From January 1 to June 30, 2017, American Express, Diners Club/Discover, JCB, Mastercard, UnionPay, and Visa credit, debit, and prepaid cards generated 138.40 billion purchase transactions for goods and services, up 11.9% over the same period in 2016. Purchase transactions on debit cards contributed 53.39% of combined credit and debit card transactions for goods and services, down from 53.41%. In the first six months of 2017, these global card brands generated $10.679 trillion in purchase volume of goods and services worldwide, up 8.5% over the same period in 2016. Credit card purchase volu...