Which are the top OECD countries with highest current account surpluses in 2017? Insider Monkey has come with a great compilation for you, as usual. If you are looking for which country has the largest trade deficit, that answer is easy – the United States of America. When taken into consideration the sheer value of the trade deals they have, the US leads by far because while its exports are high, its imports are much higher. You might wonder which countries are benefiting from this huge volume of US imports.