Opinion polling for the Norwegian parliamentary election, 2009 Average polling By week

| Party | Week_32 | Week_33 | Week_34 | Week_35 | Week_36 | Week_37 |
|---|---|---|---|---|---|---|
| Labour | 32.7% | 31.9% | 32.1% | 33.0% | 32.0% | 33.4% |
| Progress | 26.2% | 26.4% | 26.5% | 23.7% | 23.7% | 23.0% |
| Conservative | 13.2% | 14.3% | 13.6% | 14.8% | 14.9% | 16.1% |
| Socialist Left | 7.2% | 7.1% | 7.3% | 8.5% | 7.5% | 7.0% |
| Christian Democratic | 6.4% | 6.1% | 6.0% | 5.9% | 6.5% | 6.7% |
| Centre | 6.5% | 5.9% | 5.8% | 5.8% | 6.5% | 5.8% |
| Liberal | 4.9% | 5.2% | 5.7% | 4.9% | 5.6% | 5.2% |