European Parliament election, 2009 (Portugal) Opinion Polling and preliminary exit polls 12 seats needed for a majority

| Date_Released | Institute | Socialist | Social_Democratic | Green_Communist | Left_Bloc | People_s_Party | Lead_ |
|---|---|---|---|---|---|---|---|
| 29 May 2009 | Eurosondagem | 35.5% | 32.5% | 9.2% | 8.8% | 6.5% | 3.0% |
| 22 May 2009 | Eurosondagem | 34.3% | 32.1% | 8.9% | 10.1% | 6.9% | 2.2% |
| 9 May 2009 | Marktest | 33.1% | 32.9% | 7.6% | 8.4% | 4.5% | 0.2% |
| 1 May 2009 | Universidade Católica | 39.0% | 36.0% | 7.0% | 12.0% | 2.0% | 3.0% |
| 24 April 2009 | INTERCAMPUS | 34.0% | 33.5% | 7.9% | 18.0% | 6.9% | 0.5% |
| 13 June 2004 | Election Results | 44.5% 12 seats | 33.3% 7 seats | 9.1% 2 seats | 4.9% 1 seats | —* 2 seats | 11.2% |
| *In coalition with Social Democratic Party. | *In coalition with Social Democratic Party. | *In coalition with Social Democratic Party. | *In coalition with Social Democratic Party. | *In coalition with Social Democratic Party. | *In coalition with Social Democratic Party. | *In coalition with Social Democratic Party. | *In coalition with Social Democratic Party. |