Another piecemealed infographic on the current winners and losers among social networks, from Mashable via Ignite.

Needless to say, social networking preferences vary according to gender, age, educational level, and geographical location.  Plaxo is the preferred network for elderly online users (over 65 years old), Facebook is more popular with women, whereas Digg and Reddit attract more men. Plurk outperforms LinkedIn as the preferred network for well-educated users who hold graduate degrees.



Interesting findings, but it's important to bear in mind that these are snapshots of social network usage at a particular moment, subject to change.  A good bet is to regularly check on social network profiles where they are regularly monitored, such as Quantcast's 'People' (which tracks the profile of site visitors) and 'Visitors' (which provides measures of site visits, but doesn't always match Google's Analytics 'Actual').  Here are a couple snapshots from Quantcast's latest evaluation of American Facebook usage:


Slide 10This charts provide further evidence that Facebook skews towards female youth, although 53% have children and earn a salary of over US$60K per year.  Not surprisingly, 50% of users are university students.  These trends are changing as the university market becomes saturated and as more moms come onboard.