Newzoo reports that the PC gaming sector is the third-largest category (and estimated in decline) across all platforms as of 2016[update], with the console sector second-largest, and mobile/smartphone gaming sector biggest. 2. 2 billion video gamers generate US$101. 1 billion in revenue, excluding hardware costs. "Digital game revenues will account for $94. 4 billion or 87% of the global market. Mobile is the most lucrative segment, with smartphone and tablet gaming growing 19% year on year to $46. 1 billion, claiming 42% of the market. In 2020, mobile gaming will represent just more than half of the total games market. [. . . ] China expected to generate $27. 5 billion, or one-quarter of all revenues in 2017. "