Iceland is being the top country by primary net lending/borrowing, % of GDP in the world. As of 2016, primary net lending/borrowing, % of GDP in Iceland was 17.2 percent of GDP. The top 5 countries also includes Antigua and Barbuda, Jamaica, Seychelles, and Grenada.
Primary net lending/borrowing is net lending (+)/borrowing (?) plus net interest payable/paid (interest expense minus interest revenue).