Consumer and commercial credit, debit and prepaid Mastercard and Visa cards issued in the U.S. generated $5.915 trillion in purchase volume in 2020, up 3.3% from 2019. Mastercard and Visa debit card purchase volume combined exceeded credit card purchase volume combined. For the first time, debit purchase volume topped credit at Visa and Mastercard in the same year. Purchase volume at Visa grew 3.6% to $4.170 trillion. At Mastercard, purchase volume grew 2.6% to $1.745 trillion. Visa’s market share of purchase volume at 70.5% rose 20 bps from 70.3% in 2019. Market share for Mastercard d...