The internet in 2011

A whole slew of useful stats, including:
"2.1 billion – Internet users worldwide.
922.2 million – Internet users in Asia.
476.2 million – Internet users in Europe.
271.1 million – Internet users in North America.
215.9 million – Internet users in Latin America / Caribbean.
118.6 million – Internet users in Africa.
68.6 million – Internet users in the Middle East.
21.3 million – Internet users in Oceania / Australia.
45% – Share of Internet users under the age of 25.
485 million – Number of Internet users in China, more than any other country in the world.
36.3% – Internet penetration in China.
591 million – Number of fixed (wired) broadband subscriptions worldwide."

Source:  Multiple, collected together by Pingdom, 17th January 2012

Lots more stats, all fully sourced, here