South East Asian mobile users are spending more and more on gaming apps. The large increase in revenue was recorded by Newzoo, which conducted a study looking into mobile gaming revenue in the region. It revealed that Indonesia saw the highest revenue, with 331 million US dollars, with Thailand coming in second with 275 million US dollars. It also forecast that the region as a whole would see a 30% annual growth rate until at least 2019. In particular, Indonesia is expected to see a growth rate of 60% each year, with the Philippines and Vietnam forecast to also see growth of over 50%. A study also took place into the reason behind the recent success of gaming in the region, which found that a boom in mobile gamers aged between 10 and 35 was responsible.