Newzoo is reporting that game revenues will grow to $70.4 billion worldwide this year, representing a 6 percent year-on-year increase. At the same time, the number of people who play games is expected to surpass 1.2 billion by the end of 2013.
Latin America and the Asia-Pacific region should see the highest growth at about 11 percent, while North America and Europe will show very modest growth. The market for smartphone and tablet games will grow 35 percent to $12.3 billion, easily outpacing any other segment while the PC grosses the largest share with 39 percent or $27.6 billion.

Asia-Pacific is expected to become the largest game market in the world at $25.1 billion $3.0 billion. The North American market will increase slightly to $22.8 billion followed by gains in the EMEA region with $19.5 billion and a growing Latin America that is still relatively small at $3.0 billion.
https://www.gamasutra.com/view/pressreleases/193010/Global_Games_Market_Grows_6_to_704bn_in_2013.php