The decision to step down comes as poll ratings for Mr Bush remain at the lowest level since his election in 2000.
Mr Rove, a long time political ally of the president, was the architect of Mr Bush’s controversial victory in 2000 and his re-election three years ago.
But in an interview with The Wall Street Journal, Mr Rove said he was resigning to return to his home state of Texas and spend more time with his family. FT.com