Evolving Shares

How did vote shares changes evolve throughout the UK election night?

As part of the BBC’s coverage, the broadcaster shows the actual vote share changes from constituencies which had declared their results.

The House of Commons Library has collated the BBC declaration times, so we can replicate the election night calculations.

The moving line

One response to a previous article was that vote share changes shown at around 2am on the BBC coverage were ‘understating’ Labour…