At present , in addition to the first four of the aforementioned countries , Elizabeth is Queen of Jamaica , Barbados , the Bahamas , Grenada , Papua New Guinea , the Solomon Islands , Tuvalu , Saint Lucia , Saint Vincent and the Grenadines , Belize , Antigua and Barbuda , and Saint Kitts and Nevis .
Elizabeth II ( Elizabeth Alexandra Mary ; born 21 April 1926 ) is the Queen of sixteen countries in the world : the United Kingdom , Canada , Australia , New Zealand , Jamaica , Barbados , the Bahamas , Grenada , Papua New Guinea , the Solomon Islands , Tuvalu , Saint Lucia , Saint Vincent and the Grenadines , Antigua and Barbuda , Belize , and Saint Kitts and Nevis .