The Guardian view on Britain’s multiparty politics: the Westminster voting system needs to catch up | Editorial

Britain's first-past-the-post electoral system is increasingly unsuited to modern multiparty politics, as demonstrated by upcoming local and devolved elections where Labour, Reform UK, the Greens, and Plaid Cymru all have significant support. The system, designed for two-party competition, becomes perverse when four or five parties have similar poll ratings, allowing candidates to win with record-low vote shares—last year's local elections saw an average winner's vote share of just 40.7%, with about 75 candidates elected on under 30%. The Guardian argues that while local and devolved elections use different voting models that better reflect fragmented party allegiances, Westminster's first-past-the-post system fails to fairly represent this electoral reality.