Britain’s two-party system has been weakening for decades. In the 1950s, the average share of the vote won by Labour and the Conservatives combined was 94%. By the 1970s, it had fallen to 80%. In 2024, at 57%, it reached its lowest level ever.
Why First Past the Post can’t cope with Britain’s multi-party politics
Britain’s two-party system didn’t just weaken this May. It broke. With it have gone the political conditions First Past the Post requires to work properly.
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