According to this year's Wealth-X and UBS Billionaire Census, 12 billionaires obtained their bachelor's degrees from the University of Mumbai, making it one of the top 10 schools in terms of number of billionaire undergraduate alumni.
"With 12 billionaire alumni, India's University of Mumbai has the most billionaire graduates of any university based outside the US," the report said.
The University of Mumbai was ranked 9th on the list which was topped by the University of Pennsylvania as the school had 25 billionaire undergraduate alumni.
Harvard University was ranked second on the list with 22 billionaire undergraduate alumni, followed by Yale University (20) in the third position.
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The University of Southern California with 16 billionaire undergraduate alumni and Princeton University with 14 make the top five.
Sixteen out of the top 20 billionaire schools are in the United States.
Besides, India's University of Mumbai, the London School of Economics and Political Science in the United Kingdom, Lomonosov Moscow State University and ETH Zurich in Switzerland are other schools outside the US that made it to the top 20 billionaire schools list.
Interestingly, higher education has not been a prerequisite to achieving billionaire status as 35 per cent of the 2,325 billionaires in the world have not obtained a tertiary-level degree.
Notable university dropouts include Microsoft co-founder Bill Gates and Facebook co-founder Mark Zuckerberg. Both walked out of Harvard during their undergraduate years to start their businesses.
Among those billionaires who hold a tertiary-level degree, 42 per cent graduated with a bachelor's degree, 26 per cent have a master's degree, 21 per cent finished their MBA, and 11 per cent attained a PhD, the report added.