Global general purpose cards carrying Visa, UnionPay, MasterCard, JCB, Diners Club/Discover, and American Express brands generated 227.08 billion purchase transactions at merchants in 2015, an increase of 16.1% or 31.52 billion over 2014. Purchase transactions included all commercial and consumer credit, debit, and prepaid cards. Prepaid cards are included in debit figures. Visa cards, which include both Visa Inc. and Visa Europe, accounted for 55.52% of all purchase transactions worldwide. Debit cards with the Visa brand continued to account for the most purchase transactions with a share ...