You can't figure that out because Site Statistics including how many people visit the site are classified and unless they wanted to share it with you then you can't see it (legally).
There are over five billion people who use the internet everyday.
10 people c mon myspace is so last year -.-
70% of people in the world use the telephone in a day
Many.... who ever wrote that its a rubbish answer
many people use it a day buckethead!