Drupal is beyond wordpress and moving further head start in complicated functionality both backend and frontend. Drupal more scalable and complex to extend user rights with different levels of authorization such as bloggers ,contributor , views , editor , marketing , security , webmaster , developers , graphics and so on. For example drupal can go extra miles to customized 100 user rights with different levels of functionality and scrutinized more user levels according to their authorization to access keys. Drupal is best suited for developers and enterprise business at a higher budget. Drupal is expensive to develop than wordpress.
While WordPress is a hero saver in blogging your website fast and easy to deploy without any knowledge in programming skills. WordPress is good for small business at affordable prices. Plenty of templates ready to deploy and has a large organization who are active and participating. Most of the website are running in wordpress due to user friendly for everybody. WordPress means words are pressing on to the internet sharing resources of information great environment for writers , editors and contributor for the organization.