Wikipedia:Articles for deletion/List of Countries, country subdivisions and cities by GDP
As academic research, this is interesting.  However, we have this stopper called . We can't allow editors to use Wikipedia as their research pad.  Now if this could be tied to secondary reporting of comparative research like this, we might have something.  After all, sometimes we hear that "California has the 7th largest economy in the world" in some political discussions
— User:Stevietheman, 12:37, 29 March 2017 (UTC)
Stance: delete
Cited policy: WP:OR (Wikipedia:No original research)