52% of British kids aged 5-9 have a mobile phone

"Figures from MobileYouth, a research consultancy which tracks technology use by youngsters, found that 52 per cent of UK children aged five to nine have a mobile. Among ten to 14-year-olds, usage is running at almost 85 per cent."
Source: MobileYouth report, cited by the Daily Mail, 254th June 2009