How can we see the statistics of the whole wrold user? + bunos Questions.

[TanClan98]

How to know the numbers of people using bitcointalk.org? we have a statistics like in different users profiles. So where can I go to see the number of people using this(website:bitcointalk.org ) in ASIA the whole world rather?

plus why do some users tell or spoke that bitcoins the future for being rich? and seeing yourself rich by the help of bitcoin or bitcointalk.org?

plus I am still confuse bitcointalk.org is referring  to this website and bitcoin is the coin? please do reply to correct me.