> Why would Ruby developers be getting more scare? Are they retiring earlier than Java developers?
Ruby developers have always been a tiny fraction of the number of Java developers, and that fraction has been steadily decreasing, while the Java developer pool keeps increasing (Android helped quite a bit growing that population).
http://www.indeed.com/jobtrends/ruby%2C+java.html
> Why would Ruby developers be getting more scare? Are they retiring earlier than Java developers?
Ruby developers have always been a tiny fraction of the number of Java developers, and that fraction has been steadily decreasing, while the Java developer pool keeps increasing (Android helped quite a bit growing that population).