There are currently 800,000 people with dementia in the UK and 670,000 family and friends acting as primary carers, according to the latest estimates from the Alzheimer's Society.
The number of sufferers is estimated to rise to a million by 2021, and 1.7 million by 2051.
More top news
Auditions for X Factor have been cancelled following the death Simon Cowell's mother.
Andy Murray faces the towering 6ft 10 ins Croat Ivo Karlovic as he looks to book his place in the Wimbledon quarter final.
The National Housing Federation (NHF) has warned that large parts of the countryside in England could become "pensioner pockets".