first four films grossed one of the highest grossing films per movie data website The Numbers an incredibly successful film franchise one of the highest grossing films $7 billion one of the highest grossing films $7.7B at the world wide box office $7.7 billion more than $1 billion worldwide more than $1 billion worldwide the-numbers over seven billion dollars more than $1 billion worldwide the-numbers $7 billion grossed upwards of $7.7bn/£4.6bn $7.7 billion worldwide Harry Potter more than $1 billion worldwide film franchise «Box Office History for Harry Potter Movies»