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Key messages and statistics

Key messages

  • One in three people over 65 develop dementia.
  • Alzheimer's Society champions the rights of people living with dementia and the millions of people who care for them.
  • Alzheimer's Society needs to raise money to help people live well with dementia today and for research to find a cure for tomorrow.
  • Dementia is caused by diseases of the brain and can affect anyone.
  • Dementia is caused by disease of the brain; symptoms include loss of memory, confusion and problems with speech and understanding. It is progressive and eventually terminal.
  • Dementia can happen to anyone and there is currently no cure. But with the right support, people can live well with dementia.

Key statistics

  • One in three people over 65 develop dementia. 
  • There are 800,000 people with dementia in the UK; there are nowhere near enough services provided to meet their needs. 
  • By 2021 there will be over a million people with dementia in the UK. 
  • Dementia currently costs £23 billion per annum in the UK. 
  • Only 43% of people with dementia in the UK receive a formal diagnosis.
  • 1 in 14 people over 65 have dementia.
  • 1 in 6 people aged 80 and over have dementia.
  • There are over 17,000 people under 65 with dementia in the UK.
  • Providing effective support in the community to reduce the time a person with dementia spends on a hospital ward by one week could save at least £80 million a year.
  • Up to 150,000 people with dementia in the UK are being inappropriately prescribed antipsychotic drugs and these are contributing to 1,800 deaths a year.