English is by far the language spoken most by Internet users.
Rapidly increasing is the China market:
China market: 123.0 million Internet surfers at end of last month, up 19.4% on year
Lisa Tsai, Taipei; Adam Hwang, DigiTimes.com [Thursday 20 July 2006]
China had 123.0 million users of Internet services, as of the end of June this year, growing by 19.4% on-year, according to the latest regular half-year survey, conducted by the government-sponsored China Internet Network Information Center (CNNIC) and published on July 19.
China, at the end of last month, also had 54.50 million Internet-connected computer hosts, 2.951 million IP (Internet Protocol) domain names, 788,400 websites and an international Internet connection bandwidth of 214.175Gbps (up 159.2% on-year) at the end of last month.
It's unclear exactly who is listed in the totals. Are, for example, speakers of Asian English included?