Predictions We Can Count On Via InTac – In 2010, there are 1.8 billion Internet users and a world population of 6.7 billion. In 2020, it is estimated that there will be five billion Internet users. The Internet Will be More Geographically Dispersed. The estimated world population in 2009 was 6,767,805,208. The estimated number of Internet users on December 2000 was 360,985,492. The latest data shows the current number of Internet users at 1,802,330,457. The penetration of the Internet into the population is 26.6 percent. The growth of Internet users from 2000 to 2009 was 399.3 percent.