Core Insights - The total card spending for Visa, Mastercard, American Express, and Discover in the US reached $6.136 trillion in 2024, marking a 5.3% increase from 2023 [1] - JP Morgan Chase maintained its position as the top issuer with over $1.344 trillion in purchase volume, followed by American Express and Citi [2] - The top five issuers accounted for 69.1% of all credit card spending, while the top ten issuers represented over 82.5% [2] Spending and Debt Trends - Outstanding credit card receivables reached $1.346 trillion at the end of 2024, reflecting a 7.9% increase [2] - The growth rate of outstanding debt on cards is outpacing spending, suggesting that some consumers may be struggling to meet their obligations [3] - The number of credit cards in circulation was 942 million, with 34 million locations available for purchases [3]