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

| Party | Result_Parliam_election_2005 | Result_County_elections_2007 | Aug_2008 | Sep_2008 | Oct_2008 | Nov_2008 | Dec_2008 | Jan_2009 | Feb_2009 | Mar_2009 | Apr_2009 | May_2009 | Jun_2009 | Jul_2009 | Aug_2009 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Liberal | 5.9% | 5.6% | 6.1% | 5.8% | 5.6% | 5.7% | 5.5% | 4.8% | 6.0% | 5.0% | 4.9% | 5.4% | 5.6% | 4.8% | 5.2% |
| Red | 1.2% | 2.1% | 1.7% | 1.6% | 1.4% | 1.6% | 1.6% | 1.6% | 1.5% | 1.2% | 1.3% | 1.5% | 1.5% | 1.6% | 1.6% |