David Is Most Powerful

David Beckham has been named Britain's most powerful man aged 40 or under.

The list includes racing driver Lewis Hamilton (15th), Ali G and Borat creator Sacha Baron Cohen (25th), and music producer and DJ Mark Ronson (18th).

The youngest person in the top 40 is Scottish tennis player Andy Murray, 20, in 39th place.

Arena magazine compiled the Power List by polling political journalists, politicians, film studio owners, music producers, musicians, trend consultants and financial experts.

Top Ten

1. David Beckham - Footballer

2. James Murdoch - CEO, British Sky Broadcasting

3. Viscount Rothermere - Chairman, Daily Mail and General Trust

4. George Osborne - Shadow Chancellor

5. Prince Harry

6. Roman Abramovich - Billionaire owner of Chelsea FC

7. Ed Balls - Secretary of State for Children, Schools and Families

8. Lucas Ossendrijver - Fashion designer

9. Andy Coulson - Director of communications, Conservative Party

10. Daniel Craig - Actor