A decade on from the Brexit vote, the U.K. will have 7 prime ministers, hit a demographic trap, and taken a 6% hit to its economy

A decade ago today, June 23rd, 2016, 52% of the British electorate voted to leave the European Union. It was a massively consequential moment for the U.K.’s economy and political scene, and kicked off one of the most tumultuous decades in the country’s recent history. On Monday, Keir Starmer announced he would resign as prime minister after two years in seat—something that may seem short for leaders of some countries, but for the U.K., ranks as one of the longer tenures in recent years. Nominations for a successor will open next month and a next party leader is likely to...