This chart of the Top 5 Non-Collectible Miniature Lines (hobby channel) reflects sales in Summer 2014.  The charts are based on interviews with retailers, distributors, and manufacturers.
 

Top 5 Non-Collectible Miniature Lines – Summer 2014
	Title	Publisher
1	Warhammer 40k	Games Workshop
2	Star Wars X-Wing	Fantasy Flight Games
3	Warmachine	Privateer Press
4	Star Trek Attack Wing	WizKids/NECA
5	Hordes	Privateer Press

 
These bestseller lists are from ICv2's Internal Correspondence #86.  For more information on the game market in Summer 2014, see "Another Strong Season for Game Sales."

For the bestselling Collectible Games in the hobby channel, mass channel, and over-all, click here.
For the bestselling Card/Dice Games in the hobby channel, click here.
For the bestselling Board Games in the hobby channel, click here.
For the bestselling hobby channel RPGs, click here.

For info on how to get your copy of the ICv2's Internal Correspondence #86, with the full market reports and size estimates, bestseller lists, and reviews, see "ICv2 Releases 'Internal Correspondence' #86."