The fastest growing gaming audience is the mobile segment, about half of all gamers are into mobile gaming. The vast majority of gamers are found in Asia, it's estimated there are 1.42 billion Asian gaming customers:
Onto the good stuff, though: 48% of the people of that 3.1 billion are on PC. That’s 1.5 billion if you don’t have a calculator near. Comparatively, only 8% are considered to be primarily console users, but they have the highest spending per player. Asia leads the regional breakdowns of the available data, contributing 1.42 billion gaming customers, and 53% of the mobile marketplace. Europe is next, with 668 million, and 17%, respectively. Latin America has 383 million and 11%, while North America has 261 million and 4%, and the last percentage is held by MENA, at 7% of the worldwide mobile players.More details at PCGamesN.