The E-Commerce Trade and B2B Exchanges Report by eMarketer forecasts that worldwide B2B e-commerce will total $823.4 billion by the end of 2002. Strong growth is forecast to continue through to 2004 when online B2B revenue will reach nearly $2.4 trillion.
eMarketer estimates that online e-commerce accounted for less than 2% of all US B2B trade during 2001.