Currency union

Columns: Currency | Users | Est | Status | Population
CFA franc | Benin Burkina Faso Côte d'Ivoire Guinea-Bissau Mali Niger Senegal Togo Cameroon Central African Republic Chad Republic of the Congo Equatorial Guinea Gabon | 1945 | Formal , common policy | 151,978,440 | CFP franc | French Polynesia New Caledonia Wallis and Futuna | 1945 | Formal , common policy | 552,537 | Eastern Caribbean dollar | Anguilla Antigua and Barbuda Dominica Grenada Montserrat Saint Kitts and Nevis Saint Lucia Saint Vincent and the Grenadines | 1965 | Formal , common policy de facto EMU for CSME members | 625,000 | Euro | Eurozone : Austria Belgium Cyprus Estonia Finland France Germany Greece Ireland Italy Latvia Lithuania Luxembourg Malta Netherlands Portugal Slovakia Slovenia Spain and EU special territories : Akrotiri and Dhekelia ( SBAs ) French Southern and Antarctic Lands Saint Barthélemy Saint Martin Saint Pierre and Miquelon Andorra Kosovo Monaco Montenegro San Marino Vatican City | 1999/2002 | Formal , common policy and EMU for EU members Formal for Monaco and SBAs ( those form a de facto EMU with the Eurozone ) Formal for Andorra since 2011 Informal for Kosovo , Montenegro Formal for the rest | 341,008,867 | Hong Kong dollar | Hong Kong Macau | 1977 | Informal ; Decreto-Lei n.º 16/95/M prohibiting the refusal of the pataca by merchants and businesses | 7,775,200 | Singapore dollar Brunei dollar | Brunei Singapore | 1967 | Formal ; currencies mutually exchangeable | 5,137,000 | Australian dollar | Australia and external territories : Ashmore and Cartier Islands Australian Antarctic Territory Christmas Island Cocos ( Keeling ) Islands Coral Sea Islands Heard Island and McDonald Islands Norfolk Island Kiribati Nauru Tuvalu | 1966 | Informal | 24,557,000 | Pound sterling | United Kingdom and overseas territories : British Antarctic Territory British Indian Ocean Territory Falkland Islands Gibraltar Saint Helena , Ascension and Tristan da Cunha South Georgia and the South Sandwich Islands and crown dependencies : Guernsey Isle of Man Jersey | 1939 | Semi-formal . UK banknotes are legal tender in locations outside the UK . Local currencies are pegged to the GBP but not necessarily accepted in the UK : Guernsey pound , Manx pound , Jersey pound and Alderney pound , Falkland Islands pound , Gibraltar pound , Saint Helena pound | 62,321,000 | Indian rupee | India Bhutan Nepal | 1974 | Informal Nepal minor usage | 1,352,000,000

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