VotePredictor
past elections

Wisconsin President

Barack Obama (D) vs John McCain (R)

Actual result
D+13.9
Final polls said
D+11.3
8 late polls · ✓
Model predicted
D+14.0
Winner
Dem

"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
1VotePredictorD+14.00.1
2FTI ConsultingD+13.00.9
3University of Wisconsin-Milwaukee Institute for Survey and Policy ResearchD+15.01.1
4YouGovD+12.01.9
5Big TenD+12.01.9
6Mason-Dixon Polling & StrategyD+12.01.9
7SurveyUSAD+16.02.1
8Quinnipiac UniversityD+17.03.1
9University of Wisconsin Survey CenterD+10.03.9
10Big VillageD+8.05.9
11Scott Rasmussen (Rasmussen Reports)D+7.06.9
12American Research GroupD+5.08.9

Polls (20)

PollsterDatenPollMiss
SurveyUSA2008-10-28667D+16.02
YouGov2008-10-25976D+12.02
University of Wisconsin Survey Center2008-10-25359D+10.04
Scott Rasmussen (Rasmussen Reports)2008-10-23500D+7.07
Big Ten2008-10-21584D+12.02
SurveyUSA2008-10-18641D+8.06
FTI Consulting2008-10-18405D+13.01
Mason-Dixon Polling & Strategy2008-10-16625D+12.02
University of Wisconsin Survey Center2008-10-13400D+13.01
University of Wisconsin-Milwaukee Institute for Survey and Policy Research2008-10-12352D+15.01
Quinnipiac University2008-10-101201D+17.03
Scott Rasmussen (Rasmussen Reports)2008-10-06500D+10.04
Quinnipiac University2008-10-051081D+8.06
Big Village2008-10-05859D+8.06
SurveyUSA2008-10-05672D+10.04
American Research Group2008-09-20600D+5.09
Quinnipiac University2008-09-181313D+7.07
Big Ten2008-09-16616D+1.013
Big Village2008-09-15950D+4.010
Scott Rasmussen (Rasmussen Reports)2008-09-13500D+2.012