Currently the game has sold a whopping 14,348,262 on Windows and Mac, with 9,381 of those sales happening in the last 24 hours. Mojang recently revealed that the newest platform, PlayStation 3, has sold over a million since going live in late 2013.
I got an email. We've reached 100 million registered users on the original Minecraft. 14.3% conversion rate to paid accounts. Wow. :D <3— Markus Persson (@notch) February 25, 2014