 2002 | 1,000 | 25.7 | 38.4 | 0.7 | 35.2 | 12.7 |
| Opina/Cadena SER | 9 Oct 2002 | 1,000 | 29.5 | 39.0 | 0.1 | 31.4 | 9.5 |
| Opina/El País | 29 Sep 2002 | ? | 26.4 | 38.8 | 0.4 | 34.5 | 12.4 |
| Opina/Cadena SER | 27 Aug 2002 | 1,000 | 24.9 | 38.0 | 0.5 | 36.6 | 13.1 |

### Aznar vs. Zapatero

| Polling firm/Commissioner | Fieldwork date | Sample size | | | Other/ None/ Not care | ? | Lead |
| Polling firm/Commissioner | Fieldwork date | Sample size | Aznar PP | Rodríguez Zapatero PSOE | Other/ None/ Not care | ? | Lead |
| Opina/Cadena SER | 10 Sep 2003 | ? | 69.1 | 13.3 | 0.4 | 17.2 | 55.8 |
| Opina/Cadena SER | 2 Sep 2003 | ? | 68.5 | 16.8 | 0.3 | 14.4 | 51.7 |
| Opina/Cadena SER | 27 Aug 2003 | ? | 62.4 | 20.8 | 1.2 | 15.6 | 41.6 |
| Opina/Cadena SER | 11 Jun 2003 | ? | 57.8 | 22.7 | 0.7 | 18.8 | 35.1 |
| Opina/Cadena SER | 28 May 2003 | ? | 53.7 | 25.9 | 0.6 | 19.8 | 27.8 |
| Opina/Cadena SER | 15 May 2003 | ? | 44.4 | 31.2 | 0.5 | 23.9 | 13.2 |
| Opina/Cadena SER | 23 Apr 2003 | ? | 33.5 | 43.3 | 0.5 | 22.7 | 9.8 |
| Opina/Cadena SER | 2 Apr 2003 | ? | 24.6 | 54.1 | 0.6 | 20.7 | 29.5 |
| Opina/Cadena SER | 21 Mar 2003 | ? | 26.2 | 47.8 | 0.8 | 25.2 | 21.6 |
| Opina/Cadena SER | 8 Mar 2003 | ? | 37.2 | 38.8 | 0.3 | 23.7 | 1.6 |
| Opina/Cadena SER | 27 Jun 2002 | 1,000 | 61.0 | 18.9 | 0.4 | 19.7 | 42.1 |
| Opina/Cadena SER | 21 Jun 2002 | ? | 57.4 | 20.1 | 0.7 | 21.8 | 37.3 |
| Opina/Cadena SER | 5 Jun 2002 | 1,000 | 65.7 | 11.8 | 0.0 | 22.5 | 53.9 |
| Opina/Cadena SER | 22 May 2002 | 1,000 | 64.7 | 14.9 | 0.4 | 20.0 | 49.8 |
| Opina/Cadena SER | 8 May 2002 | 1,000 | 68.5 | 14.5 | 0.3 | 16.7 | 54.0 |
| Opina/Cadena SER | 24 Apr 2002 | 1,000 | 70.2 | 10.8 | 0.9 | 18.1 | 59.4 |
| Opina/Cadena SER | 15 May 2001 | 1,000 | 67.4 | 11.5 | 1.4 | 19.8 | 55.9 |
| Opina/Cadena SER | 24 Apr 2001 | 1,000 | 62.4 | 12.5 | 0.5 | 24.6 | 49.9 |
| Opina/Cadena SER | 11 Apr 2001 | ? | 58.4 | 14.3 | 0.9 | 26.4 | 44.1 |
| Opina/Cadena SER | 4 Apr 2001 | ? | 58.4 | 16.7 | 0.5 | 24.5 | 41.7 |
| Opina/Cadena SER | 7 Mar 2001 | ? | 66.5 | 14.3 | 0.2 | 19.0 | 52.2 |
| Opina/Cadena SER | 21 Feb 2001 | 1,000 | 60.6 | 15.3 | 0.2 | 23.9 | 45.3 |
| Opina/Cadena SER | 7 Feb 2001 | ? | 55.1 | 17.8 | 0.8 | 26.3 | 37.3 |
| Opina/Cadena SER | 24 Jan 2001 | ? | 57.5 | 17.2 | 0.3 | 25.0 | 40.3 |
| Opina/Cadena SER | 10 Jan 2001 | ? | 52.2 | 18.7 | 0.9 | 28.2 | 33.5 |