Monday 21 July 2014

Latest forecast for UK GENERAL ELECTION 2015

stephen.fisher@

I am an Associate Professor in Political Sociology and the Fellow and Tutor in Politics at Trinity College.

Date of forecast: 18 July 2014
Days till the election: 293
Inputted current average poll shares (from UK Polling Report)
Con: 33%
Lab: 36%
LD: 9%
Others (inc. UKIP): 22%
– UKIP: 12%
Forecast Election Day Shares (with 95% Prediction Intervals)
Con: 36.2% (±7.6, i.e. 29% – 44%)
Lab: 32.0% (±5.7, i.e. 26% – 38%)
LD: 12.8% (±8.5, i.e. 4% – 21%)
Implied point estimate shares for:
– Others (inc. UKIP): 19.1%
– UKIP: 10.4%
Forecast Election Day Seats (with approximate 95% Prediction Intervals)
Con: 304 (222 – 398)
Lab: 290 (201 – 366)
LD: 29 (23 – 36)
(Prediction intervals assume LD & others shares at central forecast, Con & Lab shares vary as per prediction intervals)
Central forecast: Con largest party, but short of a majority by 22
Approximate probabilities of key outcomes
Con largest: 56%
… with a majority: 30%
Lab largest: 44%
… with a majority: 20%
Hung Parliament: 49%
… with Con largest: 26%
… with Lab largest: 23%
(probabilities may not sum due to rounding)
Shares trend 140711
Probabilities trend 140711
Probabilities trend b 140711
Seats trend 140711

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