VotePredictor
past elections

Arizona President

John Kerry (D) vs George W. Bush (R)

Actual result
R+10.5
Final polls said
R+8.6
5 late polls · ✓
Model predicted
R+11.3
Winner
Rep

"Final polls said" averages polls from the last ~3 weeks — the call right before the vote, and how pollsters are rated. The model's prediction is walk-forward (trained only on earlier races).

Final rankings

How everyone who called this race did, ranked — VotePredictor shown inline (★).

Pollsters — each pollster's final poll vs the result

#PollsterFinal callMissCalled
1Mason-Dixon Polling & StrategyR+11.00.5
2VotePredictorR+11.30.8
3Market Solutions GroupR+7.03.5
4American Research GroupR+6.04.5
5SurveyUSAR+15.04.5
6Scott Rasmussen (Rasmussen Reports)R+5.05.5
7Arizona State University Morrison Institute for Public PolicyR+5.05.5
8Northern Arizona University Social Research LaboratoryR+5.05.5

Polls (13)

PollsterDatenPollMiss
SurveyUSA2004-10-29599R+15.05
Scott Rasmussen (Rasmussen Reports)2004-10-26500R+5.05
Arizona State University Morrison Institute for Public Policy2004-10-20573R+5.05
SurveyUSA2004-10-18616R+11.01
Market Solutions Group2004-10-18600R+7.03
Northern Arizona University Social Research Laboratory2004-10-10401R+5.05
SurveyUSA2004-10-06599R+14.04
Market Solutions Group2004-10-03602R+10.00
Arizona State University Morrison Institute for Public Policy2004-09-25575R+10.00
SurveyUSA2004-09-22631R+11.01
American Research Group2004-09-13600R+6.04
Mason-Dixon Polling & Strategy2004-09-13625R+11.01
Market Solutions Group2004-09-04600R+16.06