https://adtmag.com/articles/2019/04/11/developer-economics.aspx

A big new developer survey shows that Python has finally passed Java in the programming language popularity wars, propelled by its heavy use in machine learning and data science projects.

"Python has reached 8.2 million active developers and has taken the No. 2 spot, surpassing Java in terms of popularity," says the brand-new "Developer Economics State of the Developer Nation 16th Edition" report in which SlashData Ltd. polled more than 19,000 developers in 165 countries.