The professor, whose election exit poll left the main parties stunned after indicating a hung parliament, said this year’s general election was clearly decided along the lines of age and Brexit allegiance, instead of traditional class lines.
New analysis has revealed the Tories managed to pick up large numbers of working class votes, while Labour’s surge relied on surprising support from the professional classes.
Speaking at an event organised by the Social Market Foundation think tank, Professor Curtice said the Tory strategy of pursuing working class voters had been successful, but warned the success had been neutered by a “tsunami” of support for Labour amongst “social liberals” who oppose Brexit.
He said: “It’s not that the Tory strategy didn’t work.
“They did win working class voters, they did win Ukip voters, they did win Leavers.
“It’s just that that tsunami of support amongst young, middle class pro-Remain professionals for the Labour Party proved to be more than enough to counteract the Tory success in their target audience.”
He added: “Jeremy Corbyn was not particularly successful at chasing the traditional working class vote.
“But the days when Labour was a party of the working class are long since over. It is predominantly a party of social liberals.
“In the Commons, we now have one party principally representing social conservatives and on the other side a party that is principally representing social liberals.”
Support for the Conservatives rose 12 per cent among the working classes in the recent snap election, compared with data from 2015.
However, at the same time, Labour saw a seven per cent increase in support from the professional classes, and a 10 per cent increase from the lower middle classes.
The new data also identified a sharp divide along the Brexit lines, with 60 per cent of Tory voters backing Leave, compared with just 25 per cent of Labour voters.
However, according to Professor Curtice, Tory reliance on the Leave vote…