Forbes has released its annual list of the world's billionaires.
We sorted through the rankings to find the richest people in retail, from grocery store king Karl Abrecht to fashion designer Miuccia Prada.
The heirs to the Wal-Mart fortune continue to have the strongest presence on the billionaires list compared to any other family in the world.
Four members of the Walton family rank among the 14 wealthiest billionaires, with their riches amounting to $140 billion — which is more than Bill Gates' and Warren Buffett's wealth combined.
#21 Kjeld Kirk Kristiansen
Net Worth: $10.2 billion
Overall Forbes billionaires ranking: 119
Age: 66
Kjeld Kirk Kristiansen's grandfather founded LEGO, the second largest toy company by sales. He was CEO of LEGO for 25 years before stepping down in 2004. He remains deputy chairman of the company.
#20 Sergei Galitsky
Net Worth: $10.3 billion
Overall Forbes billionaires ranking: 117
Age: 46
Sergei Galitsky is the founder and CEO of Russia's largest supermarket chain, Magnit. Wal-Mart was his inspiration for founding Magnit, according to Forbes.
#19 Stefano Pessina
Net Worth: $10.4 billion
Overall Forbes billionaires ranking: 113
Age: 72
Stefano Pessina is the single largest shareholder of the drug store chain Walgreen Co. He is also the fourth richest man in Italy.
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