"Obviously I'm not going to be as big a legend as Sir Bobby
Charlton - he's won the World Cup," Rooney writes in the programme for England's Euro 2016 qualifier with Slovenia on Saturday.
"To eclipse that I'd have to win the World Cup. Rooney, who will be 32 when the World Cup takes place in Russia in 2018, is expected to win his 100th international cap at Wembley on Saturday.
The former Everton striker, who made his England debut aged 17 in 2003, is the country's fourth-top goalscorer with 43.
And he is confident he will surpass the record of 1966 World Cup winner Charlton, who scored 49 goals for his country.
He said: "The record has stood for so many years, there have been plenty of players who haven't been able to break it.