I started working in the 10's and I have never met a single developer who actively works with Perl. Sometimes I wonder whether Perl left a huge code base behind, like COBOL did, but I suspect it didn't, mostly due to the fact that Perl is a dynamically typed language used mainly for web development and sysadmin scripting. Perl unlike Java, which had no serious alternative in its niche, unfortunately has an uncertain…
I personally learnt it at the age of 17 as the homemade switchboard for MSN Messenger bots were coded in it.
I'm 36 now and still not letting go. Something about the syntax pleases my brain. I am currently learning Erlang.