Analysis of education of Top 31-40. Forbes World’s Billionaires List. The Richest in 2021. MINING & METALLURGY.

6 out of 10 Billionaires graduated from the university.
Of these,
4 have education in business and economics,
1 - metallurgy and mining.
One of them is a master. 1 Billionaires  is PhD.

Thus, 4 out of 6 billionaires of mining from Top 31-40 have an business and economics education and only 1 has an education in metallurgical & mining.

Somt Billionaires from United Kingdom, Egypt, China do not have higher education. This did not stop them from becoming billionaires. 

Ph.D. Natalia Petrovskaya

 References

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