The G20 Summit begins today in Pittsburgh, bringing together some of the world's most powerful political figures to discuss policies ranging from ways to prevent another financial meltdown to initiatives on climate change.
Among the main issues on the agenda, trade relations are expected to take center stage during the two-day meeting. Growing concerns over the U.S. federal deficit, which stood at a record $455 billion last year, along with new provisions on tariffs and a sharp decline in the value of the U.S. dollar this year, could set the tone for a heated debate.
Indeed, G20 nations comprise about 80 percent of all world trade; but just how important is the role of United States?
The following statistics provide a look on where the United States stands in relations to its largest trading partners.