Visa dominates the global credit card market, holding the largest share by both purchase volume ($3.2 trillion in 2024) and cards in circulation, with over 4 billion active cards globally. Together with Mastercard, Visa controls over 90% of the card network market outside of China. JPMorgan Chase is the leading issuer by volume.
Now let's get to the differences. American Express is a much bigger business than Discover. Thus, in 2023 American Express reported net revenue of $60.5 billion, which compares to $15.9 billion for Discover.
As India's largest private-sector lender, HDFC Bank continued to dominate the credit card market, maintaining a 22 per cent share in November 2025. It was followed by SBI Card, ICICI Bank, and Axis Bank, which held market shares of 19 per cent, 16 per cent, and 14 per cent, respectively.
The four major credit card networks in the U.S. are Visa, Mastercard, American Express (Amex), and Discover, which facilitate transactions and determine where cards are accepted, though Visa and Mastercard dominate globally, while Amex and Discover also issue their own cards. These networks set payment rules, process purchases, and offer benefits like fraud protection, with Visa and Mastercard having broader acceptance, while Amex and Discover sometimes have unique issuer advantages.
New York-based American Express is a credit card company that caters to higher-end travelers and business clients. It has the distinction of being one of Buffett's earliest and best bets — Buffett invested in 1964 after a scandal regarding salad oil inventories caused the stock price to plummet.
The 2/3/4 rule is a guideline, primarily used by Bank of America, that limits how many new credit cards you can get: no more than 2 in 30 days, 3 in 12 months, and 4 in 24 months, helping to prevent over-application and manage hard inquiries on your credit report. While not universal, it's a useful benchmark for responsible card application, though other banks have different rules (like Chase's 5/24 rule).
Chase primarily uses Experian for credit applications but may pull from Equifax or TransUnion, depending on location or card type, and reports activity to all three major bureaus (Experian, Equifax, TransUnion). Their free credit monitoring tool, Chase Credit Journey, specifically uses Experian data to provide scores.
The most used credit cards are Visa credit cards, with more than 312 million cards in circulation, according to the Nilson Report. Mastercard credit cards come in second, with more than 266 million cards in circulation.
The main controversy surrounding Discover (Discover Financial Services) involves its widespread, 17-year practice (2007-2023) of misclassifying millions of consumer credit cards as commercial cards, leading to over $1 billion in inflated interchange fees for merchants, prompting major FDIC/Federal Reserve penalties, restitution orders, and a significant class-action settlement. Other issues include regulatory scrutiny over consumer compliance, a lawsuit by a former executive alleging discrimination, and ongoing debates about higher merchant fees in general.
To get a credit card with a $100k limit, you generally need excellent credit, high income, and often apply for premium travel cards like the Chase Sapphire Reserve or Amex Platinum, or business cards like Brex/Ramp, as traditional cards rarely start that high, though some premium options like Chase Sapphire Preferred can reach it for top-tier users. No preset spending limit (NPSL) cards, like some American Express products, offer flexible limits that can exceed $100k based on your financial profile, making them another path to high spending power.
Working exclusively as network processors, these two companies have a unique edge, but they operate differently. Visa and Mastercard are both publicly traded. Visa (V) commands a $652 billion market capitalization, while Mastercard (MA) follows closely behind at $504 billion (as of Nov. 12, 2025).
There are three big nationwide providers of consumer reports: Equifax, TransUnion, and Experian. Their reports contain information about your payment history, how much credit you have and use, and other inquiries and information.
When using a credit card, remember the golden rule: only spend what you can afford to pay off in full each month. Carrying a balance leads to interest charges that can grow quickly. Paying off your statement balance each billing cycle keeps your costs down and your credit score in good shape.
Bezos: Chase Amazon Prime Visa 5%. Musk: PayPal Cashback Mastercard 3%.
Yes, you can likely get a $50,000 loan with a 700 credit score, as this falls into the "good" credit range (670-739) that unlocks better rates, but approval also hinges on your income, debt-to-income (DTI) ratio (ideally below 36%), and overall credit history, with lenders looking for stability and repayment ability, so prequalifying with multiple lenders helps compare terms.
The Centurion Card is minted out of anodized titanium, laser-engraved, and accented with stainless steel. The card reports to credit bureaus and does not maintain a pre-set credit limit. It is considered a status symbol among the affluent.