•Throughout our membership with EU, Britain has been the 5th or 6th biggest economy – barring one year when we were 7th and eight years when we were 4th.

•Back in 1975 the countries that now make up the EU accounted for 33% of the world economy. Today it is 24%, forecast to fall to 20-21% in 2020, and by 2030 the House of Commons library [PWC forecasts] predict it will be 17% and then 13% in 2050.

•If the UK were to leave the EU its share of the world economy would drop overnight from 24% to 20%. This is then forecast to fall to 14.6% in 2030, and only 11% of the world economy by 2050.