General election 2019:a postcode lottery

The 2019 general election produced a strong Conservative majority in the House of Commons, with the first-past-the-post electoral system delivering the party 56% of parliamentary seats on the basis of 43.6% of all votes. Beyond this national figure, Ian Simpson explains, the nations and regions of the UK returned some even more disproportional results, meaning millions of voters across the UK are left unrepresented in Parliament.