Dementia in people aged less than 65 is described as early onset dementia, young onset dementia or working age dementia. It is estimated that 1 in 1000 people in Wales have early onset dementia. This figure is slightly higher in Carmarthenshire and Pembrokeshire, and slightly higher still Ceredigion.
The symptoms of dementia may be similar regardless of a person's age, but younger people often have different needs, and therefore require some different support. There is a wider range of diseases that cause early onset dementia and a younger person is much more likely to have a rarer form of dementia. However, people under 65 do not generally have the co-existing long-term medical conditions of older people – for example diseases of the heart and circulation. They are usually physically fitter and dementia may be the only serious condition that a younger person is living with (Alzheimers Society, 2015). The following chart shows the numbers of people with early onset dementia in Pembrokeshire, Ceredigion, Carmarthenshire and Wales.