Exit Poll Performance, 2005–2019

How has the broadcasters’ exit poll performed in the last five elections?

In the television coverage, the first major moment of the night is the seat estimates from the broadcaster’s exit poll.

The article considers the accuracy of the exit poll in the last five elections, and how uncertainty might be shown.

Performance

In the 2019 General Election, the exit poll was conducted by Ipsos MORI, and paid for by the BBC, ITV and Sky News. The…