Brexit has left the UK economy 6-8% smaller than other countries

GDP per head. Index, Q1 2016 = 100

Guardian graphicSource: Estimating the impact of Brexit, G Thwaites, S Abrahams, N Bloom, P Bunn, P Mizen, P Smietanka. Comparator countries: US, Canada, EU-27, Iceland, Norway, Switzerland, Japan. All seasonally adjusted. Note: the UK synthetic is a counterfactual in which Brexit did not happen