How can i learn to code? What programming language should i learn first?Watch
Maybe R or Sql would be a good start?
It shows which skills are in demand and which are trending etc.
For example scroll down on this to see the graphs ...
As for how to learn there are loads of resources online - web sites, YouTube videos, learning sites - some are free and some cost money.
Also evening classes or if you're at school or uni you might be able to learn there for free as well.