The graph below shows the results of a survey among online adults on their use of various social media in the USA between 2012 and 2015.

The graph gives information about the proportions of adults online using various social networking sites in the United States from 2012 to 2015.

Overall

, it can be seen that the trend in the

proportion

of adults using the websites is upward, with a faster increase for Instagram and Pinterest than the others, including Facebook, the most popular website over the period.

While

there was a small rise in the

proportion

of online adults using Facebook, from 67% to 72% over the period, in the

last

three years the trend was flat.

By contrast

, the

proportion

of the usage of Instagram jumped more than twofold from 13% in 2012 to 28% in 2015.In similar pattern was seen

at

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on

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the Pinterest site where the

proportion

of adult users went up more

100

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than 100

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% from 15% to 31%.

Linkedln

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LinkedIn

,

by comparison

, saw a 25% increase in the

proportion

of online adult users, from 20% in 2012 to 25% in 2015 with a noticeable peak of about 28% in 2014.

Similarly

, as regards Twitter, there was a rise from 16% to 23% in 2012 and 2014 respectively, but in 2015 usage remained flat.