3.9 Average monthly mobile spend was about 21, although this has been inflated by a small number of high spenders and in fact two-thirds of mobile users spend less than this each month. This is illustrated in figure 3f. 3.10 Average monthly mobile spend increased with social grade and household income - heavy spenders were typically high income groups, large households, and heavy fixed line spenders, but equally, homes without a fixed phone. Average monthly mobile spend decreased with increasing age, and was lowest amongst customers over the age of 55. 4.1 Figure 4a shows mobile ownership levels amongst various demographic groups of the population.
Mobile ownership is still largely dependent on income and age.
It was also significantly lower than average amongst lower income groups and consumers not working, about half of whom said they used a mobile. 4.3 Mobile customers were more likely than those without mobiles to have other technologies at home including pay TV, PC, and home Internet. Between January '99 and May '00 there was a slight shift in the profile mobile phone users. This is illustrated in figure 4c. Although still prevalent amongst the younger and middle age groups, and higher social classes, distribution had experienced a slight shift towards the lower social grades and to a lesser extent older consumers.