In 2021, the value of energy trade between the United States and Mexico reached a nine-year high. This energy trade value represents the combined value of energy imports and exports between the two countries. In 2021, energy accounted for 15% of the value of all U.S. exports to Mexico. The value of U.S. energy exports to Mexico totaled $42 billion in 2021—the highest value in the U.S. Census Bureau data, which started in 1996.