How many American Express Centurion Cards have been issued?

The exact number of American Express Centurion Cards issued remains undisclosed by American Express as it is a closely guarded secret and not publicly released. Known colloquially as the "Black Card," the American Express Centurion Card is an invitation-only charge card extended to high-net-worth individuals, typically reputed to be among the wealthiest and most influential clients of American Express. As such, estimates regarding the total number are speculative, but what can be said with certainty is that the card is rare and exclusive, contributing to its allure and prestige among affluent consumers.