Between 2005 and 2010, the number of Web users doubled, and was expected to surpass two billion in 2010. According to a 2001 study, there were a massive number, over 550 billion, of documents on the Web, mostly in the invisible Web, or Deep Web. A 2002 survey of 2,024 million Web pages determined that by far the most Web content was in English: 56.4%; next were pages in German (7.7%), French (5.6%), and Japanese (4.9%). On July 25, 2008, Google software engineers Jesse Alpert and Nissan Hajaj announced that Google Search had discovered one trillion unique URLs. As of May 2009, over 109.5 million websites operated.
.com – 94.5 million websites
.net – 94.5 million websites
.org – 94.5 million websites
.info – 94.5 million websites
others – 94.5 million websites
Total -129.2 million websites
Note: Doesn’t include country domains.
Source: ZookNIC Internet Intelligence