18% of internet users access solely through a mobile connection

"Mobile is increasingly the primary platform for internet access, according to today’s Global Consumer Survey (GCS) report from MEF, the global community for mobile content and commerce.
Based on research conducted among over 8,000 respondents in nine countries across five continents, the MEF GCS found that 72% access the mobile internet on a daily basis with 18% no longer using fixed line internet access whatsoever. In each individual market, the number of consumers accessing the mobile internet daily is higher than the number accessing fixed-line internet."

Source:  Research by the Mobile Entertainment Forum (MEF)'s Global Consumer Survey, reported in a press release, 12th October 2011

See an extract here

The markets surveyed were:  Brazil, Egypt, India, Indonesia, Qatar, Singapore, South Africa, UK & US