According to Forbes magazine, Russia homes the 30 of one of the worlds richest people
Top of the list is the owner of the Chelsea football club, Roman Abramovich, whose personal fortune is estimated to be close to $15bn (£8bn).
This is an unimaginable sum of money for most Russians, whose average salary is $250 a month.
Russian academics warn the gulf between the rich and the poor is now so great it could destabilise society.
And while Russia's billionaires get younger and richer, the country's overall population is declining at an ever faster rate.
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