Worldwide official use of foreign currency or pegs. United States dollar users, including the United States Currencies pegged to the United States dollar Euro users, including the Eurozone Currencies pegged to the euro Australian dollar users, including Australia Indian rupee users and pegs, including India New Zealand dollar users, including New Zealand Pound sterling users and pegs, including the United Kingdom Russian ruble users, including Russia and other territories South African rand users (CMA, including South Africa) Special drawing rights or other currency basket pegs Three cases of a country using or pegging the currency of a neighbor