Improvements suggestions from u/chintakoro
...
consider incorporating languages that AREN'T in their prime anymore, so to speak, as that's who is likely looking to migrate FROM (PHP, Ruby, Scala, etc. in addition to popular but mainstream languages like Python). And have your initial target languages be up and coming languages that are getting all the hype, as that is what folks are likely looking to migrate TO (Rust, Typescript, etc.).
Improvements suggestions from u/chintakoro
...
consider incorporating languages that AREN'T in their prime anymore, so to speak, as that's who is likely looking to migrate FROM (PHP, Ruby, Scala, etc. in addition to popular but mainstream languages like Python). And have your initial target languages be up and coming languages that are getting all the hype, as that is what folks are likely looking to migrate TO (Rust, Typescript, etc.).