Drupal is a truer "framework" in that it is a highly extensible, very powerful blank slate. WordPress makes more assumptions, gives you more niceties out of the box, but those niceties can come at a cost of extensibility, or the ability of the website to handle more complex business cases.
35.0%
United States of America
31.8%
Unknown
23.7%
Russian Federation
2.8%
China