VotePredictor
past elections

Massachusetts Governor

Martha Coakley (D) vs Charles D. Baker (R)

Actual result
R+1.9
Final polls said
R+2.6
13 late polls · ✓
Model predicted
R+0.7
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
1Kiley & CompanyR+2.00.1
2Rasmussen ReportsR+2.00.1
3MassINC Polling GroupR+1.00.9
4VotePredictorR+0.71.2
5Suffolk UniversityR+3.41.5
6Public Policy PollingR+4.02.1
7University of Massachusetts Lowell Center for Public OpinionR+4.02.1
8GQRD+1.02.9
9Western New England University Polling InstituteR+5.03.1
10Emerson CollegeR+6.04.1
11YouGovD+3.04.9
12SocialSphereR+7.05.1

Polls (31)

PollsterDatenPollMiss
Public Policy Polling2014-10-31887R+4.02
Emerson College2014-10-28627R+6.04
Suffolk University2014-10-28500R+3.42
SocialSphere2014-10-28600R+7.05
Western New England University Polling Institute2014-10-25430R+5.03
YouGov2014-10-24591D+3.05
MassINC Polling Group2014-10-24494R+1.01
Kiley & Company2014-10-231200R+2.00
University of Massachusetts Lowell Center for Public Opinion2014-10-23601R+4.02
GQR2014-10-21611D+1.03
SocialSphere2014-10-20400R+9.07
YouGov2014-10-202218D+4.06
MassINC Polling Group2014-10-17501R+1.01
Rasmussen Reports2014-10-14980R+2.00
SocialSphere2014-10-13400EVEN2
MassINC Polling Group2014-10-10500D+3.05
SocialSphere2014-10-06400D+5.07
Emerson College2014-10-06500R+5.03
MassINC Polling Group2014-10-03504D+2.04
YouGov2014-09-29414D+4.06
SocialSphere2014-09-29401R+3.01
Suffolk University2014-09-27500D+1.03
MassINC Polling Group2014-09-26503D+3.05
YouGov2014-09-262389D+6.08
Western New England University Polling Institute2014-09-24416R+1.01
SocialSphere2014-09-22400R+2.00
YouGov2014-09-21440R+1.01
MassINC Polling Group2014-09-18502D+10.012
Rasmussen Reports2014-09-16750EVEN2
SocialSphere2014-09-15407D+3.05
MassINC Polling Group2014-09-13504D+9.011