Between 2012 and 2013, smartphone ownership increasedsharply (up 20 per cent), while tablet ownership increaseddramatically (up 125 per cent) in the UK, the research found.
The only other gadgets to show an increase in ownershipwere laptops (by 4 per cent) and e-readers (by 31 per cent).
All other household gadgets saw declines, from an 18 percent decline for portable game players, to a 7 per centdecline for digital cameras, largely because the tasks thesedevices are designed for can be completed using smartphones ortablets.
Tablets in particular are rapidly becoming ubiquitous.According to YouGov's "Tablet Tracker" research, differencesbetween demographics have reduced significantly.
In 2012, by far the most prominent age group was thoseaged 55 and over, representing 42 per cent of tablet owners.
This reflected the high price tag of tablets,particularly the iPad, more affordable to older consumers,Ipsos MORI research for Deloitte found.
Since then many new and less expensive Android-baseddevices have flooded the market, making tablets increasinglyavailable and affordable.
Consequently those 55 and over represent 31 per cent ofthe total, the study found.