According to the study, Queen Elizabeth II came in 17th place, with an estimated net worth of £464 million.
A Party Casino spokesman said: “The UK Royals are worth £68 billion ($88 billion) overall and there are 16 members.
“This means on average they are each worth £4.25 billion ($5.5 billion.)
“None of the UK’s royals makes it into the rich list for individuals however, despite their global notoriety. “
According to the study, Britain’s Royal Family was the fifth richest in the world, far behind some of the middle eastern dynasties.