By the end of 2007, there were almost 74 million mobile connections serving a population of 60 million in the UK. This was an increase of 3.7 million connections since the end of 2006. The total number of mobile connections increased by 48 per cent in the five years from 2002.
Seven out of ten people with a mobile phone and a landline use their mobile to make calls, even when they are at home. One in ten people with a landline at home said that they never use it to make calls.
We are a nation of texters. In the UK, nearly 60 billion text messages were sent in 2007 - an increase of 36 per cent since 2006 and up by 234 per cent since 2002 when we sent 17 billion texts. The average mobile phone user sent 67 texts per month from each mobile compared to 53 texts per month in 2006.

Ofcom news release