World of Warcraft subscriber numbers remain at 10.2 million

Blizzard announced today in the investors call that the World of Warcraft population remains stable at 10.2 million subscribers. This is after the announced dip to 10.2 million in February 2012.

Activision-Blizzard

Blizzard Entertainment's World of Warcraft® Remains #1 Subscription-Based MMORPG with Approximately 10.2 Million Subscribers as of 3/31/12

source

In other WoW news from the call, Blizzard has renewed its license with NetEase for China distribution: "On March 20, 2012, Blizzard Entertainment announced that they renewed their license with NetEase for the distribution of World of Warcraft in mainland China. The new license will continue for an additional three years following the expiration of the current license agreement."

There is no indication of specific North American / European numbers, nor is there any specific indication of when Mists will release.