How old is Prince William?
Prince William was born on June 21, 1982 at St Mary's Hospital in London.
He has today 38 years old.
Prince William is part of the British Royal Family: he is grandson of Queen Elizabeth II and Prince Philip, Duke of Edinburgh - and eldest son of Charles, Prince of Wales, and Lady Diana Spencer.
Order of succession
He occupies the second place in the line of succession to the British throne - behind his father, Prince Charles.
He married Kate Middleton (born Catherine Middleton) on April 29, 2011 at Westminster Abbey. Since that day, he has carried the title of Duke of Cambridge - along with the subsidiary titles of Earl of Strathearn and Baron Carrickfergus.
Together, they have 3 children: George of Cambridge, Charlotte of Cambridge and Louis of Cambridge.
They have today 7 years old, 5 years old and 2 years old - and occupy the 3rd, 4th and 5th place in the order of succession to the British throne.