The U.S. BtoB e-commerce market as narrowly defined * is worth 92 trillion yen and that asbroadly defined* 189 trillion yen, while the Japanese comparable markets are worth 140trillion yen and 224 trillion yen, respectively. These figures can be converted into the ratio ofe-commerce market to the national BtoB commerce market (EC ratio), with each country’seconomic size taken into account. 米国におけるBtoB-EC市場規模は、狭義EC(*)では92兆円、広義EC(*)- 2 -では189兆円であるのに対し、日本の市場規模は、狭義EC では140兆円、広義EC では224兆円となっています。 - 経済産業省