Elizabeth II is Queen of the United Kingdom and has been since 1952.
Elizabeth II ( Elizabeth Alexandra Mary ; born 21 April 1926 ) has been Queen of the United Kingdom , Canada , Australia , and New Zealand since 6 February 1952 . List of British monarchs by longevity . Queen Elizabeth II , the present British monarch ( born 21 April 1926 ; Queen since 6 February 1952 ) , is the longest lived British sovereign , at the age of .