How could Britain look under proportional representation? See the results for your area

These visualisations from exclusive polling modelling show how the UK parliament could change under different voting systems New analysis produced exclusively for the Guardian reveals how different voting systems would return wildly different seat totals in the UK parliament based on current polling. While the current first past the post (FPTP) system could leave Reform UK just 30 seats short of a majority based on recent polls, the modelling shows how proportional systems would be likely to ...

By Antonio Voce and Ashley Kirk