The average Facebook user
knows 72.3% of their friends.

based on 4796 players naming 170,000+ friends
AgeMaleFemale Total
<18 63.97% 73.64% 68.79%
18-21 70.76% 75.75% 73.54%
21-23 70.66% 75.92% 73.58%
23-25 68.48% 74.81% 71.82%
25+ 68.24% 74.24% 71.54%
Totals69.0%74.9%72.3%
Above: the percentage of 'friends known' is broken down by age and gender.

Male FriendsFemale FriendsTotal
Male User 71.3% 67.1% 69.3%
Female User 74.6% 75.9% 75.3%
Above: the percentage of 'friends known' is graphed for gender-gender correlations.

 

Okay, so what should I do? Test yourself

  1. Get un-friendin'
  2. Restrict what (if any) of your personal information your friends can share with 3rd party apps.
  3. Create layered friend lists with different privacy settings to more accurately represent and control your relationships.