Flag Common Name Formal Name Krause Name Wikipedia Name Dates Coins
Flag of United States of America United States United States of America United States United States 1776 - Present 79
Flag of United Republic of Tanzania Tanzania United Republic of Tanzania Tanzania Tanzania 1964 - Present 0
Flag of United Province of Canada Canada1 United Province of Canada Canada \ Upper Canada Province of Canada 1841 - 1867 1
Flag of United Mexican States Mexico United Mexican States Mexico Mexico 1810 - Present 22
Flag of United Kingdom of Great Britain and Northern Ireland United Kingdom2 United Kingdom of Great Britain and Northern Ireland Great Britain United Kingdom 1922 - Present 41
Flag of United Kingdom of Great Britain and Ireland United Kingdom1 United Kingdom of Great Britain and Ireland Great Britain United Kingdom of Great Britain and Ireland 1801 - 1922 3
Flag of United Belgian States Belgium1 United Belgian States Austrian Netherlands United Belgian States 1790 - 1790 0
Flag of United Arab Emirates United Arab Emirates United Arab Emirates United Arab Emirates United Arab Emirates 1971 - Present 3
Flag of Union of the Comoros Comoros Union of the Comoros Comoros Comoros 1975 - Present 0
Flag of Union of Soviet Socialist Republics Russia1 Union of Soviet Socialist Republics Russia Soviet Union 1922 - 1991 1