Currency union

Columns: Currency | Users | Est | Status | Population
New Zealand dollar | New Zealand and realm : Cook Islands Niue Pitcairn Islands | 1967 | Informal | 4,411,000 | Israeli new sheqel | Israel Palestine | 1927/1986 | Informal | 11,738,000 | Jordanian dinar | Jordan Palestine ( West Bank only ) | Informal | 8,922,000 | Russian ruble | Russia Abkhazia South Ossetia | 2008 | Informal | 142,177,000 | South African rand | Lesotho Namibia South Africa Eswatini | 1974 | Formal de facto customs and monetary union for SACU members | 52,924,669 | Swiss franc | Liechtenstein Switzerland | 1920 | Informal de facto economic and monetary union - 1924 creation of a customs union , then members of the European Free Trade Association ( a common market ) , and now also part of the European Single Market | 8,547,015 | Turkish lira | Turkey Turkish Republic of Northern Cyprus | 1983 | Informal | 75,081,100 | United States dollar | United States and insular areas : American Samoa Guam United States Minor Outlying Islands Northern Mariana Islands Puerto Rico United States Virgin Islands Ecuador El Salvador Panama Marshall Islands Federated States of Micronesia Palau Timor-Leste Turks and Caicos Islands British Virgin Islands BES islands | 1904 ( Panama only ) | Formal for insular areas and sovereign status with Compact of Free Association , informal for other areas | 339,300,000

Example questions:
How many islands are in the chain where the currently-used currency came into existence in 1965 ? | What is the official name for the paper currency used in the country where the indigenous people are the Chamorros ? | In a country where coffee and cocoa are important products , what institution guarantees the currency ? | Who heads the government of a country using a currency abbreviated CHF ? | When did Botswana stop using the currency that is now the official currency of the southernmost country in Africa ?

Answers:
32 | Federal Reserve Note | the French treasury | Prince of Liechtenstein | 1976