How many people try for this (competition )?and opportunities

I'm talking about job opportunities after studying IT

After studying IT you can try for many job opportunities like: Software developer- here you need good skills to build programs, applications and websites. Systems Analyst- Here you have to examine existing IT systems and analyse how well the software performsBusiness Analyst- Here you have to identify opportunities for improvement to professes and business operations using IT. IT support analyst- Here you have to provide support within a particular organization or to external business, customer of a particular product. Apart from this you have high scopes in the fields provided below:Network engineerIT consultantTechnical sales representativeProject ManagerWeb designerQA analyst