TV accounts for 65%of young people's total viewing, compared with the UK average of 81 percent, according to research by Thinkbox. The body said that 30% of 16- to 24-year-olds watch videos on tablets and smartphones -- double that of the average individual in the UK at 15%. The 'Truth about Youth' study compared young people viewing live TV, playback and video-on-demand services to online services including YouTube, DVDs and subscription video-on-demand services such as Netflix.