In percentage of GDP, US external assets represented 90 % of US GDP and US external liabilities amounted to 110 % of GDP in 2005.
As regards the euro area in 2005 as well, external assets represented 124 % of euro area GDP and external liabilities reached 137 % of euro area GDP ; therefore, in relative terms, the euro area is financially more open that the United States. European investors are also central players in American markets.