The line graph gives information about the percentage of different online social media used by American adults from 2012 to 2015.
Overall, it can be observed that Facebook dominated among other online platforms over time. It is worth mentioning that the use of all websites increased over 3 years.
In 2012, most adults were into using Facebook, with a figure of 67%, which increased to above 70% in 2013, and then rose gradually to 72% in 2015. In contrast, American adults were not keen on using Instagram in 2012, as only 13% of them used it, which increased by 15% in 2015. Moreover, Pinterest was used by 15% of adults in 2012, which rose notably to 31% in 2015.
However, Twitter was used by 16% of young people in America in 2012, which remained approximately stable until 2013, and followed by a steady increase to around 23% in 2014, remained unchanged after one year. Linkedin consisted of 20% of adult users in 2012, which after a gradual increase to around 23% in 2013, experienced a sharp increase to under 30% in 2014, and then dropped to 25% in 2015.