The graph demonstrates users of Twitter by age sectors in the United States from November 2010 to May 2013.
The most noticeable feature is that people of the age between 18 and 29 are the most common users in Twitter. From December 2010 to August 2011 the graph of that group remained flat at 18%. However, then use by the age 18-29 spared and hit the peak in August 2012 at 32%. In contrast, the group of the age 65+ have least users in Twitter. It had been fluctuating all time since November 2010 till May 2013. But the difference between 2010 and 2013 not significant. In other words, the users in the beginning are for about 4 %, and in 2013 it is around 5%. Almost the same percentage of users have people of age 50-64 in November 2010. It remained flat for three months and then fluctuated for some time. In August 2011 it started to rose gradually.
Overall, it is clear that the percentages of users of almost all groups by different ages in Twitter is getting bigger through years.
