VotePredictor
past elections

Arizona Senate

Ann Kirkpatrick (D) vs John McCain (R)

Actual result
R+13.0
Final polls said
R+9.3
12 late polls · ✓
Model predicted
R+12.8
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
1Big VillageR+13.00.0
2VotePredictorR+12.80.2
3Data OrbitalR+12.01.0
4LucidR+12.01.0
5Arizona State University Morrison Institute for Public PolicyR+11.91.1
6Monmouth University Polling InstituteR+10.03.0
7HighGround Inc.R+10.03.0
8Marist CollegeR+16.03.0
9LegerR+8.05.0
10Emerson CollegeR+6.07.0
11SurveyMonkeyR+5.08.0
12YouGovR+5.08.0

Forecasters — pre-election win probability, scored by Brier

#ForecasterWin probBrierCalled
1FiveThirtyEightRep 98%0.000
2VotePredictorRep 98%0.000
3Cook PoliticalRep 90%0.010
4Inside ElectionsRep 90%0.010
5Sabato's Crystal BallRep 90%0.010

Polls (17)

PollsterDatenPollMiss
Data Orbital2016-11-05550R+12.01
Leger2016-11-05392R+8.05
SurveyMonkey2016-11-042609R+5.08
Data Orbital2016-11-01550R+11.02
Marist College2016-10-31719R+16.03
Emerson College2016-10-30700R+6.07
Lucid2016-10-301113R+12.01
Data Orbital2016-10-29550R+10.03
Big Village2016-10-29769R+13.00
SurveyMonkey2016-10-281457R+3.010
YouGov2016-10-27994R+5.08
Monmouth University Polling Institute2016-10-23401R+10.03
HighGround Inc.2016-10-14400R+10.03
Arizona State University Morrison Institute for Public Policy2016-10-12660R+11.91
SurveyMonkey2016-10-121028R+3.010
Emerson College2016-10-03600R+15.42
Leger2016-09-13484R+18.05