Social media spending in Western Europe is expected to reach €6.60 billion by 2019, up from €3.09 billion in 2014 — a five-year compound annual growth rate (CAGR) of 16.4%. This forecast estimates both the number of social media users and the social media spending for 17 Western Europe countries. It also provides an estimate of the number of users accessing social sites through mobile devices and the advertising spend on mobile devices targeting those users. The forecast provides historical data going back to 2008 and a five-year forecast.