UK election explainer: What is the new MRP method of modelling opinion polls?

Prime Minister Rishi Sunak speaking to staff in a cafe during a visit to Wykham Park Farm in Banbury, Oxfordshire

Kylie MacLellan

As Britain's election campaign enters its final stretch, the work of opinion pollsters is back in the spotlight with several recent projections of a record victory for the opposition Labour Party grabbing the headlines.

Labour's ample 20-point opinion poll lead has hardly budged since British prime minister Rishi Sunak announced the July 4 election last month, shifting the focus to the question of how big Keir Starmer's win will be rather than whether it will happen.