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Note: This article was amended on 16 January 2015 to correct the name of one of the regions.
(CNN)There are 2,325 billionaires in the world, according to the Wealth-X and UBS Billionaire Census 2014, and just over 12% of them are women.
With a combined wealth of $930 billion, the world’s richest females are making their mark on the global economy — and their fortunes are only expected to improve in 2015.
Of the 286 female billionaires identified, only 17% have self-made fortunes.
The U.S. is currently home to the highest number of self-made female billionaires — but future billionaires creating their own fortunes are predicted to come primarily from emerging markets.
These wealthy women have an average age of 61 years and over 65% of them inherited their wealth from multinational corporations, including retail store Walmart and cosmetics giant L’Oreal.
Below, CNN reveals the women at the pinnacle of the rich list in each of the world’s regions.
he wealthiest woman in North America is Christy Walton. As the widow of John Walton, son of Walmart founder Sam Walton, Christy Walton inherited a portion of the retail fortune following her husband’s death in 2005. With an estimated worth of $37.9 billion she is the world’s richest woman.
In recent years, Walton has stepped into the world of film production, bankrolling 2013 movie “Bless Me, Ultima,” based on the controversial novel by Rudolfo Anaya.
Globally, the U.S. is the country with the highest number of billionaire residents — both male and female. It boasts 609 of the world’s richest people.