have no idea people join everyday sorry
millions an billions are on youtube but the exact number is 200,500,499,600.
More than 800 million registered users (active). Over a billion registered users (active + inactive).
may be million..
Currently, Punsr does not publish how many users are currently registered to their service. It is unable to estimate how many users have registered or have active accounts without this information.
millions
nWEHKwjer
There are more than 800 million active users and more than 50% of those active users log into Facebook everyday.
144 Million youtube account
More then 800 unique users visits Youtube every month.
1Billion
Myspace has about 25 million active users. This number may not be An accurate number, since there are certain Myspace account holder who have multiple accounts.
in December 2005 facebook reaches more than 5.5 million active users