Cards carrying the brands of American Express, Diners Club/Discover, JCB, Mastercard, UnionPay, and Visa combined generated 368.92 billion purchase transactions for goods and services in 2018, an increase of 24.9% over 2017. Purchase transactions included all consumer and commercial credit, debit, and prepaid products. (Prepaid cards are included with debit cards.) Visa cards accounted for 44.84% of all global brand general purpose card purchase transactions worldwide in 2018, a decline from 50.07% in 2017. Debit cards from Visa generated 27.75% of worldwide purchase transactions, down from...