Social Machinery

Is important for companies planning their social media strategy to understand the demographics of social graph, especially in the case of social networking sites like Facebook that are changing their user composition and segment penetration extremely fast.

The last report from  Emarketer can give us some interesting new facts about the dramatic change of Facebook’s user groups in the last months.

The most relevant change presented by Facebook during the last 9 months is the broadening audience that is joining the site. Some highlights of this study were:

• The fastest-growing age group among women was in the 45 to 54 and 55 to 65 which were up 11.8% and 11%, respectively.
• The age group presenting the highest growth was age over 55 years.
• The user groups showing the fastest growth during August 2009 were males ages 13 to 17.
• The user group with the biggest number of user on Facebook was ages 18 to 25, followed by 26 to 34 year old
• 57% of all users are women, or about 45.4 million people, were women, compared with some 34.3 million who were men.