Export-related jobs, he said, pay fifteen percent more than average. In two thousand eight, American exports supported almost seven percent of all jobs, including one-third of jobs in manufacturing.

In January, in his State of the Union speech, President Obama promised to double exports in five years. In his comments Wednesday, he said the United States must work to remove trade barriers and open new markets.

BARACK OBAMA: “Ninety-five percent of the world’s customers and fastest-growing markets are beyond our borders. So if we want to find new growth streams, if we want to find new markets and new opportunity, we have got to compete for those new customers, because other nations are competing for those new customers.”

He said the United States offers some of the world’s lowest barriers to trade -- and expects free and fair access to other countries in return.

In late June, the World Trade Organization ruled that Airbus received billions in illegal European aid. The ruling was a victory for its American competitor Boeing.

American lawmakers have also long complained that China suppresses the value of the yuan to lower the price of its exports. China recently promised to let the yuan trade more freely against the dollar.

China passed Germany to become the world’s top exporting country last year. The United States was third.

Some American companies have been doing well in developing markets. For the first time, General Motors has announced higher sales in China, the world's largest car market, than in the United States.