Jeremy Corbyn has made Labour unelectable

Jeremy Corbyn is seen as an unpopular leader across almost all demographic groups and leads a party whose voters are increasingly out of step with majority opinion in the country.

Since the election, Labour has attracted voters from two main sources: the Liberal Democrats and the Greens, many of whom hold views on immigration, defence, welfare and patriotism that are at odds with public opinion.

At the same time, Labour has retained only two-thirds of its own voters, according to a YouGov poll...