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A recent YouGov survey that looked at pessimism levels among Americans and British people found that the younger you are, the more you tend to believe that human nature is self-serving and uncooperative.
Two demographic groups in Britain scored the highest for pessimism: young people between the age of 18-24 and Ukip voters.
Based on this, take our (highly unscientific) quiz to see if we can guess how old you are depending on how you see the world:
How did we get on? Let us know in the comments...
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