The UK voted to leave the EU on June 23, 2016, with the withdrawal process spanning a full decade.
Various theoretical Brexit models, including the Singapore-style low-tax approach and the Norway-style EEA membership, were evaluated.
Economic analysis suggests the UK is currently 4% to 8% poorer compared to a hypothetical scenario of remaining in the EU.
Modern geopolitical shifts, including changing trade relations with the US, have rendered many initial 2016 Brexit assumptions obsolete.