Every two years the german computer magazine iX starts a questionaire on the usage of operating systems, databases and programming languages.

In the last six years, Perl has become the top used language, leading closely before Java.
In big companies (>1000) it's even stronger!

And that's Perl 5, I won't imagine what's going on with Perl 6! :-)

The article is in German, if you don't understand, the Fish may help.