According to Facebook Company - Up to 83 million Facebook accounts could be fake or be duplicated.
Do you accept without knowing friends on Facebook?
The company said in a regulatory filing this week that 8.7% of its 955 million monthly active users can correspond to duplicate accounts or false. In May estimated that these accounts represent between 5 and 6 percent.
There are misclassified accounts - Facebook Inc. said that about 4.8 percent of its active user accounts could be duplicated at June 30, while misclassified accounts probably represented about 2.4% of the total.
These are the accounts of pets or people open businesses as if it were the outline of a human user.
Facebook Accounts classified as "undesirables" such as those used to send spam, represent about 1.5 percent of the total.