Always take these things with a pinch of salt , but the latest ‘hot skills’ survey is available here.
It’s US Based and some of the ‘findings’ make sense (e.g. Websphere and Oracle coming from a large installed base, Project management due to cull of recent years , and above all security). Some others are a bit strange (e.g. Perl is ‘stone-cold’ , yet I’m sure is in constant use behind the scenes). Others (like HTML skills) are also listed as stone cold – but anybody who has been trying to make a living as web designer knew this already.