[swGooF]

I would say the top languages are Python and R. Many enterprises use SAS and/or SPSS. Java is often used in production settings or when dealing with Hadoop. Other less popular but still useful languages are: Julia, Octave/Matlab, and Perl.

Somewhat related: Statistical Languages http://101.datascience.community/2014/07/07/statistical-prog...

Here is another list: http://101.datascience.community/2012/12/31/5-free-programmi...