Some other telling factors.
The level of activity/projects in perl compared to python.
http://twimgs.com/ddj/images/article/2014/0114/Tiobe1.gif
http://www.drdobbs.com/jvm/the-rise-and-fall-of-languages-in...
Or the fact that perl isn't even relevant enough to be part of a comparison of major script-like languages.
https://stackoverflow.blog/wp-content/uploads/2017/09/growth...
But the most telling part is the lack of perl vs python flamewars. Remember those? Even the most ardent perl fan has conceded that python won.
In the immortal words of TS Eliot, "this is the way perl ends, not with a bang, but with a whimper".