Taken from http://m.ign.com/articles/2014/07/10/guild-wars-2-sales-more-than-double-thanks-to-chinese-launch
GUILD WARS 2 SALES MORE THAN DOUBLE THANKS TO CHINESE LAUNCH
Worldwide sales could now stand at over 7 million.
BY: LUKE KARMALI
JULY 10, 2014
Guild Wars 2 has over 3.8 million Chinese players according to a census uploaded to Reddit, all accrued in just two months after launch.
This means ArenaNet's MMO has more than doubled its global playerbase since launching in the new territory. The last update we got on Western sales was back in August 2013, when the figure stood at 3.5 million. This figure is likely to have risen since then but, even if we assume it hasn't, this means global sales of Guild Wars 2 should now be well past the 7 million mark.