Purchase transactions worldwide for goods and services initiated by credit, debit and prepaid cards carrying brands of the global networks—Visa, UnionPay, Mastercard, American Express, JCB and Diners Club/Discover—amounted to a combined 581.22 billion in 2021, an increase of 24.5% over 2020. Those purchase transactions included all consumer, small business and commercial card products. In this article, all debit card figures mentioned in the text and used in the charts and tables include prepaid cards. Visa brand credit and debit cards generated a 38.81% market share of all global netwo...