Meanwhile, though Labour continued to dominate the youngest age brackets of voters, support nonetheless waned since 2017.
Some 56% of voters between 18 and 24 voted for Jeremy Corbyn’s party in Thursday’s poll, down from 64% in 2017.
The data shows that for every 10 years older a voter was, the chance of them voting Tory increases by 9%.
The Conservatives, despite winning a comfortable majority, still have problems attracting young voters, with just 21% in the 18 to 24 category voting for Boris Johnson’s party last Thursday.
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The youngest age category the Tories won was 40 to 49, with 41% voting Conservative compared to 35% choosing Labour.
The survey, which saw 41,995 voters interviewed, also suggested the Conservatives are now the party of working class voters.
Highlights: Election winners and losers: