2005 Norwegian parliamentary election|
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|  | First party | Second party | Third party |  
|  |  |  |  |  
| Leader | Jens Stoltenberg | Carl I. Hagen | Erna Solberg |  
| Party | Labour | Progress | Conservative |  
| Last election | 24.29%, 43 seats | 14.64%, 26 seats | 21.21%, 38 seats |  
| Seats won | 61 | 38 | 23 |  
| Seat change | 18 | 12 | 15 |  
| Popular vote | 862,757 | 582,284 | 372,008 |  
| Percentage | 32.69% | 22.06% | 14.10% |  
| Swing | 8.40 pp | 7.42 pp | 7.11 pp |  
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|  | Fourth party | Fifth party | Sixth party |  
|  |  |  |  |  
| Leader | Kristin Halvorsen | Dagfinn Høybråten | Åslaug Haga |  
| Party | Socialist Left | Christian Democratic | Centre |  
| Last election | 12.55%, 23 seats | 12.41%, 22 seats | 5.56%, 10 seats |  
| Seats won | 15 | 11 | 11 |  
| Seat change | 8 | 11 | 1 |  
| Popular vote | 232,971 | 178,885 | 171,063 |  
| Percentage | 8.83% | 6.78% | 6.48% |  
| Swing | 3.72 pp | 5.63 pp | 0.92 pp |  
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|  | Seventh party |  |  
|  |  |  |  
| Leader | Lars Sponheim |  |  
| Party | Liberal |  |  
| Last election | 3.91%, 2 seats |  |  
| Seats won | 10 |  |  
| Seat change | 8 |  |  
| Popular vote | 156,113 |  |  
| Percentage | 5.92% |  |  
| Swing | 2.01 pp |  |  | 
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 Results by county | 
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Parliamentary elections were held in Norway on 11 and 12 September 2005. The result was a victory for the opposition centre-left Red-Green Coalition, which received 48.0% of the votes and won 87 out of 169 seats, dominated by the Labour Party's 61 seats. The three-party centre-right government coalition won 44 seats and the right wing Progress Party won 38, becoming the largest opposition party. Voter turnout was 77.1%, an increase of 2 percentage points compared to the 2001 elections.