Opinion polling for the 2006 Portuguese presidential election

In the run up to the 2006 Portuguese presidential election, various organisations carried out opinion polling to gauge voting intention in Portugal. Results of such polls are displayed in this article.

Poll results are listed in the table below in reverse chronological order, showing the most recent first. The highest percentage figure in each polling survey is displayed in bold, and the background shaded in the leading candidate colour. In the instance that there is a tie, then no figure is shaded but both are displayed in bold. Poll results use the date the survey's fieldwork was done, as opposed to the date of publication.

Candidates vote

First round

Graphical summary

Polling

  Exit poll

Date(s)
administered 		Poll source Sample size Others Lead
Silva
PSD, CDS-PP 		Soares
PS 		Alegre
Ind. 		Jerónimo
PCP 		Louçã
BE 		Pereira
PCTP
22 January 2006 Election results — 50.5 14.3 20.7 8.6 5.3 0.4
—
 29.8 over Alegre
22 Jan UCP–CESOP ? 49.0–54.0 11.0–14.0 20.0–23.0 8.0–10.0 4.0–6.0 0.0–1.0
—
 30.0 over Alegre
22 Jan Eurosondagem ? 50.4–54.6 12.5–16.3 17.7–21.5 6.4–8.6 4.1–6.3 0.5–1.1
—
 32.9 over Alegre
22 Jan Intercampus ? 50.0–54.8 11.0–15.0 18.4–22.4 7.0–10.0 3.4–6.4 0.3–1.5
—
 32.0 over Alegre
15–18 Jan Marktest 1,416 53.0 12.4 20.6 7.0 6.5 0.5
—
 32.4 over Alegre
15–18 Jan Eurosondagem 3,058 53.0 16.9 16.2 7.2 5.8 0.9
—
 36.1 over Soares
15–18 Jan Aximage 1,003 52.5 15.4 19.5 6.5 5.5 0.8
—
 33.0 over Alegre
14–15 Jan UCP-CESOP 1,003 52.0 15.0 19.0 7.0 6.0 1.0
—
 33.0 over Alegre
12–15 Jan Marktest 812 54.6 13.1 18.4 6.6 6.4 0.8 36.2 over Alegre
9–11 Jan Marktest 608 56.8 12.8 15.6 7.8 6.5 0.4 41.2 over Alegre
9–11 Jan Pitagórica 605 54.7 12.4 15.9 8.7 7.1 1.3
—
 38.8 over Alegre
9–11 Jan Intercampus 1,010 52.4 17.0 17.4 6.9 5.8 0.4
—
 35.0 over Alegre
4–7 Jan Marktest 608 61.0 14.3 11.5 6.9 6.1 0.3 46.7 over Soares
3–5 Jan Aximage 570 61.0 15.0 11.0 4.0 7.0 1.0 46.0 over Soares
3–4 Jan UCP-CESOP 815 60.0 13.0 16.0 7.0 4.0 0.0 44.0 over Alegre
2006
11–14 Dec Eurosondagem 2,069 55.5 20.4 12.5 5.7 4.8 1.1 35.1 over Soares
30 Nov–2 Dec Aximage 560 58.0 17.0 14.0 6.0 5.0 0.0 41.0 over Soares
25 Nov–1 Dec GEMEO/IPAM 600 63.0 15.0 16.0 3.0 3.0 0.0 47.0 over Alegre
20–24 Nov Intercampus 1,001 57.0 15.0 17.0 6.0 5.0 0.0 40.0 over Alegre
21–22 Nov UCP-CESOP 805 57.0 16.0 17.0 5.0 4.0 1.0 40.0 over Alegre
15–19 Nov Marktest 801 56.0 13.0 19.0 6.0 6.0 0.0 37.0 over Alegre
7–8 Nov Aximage 544 58.0 12.0 19.0 6.0 4.0 1.0 39.0 over Alegre
3–8 Nov Eurosondagem 1,577 52.6 18.0 16.9 5.6 6.2 0.6 34.6 over Soares
18–21 Oct Marktest 805 58.0 12.0 16.0 5.0 6.0 2.0 42.0 over Alegre
17–19 Oct Aximage 582 62.0 11.0 17.0 4.0 3.0 2.0 45.0 over Alegre
3–6 Oct Intercampus[a] 1,004 52.6 18.1 18.9 4.2 6.2 0.0 33.7 over Alegre
9 Sep UCP-CESOP — 49.0 32.0
—
 7.0 11.0 1.0 17.0 over Soares
5–6 Sep Aximage 600 53.4 36.2
—
—
—
 10.4 17.2 over Soares
2005

Notes

  1. ^ Results presented here exclude undecideds (12.7%). With their inclusion results are: Cavaco Silva: 45.9%; Manuel Alegre: 16.5%; Mário Soares: 15.8%; Francisco Louçã: 5.4%; Jerónimo de Sousa: 3.7%.