Card association

A card association is a network of issuing banks and acquiring banks that process payment cards of a specific brand.


Familiar payment card association brands include China UnionPay, RuPay, Visa, MasterCard, American Express, Discover, Diners Club, Troy and JCB. Visa, MasterCard and American Express issuers co-brand with their card association. for example, "Wells Fargo Visa" or "Citi MasterCard".


Card associations Visa and MasterCard each comprise over 20,000 card issuing banks.[1]

Among United States consumers alone, over 600 million payment cards are in circulation.[2]

Worldwide, Visa issuers have over 1.5 billion payment cards in circulation.[3][4]