The EU economy is $20T vs USA $30T, so 60%. Also, Britain was part of the EU 2 decades ago. The EU economy has almost doubled in that time, with large regional

The EU economy is $20T vs USA $30T, so 60%. Also, Britain was part of the EU 2 decades ago. The EU economy has almost doubled in that time, with large regional differences (Ireland, Poland on fire, southern Europe flat), but the USA has done better than the eu average.