This proportion is now lower than in most other EU countries and the EU average (25%). A large difference exists between girls and boys, with only 9% of 15-year-old girls reporting doing physical activity each day, compared to 17% of 15-year-old boys. Based on self-reported data (which underestimate the true prevalence of obesity), one in seven adults (14%) were obese in 2013, up from one in eight (12%) in 2001.6 This rate nonetheless remains lower than in most other EU countries (the EU average was 16% in 2014). Also based on self-reported data, one in six (16%) 15-year-olds were overweight or obese in 2013-14, up from one in nine (11%) in 2001-02.