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The Labour leader’s popularity has plummeted by 45 points in the last 18 months, fuelled by his unclear stance on Brexit. Mr Corbyn’s indecisiveness, his failure to meet Prime Minister Theresa May for Brexit talks and the anti-semitism row have also shifted public opinion against him, the YouGov poll revealed. In mid-2017, Mr Corbyn’s net approval rating peaked at 0, meaning an equal amount of people liked and disliked him.

However, that has plunged to minus 45, with 22 percent of those polled having a favourable view of the left-wing leader compared to 67 percent with an unfavourable opinion.

Chris Curtis, political research manager for YouGov, said: “We have seen two dramatic shifts in Jeremy Corbyn’s popularity - a huge rise around the 2017 election, followed by a steady fall ever since.

“When we asked people who had turned against him, Brexit was mentioned overwhelmingly as a reason. It was about his indecisiveness, playing politics with Brexit and refusing to meet Theresa May.

“Labour has had a policy of constructive ambiguity about Brexit because they did not want to alienate their voters on either side of the debate, but that has proved to be a fairly destructive policy.”