Analysis of education of Top 41-50. Forbes World’s Billionaires List. The Richest in 2021. MINING & METALLURGY.

9 out of 10 Billionaires graduated from the university.

Of these,
4 have education in business and economics,
1 - law,
1 - metallurgy and mining.
The rest of the Billionaires are educated in medicine, physical education and agriculture.

One of them is a master. 

Only the US Billionaire did not attend university.

Ph.D. Natalia Petrovskaya

  References

1.     https://www.forbes.com
2.     https://www.wikipedia.org