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Why eldest children are born to be rock stars

The order in which siblings are born could play a significant role in determining whether they become the next Brad Pitt or Brian Cowen, a survey has found. The research released today reveals people-pleasing, ambitious firstborns are more than 3.5 times more likely than siblings to become rock stars -- while youngest children are more than twice as likely to become successful actors than their siblings.

Middle children could be pre-destined for a life in politics -- with many party leaders being middle children, according to the findings.

The research team studied 100 personalities encompassing the last 20 British Prime Ministers, British pop stars, sports personalities, BAFTA-winning actors and British self-made multi millionaires to discover links between birth order and occupation.

Three quarters of the study sample of rock stars were oldest or only children, including Mick Jagger, John Lennon, Paul McCartney and only children Van Morrison, Elton John and Eric Clapton. Middle children are more likely to become the Prime Minister, with 67pc more chance than their siblings, with common traits such as diplomacy, a competitive nature and a tendency to be peacemakers.