30,000 Active Companies - Employees 4.6 Million - Revenue $2 Trillion
As of 2014, there were over 30,000 active companies founded by living MIT alumni, employing 4.6 million people and generating annual world revenues of nearly $2 trillion.
The revenue of these 30,000 companies, is higher than the GDP of the 10th-largest economy in the world (the country is India).
The report was written by Professor Edward Roberts, the Martin Trust Center's founder and chair, Fiona Murray, Associate Dean for Innovation at the MIT Sloan School of Management, and doctoral student J. Daniel Kim and was published in 2015. It continues the work started in Entrepreneurial Impact: The Role of MIT which was first published in 2009 by the Kauffman Foundation. An updated version of the study was published in 2011 by the journal "Foundations and Trends in Entrepreneurship."
All three reports can be downloaded from: