These are interesting times in terms of geo-politics. Chinese investment in Africa and the Caribbean is massive too and growing in South America.
looking at GDPs on wiki, it's probably not great strategy to be jumping out of the EU. I'm sure our single aircraft carrier with no planes will keep us safe.
USA $21,344.667M
EU $18,705,132M
China $14,216,503M
...
UK $2,829,163M