Credit card market shares in 2004: Visa – 40%, Amex – 36.4%, MC – 21.3%

IDC data shows Americans spending $340 bln annually on credit cards in 2004. Visa and American Express led the market in 2004 with 40% and 36.4% market share, respectively. By 2009, Americans will spend $996 bln with credit cards, with Visa owning 48.4% of the market and MasterCard becoming #2 with 26.3%.

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