YOUGOV - VOTER RETENTION

yougov poll Labour 37% Conservatives 31% UKIP 15% LibDems 7% Greens 5% SNP / PC 4%
— General Election (@UKELECTIONS2015) June 10, 2014

For every 10,000 voters who voted for them in 2010 how many are prepared to vote for them now? Labour 7,387 Conservative 6,525 LibDem 1,925
— General Election (@UKELECTIONS2015) June 10, 2014

LibDem vote from 2010 23% now doesn't know or won't vote of the remainder 35% Labour 25% LibDem 14% Tory 12% UKIP 11% Green 2% Nat
— General Election (@UKELECTIONS2015) June 10, 2014

Labour vote 2010 11% Don't knoe / won't vote of the remainder Labour 83% UKIP 8% Tory 3% Green 3% SNP / PC 2% LibDem 0
— General Election (@UKELECTIONS2015) June 10, 2014

Tory vote 2010 13% now Don't know / won't vote of the remainder Conservative 75% UKIP 17% Labour 3% Green 2% LibDem 2% SNP / PC 1%
— General Election (@UKELECTIONS2015) June 10, 2014

http://cdn.yougov.com/cumulus_uploads/document/f1xw97wgfs/YG-Archive-Pol-Sun-results-090614.pdf