how many people are online worldwide(have web access)?

Question

how many people have personal internet connections available to them 24 hours a day? and what pecentage are high speed users verses dial up verses satellite?

Answer 1

As of January 2007, approximately 1,094 million people worldwide use the Internet, according to Internet World Stats -- roughly a little over a billion.
You might drill deeper into their stats site (below) to answer your other questions.