to the Internet at a fast pace, with the “Internet +” initiative implemented. Internet-access Devices Used by New Internet Users 100% 80.7% 80% 71.5% 60% 40% 39.2% 22.7% 20% 7.5% 14.0% 0% desktops laptops mobile phones 2015 2016 Source： Statistical Survey on Internet Development in China 2016.12 Figure 37 Internet-access Devices Used by New Internet Users The development of mobile Internet remains the principal factor that boosts the growth of Internet users in China. As of December 2016, Chinese newly-added netizens using mobile phones to access the Internet accounted for 80.7% of the total Chinese newly-added netizens, up 9.2 percentage points over the end of 2015, showing a sustained growth trend. In contrast, the proportion of those netizens using desktops fell 16.5 percentage points. Meanwhile, the age of newly-added netizens showed a polarized trend. The proportions of those under 19 and those above 40 respectively stood at 45.8% and 40.5%, indicating that the Internet is continuing to penetrate into these two age groups. (II) Size of Mobile Internet Users As of December 2016, the number of mobile Internet users in China reached 695 million, representing an increase of 75.5 million from the end of 2015. The mobile netizens accounted for 95.1% of the total netizen population, while this percentage was 90.1% in 2015. The proportion of mobile netizens further climbed on a high base. 40 The 39th Statistical Report on Internet Development in China