Census Bureau data this table this Census this Top Trading Partners – December 2013 this third largest export market this second-leading https://www.census.gov/foreign-trade...top1312yr.html number-two 10% of all U.S. trade third largest this trading partners China about 28% of U.S. trade this Top Trading Partners – December 2013 third largest Canada is our top trading partner https://www.census.gov... number-two Census Bureau data https://www.census.gov/foreign-trade...top1312yr.html top two largest this this this second-leading this third largest export market this this the countries second this rank India this top this number-two third largest export market Based on statistics from the U.S. Census Bureau number-two