
Visa, MasterCard, UnionPay market share worldwide 2014-2022
Compared to the number of transactions from UnionPay and MasterCard, however, Visa's transactions did not increase as much - leading to a declining market share.
UnionPay's global market share grew faster than that of MasterCard, whilst Visa's worldwide market position declined. This is not to say that Visa's transaction volume worldwide declined: It increased by roughly 18 billion purchases between 2021 and 2022.