The World Bank list aggregates the Eurozone, at 5% less GDP than the US and 20-25% of world GDP.
The CIA world fact book aggregates the European Union, at 10% larger than the US and 25-30% of world GDP.
I go with the World Bank list since the Eurozone is the sensible aggregation. The brainless should not be in banking -- Willem Buiter
Regardless of the comparison with the the United States, the Eurozone dwarfs the Japanese and Chinese economies. And I'll give my consent to any government that does not deny a man a living wage-Billy Bragg
