While this analysis of language popularity on Github is
enlightening:
http://www.benfrederickson.com/ranking-programming-languages-by-github-users/
I found the older analysis of how programmers transition (or
adopt new languages) more interesting:
https://blog.sourced.tech/post/language_migrations/
Like how people move from Rust to Go. And from Go to Python:
https://blog.sourced.tech/post/language_migrations/sum_matrix_22lang_eig.svg
Also the growth of Java is larger than I would anticipate:
https://blog.sourced.tech/post/language_migrations/eigenvect_stack_22lang.png
Granted, Java has gotten quite a few convenience features over
the years.