By Mail on Sunday Reporter
Published: 01:04 GMT, 8 December 2019 | Updated: 01:04 GMT, 8 December 2019
Boris Johnson is comfortably ahead in the polls but he also needs a good turnout from Tory supporters on Thursday.
Here, The Mail on Sunday reveals the 40 seats which Tory strategists hope to win to give the PM the majority he needs to deliver Brexit.
They include 20 won by the party in 2017, but which could fall due to tactical voting; and a further 20 which need to be seized from opponents. If you live in these seats, vote for Boris and stop Corbyn!
The 20 seats which must stay blue
The Tory Brexiteer is clinging on to a microscopic majority of 45 votes in a constituency where 70 per cent backed Remain in