i stopped being lazy and looked it up. surprisingly close, i must say. maybe check d3 and d1 and go with the world with the highest overall pop, if the d2s are basically the same, that is probably your next best indicator of how strong d2 will be in the future.
http://www.whatifsports.com/forums/Posts.aspx?TopicID=479842&ThreadID=10543147
Human population for division 2 world 8
Season: 93 humans: 124
Season: 92 humans: 128
Season: 91 humans: 133
Season: 90 humans: 132
Season: 89 humans: 131
Human population for division 2 world 9
Season: 74 humans: 122
Season: 73 humans: 126
Season: 72 humans: 117
Season: 71 humans: 122
Season: 70 humans: 125
Human population for division 2 world 10
Season: 73 humans: 124
Season: 72 humans: 130
Season: 71 humans: 132
Season: 70 humans: 126
Season: 69 humans: 124