The pie charts illustrate the proportion of people using five different social media platforms in 2011, 2012 and 2013.
Overall, it is clear that Facebook was the most dominant platform throughout the period, although its share declined significantly over time. In contrast, the figures for the other platforms showed a gradual increase.
In 2011, Facebook accounted for by far the largest proportion, at 59%. Twitter was the second most popular platform, constituting 21%, while LinkedIn made up 10%. At the lower end of the spectrum, both Google+ and Pinterest were relatively unpopular, each representing just 5%.
By 2012, the percentage of Facebook users had fallen to 49%, although it still remained the leading platform. Meanwhile, Twitter and LinkedIn experienced slight increases to 23% and 12% respectively. Google+ doubled its share to 10%, whereas Pinterest rose marginally to 6%.
In 2013, Facebook continued to decline, reaching 38%. In contrast, Twitter increased steadily to 25%, while LinkedIn also grew to 15%. Similarly, Google+ rose to 14%, and Pinterest climbed to 8%, indicating a general upward trend among the smaller platforms.
