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Toyota Prius, a hybrid electric vehicle. Automobiles and electronics constitute a large proportion of Japanese exports.Japan's exports amounted to 4,210 U.S. dollars per capita in 2005. Japan's main export markets are the United States 22.8%, the European Union 14.5%, China 14.3%, South Korea 7.8%, Taiwan 6.8% and Hong Kong 5.6% (for 2006). Japan's main exports are transportation equipment, motor vehicles, electronics, electrical machinery and chemicals. Japan's main import markets are China 20.5%, U.S. 12.0%, the European Union 10.3%, Saudi Arabia 6.4%, UAE 5.5%, Australia 4.8%, South Korea 4.7% and Indonesia 4.2% (for 2006). Japan's main imports are machinery and equipment, fossil fuels, foodstuffs (in particular beef), chemicals, textiles and raw materials for its industries. By market share measures, domestic markets are the least open of any OECD country. Junichiro Koizumi administration commenced some pro-competition reforms and foreign investment in Japan has soared recently.

Japan's business culture has many indigenous concepts such as nemawashi, nenko system, salaryman, and office lady. Japan's housing market is characterized by limited land supply in urban areas. This is particularly true for Tokyo, the world's largest urban agglomeration GDP. More than half of Japanese live in suburbs or more rural areas, where detached houses are the dominant housing type. Agricultural businesses in Japan often utilize a system of terrace farming and crop yields are high. 13% of Japan's land is cultivated. Japan accounts for nearly 15% of the global fish catch, second only to China. Japan's agricultural sector is protected at high cost