‘Unprecedented territory’: are UK polls as volatile as they seem? – in charts

Experts argue that the UK is no longer operating in a two-party environment. Illustration: Guardian Design

Cabinet reshuffles, party infighting, policy reversals, byelections, defections and apparently huge swings in support – the UK’s political news cycle feels especially relentless at the moment.

But if you look closely at the polls since last year’s local elections, remarkably little has changed.