User blog comment:Miguelhdzb25/Map Game Proposal - A Broken World/@comment-29865703-20160712034326/@comment-29865703-20160712153858

That population is less than the population of Berlin today. And before you use the "war" excuse, it consists of MAJOR Polish/German cities, including Berlin, Leipzig, Dresden, and Szczecin. Using this information, we can estimate that the population of Prussia would AT LEAST be ten million people, due to population growth and the likes.