Comparing Japan and American Food Markets The Japanese Market has become vital to the U.S. Economy. Japan is the number one export market for the United States. In 1993, Japan accounted for 37.6 percent of the total growth in U.S. value-added exports. U.S. food products, in particular, are a huge market in Japan. American agricultural exports to Japan in 1993 were $8.7 billion. About one-third of Japanese agricultural imports come from the United States. However, there is sometimes a mixed reception in Japan regarding products from the United States. Japanese, on one hand, wish to do things "American" ever since the Secon