Around 20 percent Smartphone Users Are Dependent by Angela Mohan on March 11, 2021 at 5:33 PM Around 20 per cent of South Korean smartphone users are at increased risk of dependence on the devices. The Ministry of Science and ICT said 23.3 per cent of smartphone users in the country were at risk last year, up 3.3 percentage points from the previous year, citing a survey carried out by the National Information Society Agency. The survey, which interviewed 15,000 people across the country on their smartphone usage, found that 19.3 per cent were at potential risk, while 4 percent were at high risk of being too reliant on the mobile devices.