If Britain were to leave the European Union and join the United States, it would be the poorest of all US states based on GDP per capita, figures uncovered by The Spectator show.

According to Fraser Nelson, editor of the current affairs magazine, if you were to take GDP per US state, divide it by population, and compare it with the latest data from the UK Treasury, Britain would fall behind the poorest US states of Kansas, Alabama and Missouri, currently marred by the Ferguson riots.