U.S. Share of World GDP
According to CEIC Data, the July 2013 estimate for the entire 2013 calendar year was that the U.S. represented ~ 22% of world GDP, China 12%, Japan 7% and Germany 5%. The U.S. consumes 13% of the world’s merchandise, China consumes 10%, Germany 6%, and Japan 5%. Australia sends 29% of all its exports to China, South Korea 24%, Chile 24%, Japan 18%, the U.S. 7%, and Germany sends just 5% of its exports to China (source: CEIC Data, WSJ article, July 2013).
According to the United Nations, from 1970 to 2009, the U.S. share of world manufacturing output ranged from 29% (1970 + 1985) down to 14% (2007). By the end of 2008, it was back up to 18.3%. By the end of 2009, the U.S. manufactured 20% of the world’s manufacturing while China was close to 18% of the world’s total; in 1970, the U.S. represented 26% of the world’s total while China was 1% of the total. Over the past 40+ years, the first time the U.S. share of world manufacturing dipped to just 20% was 1991 (China was < 5%).