indy100 has spoken to Alex, who said that the figure was "an indication" and "not 100 per cent". He said he had key campaign members doing head counts at polling stations in student cities such as Sheffield, Reading, Bristol, Bath and London. He added that he conducted surveys with other student union officers. He did not share his calculations with us. He said he's not in touch with Malia Bouattia, but he assumes that she saw the numbers in his tweet.
Ben Page, the Chief Exec of polling company Ipsos-Mori, tweeted that it takes a week to produce broken down turnout figures.
@FactCheck @BoscoTann @jonlaurence @jonsnowC4 @IpsosMORI No - we produce it after each election later but it takes… https://t.co/eMcbxSAbuK
The speculation is likely based on increased overall turnout and Labour doing much better than initially expected.
The general election was first expected to be a landslide for the Conservatives, ending up with an increased majority. Instead Labour have gained at least 29 seats, and the Conservatives have lost at least 12 - resulting in a hung parliament.
As likelihood to vote Labour significantly decreases with age, YouGov analysis shows that for every ten years older a person is, the likelihood they vote Conservative increases by 8 points and the likelihood they vote labour decreases by 6 points
Momentum, a branch of the Labour party, urged supporters to visit its website My Nearest Marginal, which reveals key marginal seats and lists contact details for local Labour contacts and campaign events.