International trade may not be as popular in the United States as it once was, but a new PIIE study demonstrates that the payoff to the US economy from globalization has been significant, write Megan Hogan and Gary Clyde Hufbauer. Gains from trade since 1950, facilitated by transportation and communications improvements, added up to $2.6 trillion in 2022, lifting US GDP by 10 percent. These gains averaged $7,800 per person and $19,500 per household in 2022.