Kazakhstan's financial sector is fairly developed, comprising 27 banking institutions, one of which is state-owned, and 15 organizations with the foreign participation. As for international payment systems, you can use MasterCard, Visa, American Express and UnionPay in Kazakhstan. Any of these cards can be issued by the banks of the Republic. The most popular of these among non-residents are Visa Instant, Visa Classic, Visa Gold and Virtuon, Priority Pass with the airport VIP lounges access, as well as Visa Planinum and Infinite.