Swing to Labour is higher in Con-Lab battlegrounds, but an overall majority is still in the balance

% change in voting intention in different battlegrounds

Conservative

Labour

Liberal Democrat

SNP

Green

Reform

-15%

+5

-10

-5

0

All marginals

Con-Lab battleground

Con-Lib Dem battleground

SNP in contention

SNP

Green

Conservative

Labour

Liberal Democrat

Reform

+5%

0

-5

-10

-15

All marginals

Con-Lab

battleground

Con-Lib Dem

battleground

SNP in

contention

Guardian graphic. Source: Opinium interviewed 4,065 adults from 144 marginal constituancies in Great Britain between 19 and 31 May, 2023.