London, Nov 5 : A new survey has revealed that Britons spend an average 481.14 pounds a year each on their friends.

However, one in four believes that their mates spend less on them than they do on them.

 The survey for mobile phone company O2 found that the chunk of money goes into birthday parties, as attending four birthday bashes a year costs an average 162.24 pounds.

Attending weddings comes next at 89.15 pounds, followed by Christmas presents at 55.79 pounds.

Other costs included birthday presents without a party at 54.24 pounds, social travel at 50.66 pounds, stag or hen nights at 35.45 pounds, christenings and births at 20.93 pounds, and cards at 12.68 pounds.

The survey also revealed that teenagers spend use up 1,140.47 pounds, more than twice the average, on their friendships.

The study also discovered that one in five people spends over two hours a week calling friends. (ANI)