In 2015, the number of U.S. noncash payments was estimated to have totaled more than 144 billion. In 2018, transactions conducted via eWallets alone were estimated to a total of 41.8 billion globally.
PayPal is one of the most popular online payment services in the world and it has been used by more than one billion people worldwide.
Auto126
https://home.bluesnap.com/snap-center/blog/payment-method-statistics/
https://www.creditcards.com/credit-card-news/payment-method-statistics-1276/
https://spendmenot.com/blog/paypal-statistics/